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Part# Info Electrical Specifications Physical Dimensions Fuse Characteristics Operational Environment Design and Compliance Mounting and Packing
Part RoHS Manufacturer Description Rated Current Rated Breaking Capacity Rated AC Voltage Rated DC Voltage Body Height Body Length/Diameter Body Width Dimensions Actuator Type Blow Characteristic Trip Time/Delay Circuit Function No. of Poles Circuit Protection Type Additional Features Minimum Operating Temperature Maximum Operating Temperature Environmental Characteristics Reference Standard Manufacturer Series JESD-609 Code Terminal Shape Terminal Finish Mounting Feature Packing Method
W33-T2N1Q-20 by TE Connectivity

W33-T2N1Q-20

TE Connectivity

TE Connectivity's W33-T2N1Q-20 is a 20A thermal circuit breaker with a rated AC voltage of 250V. It has a trip time of 3 seconds and a rated breaking capacity of 1000A. This circuit breaker is commonly used for panel mount applications requiring series trip protection.

20 A

1 kA

250 V

50 V

1.724 in (43.79 mm)

1.89 in (48.01 mm)

0.98 in (24.89 mm)

Rocker

3 s

Series Trip

2

Thermal Circuit Breaker

Quick Connect

Panel Mount

3120-F321-P7T1-W01D-20A by E-t-a Elektrotechnische Apparate

3120-F321-P7T1-W01D-20A

E-t-a Elektrotechnische Apparate

3120-F321-P7T1-W01D-20A by E-t-a Elektrotechnische Apparate is a 20A thermal circuit breaker with a rated AC voltage of 250V. Featuring quick connect terminals and a corrosion-resistant body, it is ideal for panel mounting applications. With a compact size of 54mm x 21mm x 33mm and an operating temperature range from -30°C to 60°C, this rocker actuator circuit breaker meets CCC, CSA, UL, and VDE standards.

20 A

20 A

250 V

50 V

1.299 in (33 mm)

2.126 in (54 mm)

0.827 in (21 mm)

2.126 x 0.827 x 1.299 in (54 x 21 x 33 mm)

Rocker

Manual On/Off

2

Thermal Circuit Breaker

-30 °C (-22 °F)

60 °C (140 °F)

Corrosion Resistant

CCC; CSA; UL; VDE

Quick Connect

Panel Mount

W68-X2Q12-20 by TE Connectivity

W68-X2Q12-20

TE Connectivity

TE Connectivity's W68-X2Q12-20 is a 20A circuit breaker with rated AC voltage of 277V. Featuring a trip time of 2.2s, it offers standard blow characteristic and magnetic protection. With dimensions of 50.8mm x 38.1mm x 41.66mm, this toggle actuator breaker is ideal for panel mount applications in environments requiring fungus and moisture resistance.

20 A

5 kA

277 V

1.64 in (41.66 mm)

2 in (50.8 mm)

1.5 in (38.1 mm)

2 x 1.5 x 1.64 in (50.8 x 38.1 x 41.66 mm)

Toggle

Standard

2.2 s

Series Trip

2

Magnetic Circuit Breaker

-40 °C (-40 °F)

85 °C (185 °F)

Fungus Resistant; Moisture Resistant

CSA; UL

Quick Connect

Panel Mount

W67-X2Q12-20 by TE Connectivity

W67-X2Q12-20

TE Connectivity

TE Connectivity's W67-X2Q12-20 Circuit Breaker, rated 277V/20A, features a trip time of 2.2s and dimensions of 50.8mm x 19.05mm x 41.66mm. With fungus and moisture resistance, it is ideal for panel mounting in applications requiring magnetic circuit protection with CSA and UL standards compliance.

20 A

5 kA

277 V

1.64 in (41.66 mm)

2 in (50.8 mm)

0.75 in (19.05 mm)

2 x 0.75 x 1.64 in (50.8 x 19.05 x 41.66 mm)

Toggle

Standard

2.2 s

Series Trip

1

Magnetic Circuit Breaker

-40 °C (-40 °F)

85 °C (185 °F)

Fungus Resistant; Moisture Resistant

CSA; UL

Quick Connect

Panel Mount

W69-X2Q12-20 by TE Connectivity

W69-X2Q12-20

TE Connectivity

TE Connectivity's W69-X2Q12-20 is a 20A circuit breaker with rated AC voltage of 277V and trip time of 2.2s. It features fungus and moisture resistance, quick connect terminals, and toggle actuator. Ideal for panel mounting in applications requiring magnetic circuit protection with standard blow characteristic.

20 A

5 kA

277 V

1.64 in (41.66 mm)

2.25 in (57.15 mm)

2 in (50.8 mm)

2.25 x 2 x 1.64 in (57.15 x 50.8 x 41.66 mm)

Toggle

Standard

2.2 s

Series Trip

3

Magnetic Circuit Breaker

-40 °C (-40 °F)

85 °C (185 °F)

Fungus Resistant; Moisture Resistant

CSA; UL

Quick Connect

Panel Mount

2D20UM by Altech

2D20UM

Altech

Altech's 2D20UM is a 20A thermal magnetic circuit breaker with 277V AC and 80V DC ratings. It features screw and snap-on terminals, DIN-rail mounting, and under voltage release function. Ideal for applications requiring reliable circuit protection in industrial environments with temperature range of -25 to 55°C.

20 A

10 kA

277 V

80 V

2.693 in (68.4 mm)

3.516 in (89.3 mm)

1.378 in (35 mm)

Handle

Under Voltage Release

2

Thermal Magnetic Circuit Breaker

-25 °C (-13 °F)

55 °C (131 °F)

IP20

CSA; UL; VDE

Screw And Snap On

DIN Rail Mount

Bulk

6-1393250-7 by TE Connectivity

6-1393250-7

TE Connectivity

TE Connectivity 6-1393250-7 is a 20A thermal circuit breaker with 250V AC and 32V DC ratings. Featuring a quick connect terminal shape, it has a trip time of 2.2s and rated breaking capacity of 1000A. Ideal for panel mount applications requiring series trip circuit protection.

20 A

1 kA

250 V

32 V

1.535 in (38.99 mm)

0.76 in (19.31 mm)

0.76 in (19.31 mm)

Push To Reset

2.2 s

Series Trip

1

Thermal Circuit Breaker

Quick Connect

Panel Mount

CMB-203-27J8N-B-A/20 by Carling Technologies

CMB-203-27J8N-B-A/20

Carling Technologies

Carling Technologies CMB-203-27J8N-B-A/20 is a 250V thermal circuit breaker with 20A rated current. Featuring push-to-reset actuator, it has a breaking capacity of 1000A and operates b/w -10°C to 60°C. Ideal for panel mounting applications requiring manual on/off circuit protection.

20 A

1 kA

250 V

32 V

1.78 in (45.2 mm)

1.154 in (29.3 mm)

0.551 in (14 mm)

Push To Reset

Manual On/Off

1

Thermal Circuit Breaker

Rated breaking capacity at 32 VDC: 2500 A

-10 °C (14 °F)

60 °C (140 °F)

Quick Connect

Panel Mount

CA1-B2-12-620-321-C by Carling Technologies

CA1-B2-12-620-321-C

Carling Technologies

Carling Technologies CA1-B2-12-620-321-C is a 20A magnetic circuit breaker with 480V AC and 150V DC ratings. Featuring a panel mount design, it has a compact body measuring 47x19.05x63.5mm (LxWxH). Ideal for UL-rated applications requiring series trip protection in temperatures ranging from -40°C to 85°C.

20 A

10 kA

480 V

150 V

2.5 in (63.5 mm)

1.85 in (47 mm)

0.75 in (19.05 mm)

Handle

Series Trip

1

Magnetic Circuit Breaker

-40 °C (-40 °F)

85 °C (185 °F)

UL

Stud

Panel Mount

CA3-B0-22-620-122-D by Carling Technologies

CA3-B0-22-620-122-D

Carling Technologies

Carling Technologies CA3-B0-22-620-122-D is a 20A magnetic circuit breaker with 480V AC and 150V DC ratings. Featuring a panel mount design, it has a compact body measuring 47x57.53x63.5mm, making it ideal for series trip applications in various industries.

20 A

10 kA

480 V

150 V

2.5 in (63.5 mm)

1.85 in (47 mm)

2.265 in (57.53 mm)

Handle

Series Trip

3

Magnetic Circuit Breaker

-40 °C (-40 °F)

85 °C (185 °F)

UL

Stud

Panel Mount

AA1-B0-21-620-1B1-C by Carling Technologies

AA1-B0-21-620-1B1-C

Carling Technologies

Carling Technologies AA1-B0-21-620-1B1-C is a 20A magnetic circuit breaker with 277V AC voltage rating. It features corrosion/moisture resistance, quick connect terminals, and a panel mount for series trip applications. Operating temperature ranges from -40°C to 85°C, meeting CSA and UL standards.

20 A

5 kA

277 V

1.64 in (41.66 mm)

2 in (50.8 mm)

0.755 in (19.18 mm)

Handle

Series Trip

1

Magnetic Circuit Breaker

Standards: MIL-PRF-55629, MIL-STD-202

-40 °C (-40 °F)

85 °C (185 °F)

Corrosion/Moisture Resistant

CSA; UL

Quick Connect

Panel Mount

AA1-B0-21-620-1D2-C by Carling Technologies

AA1-B0-21-620-1D2-C

Carling Technologies

Carling Technologies AA1-B0-21-620-1D2-C is a 20A magnetic circuit breaker with 277V AC voltage rating. It features corrosion/moisture resistance, quick connect terminals, and a handle actuator. Ideal for panel mounting in applications requiring series trip circuit protection up to 5000A breaking capacity.

20 A

5 kA

277 V

1.64 in (41.66 mm)

2 in (50.8 mm)

0.755 in (19.18 mm)

Handle

Series Trip

1

Magnetic Circuit Breaker

Standards: MIL-PRF-55629, MIL-STD-202

-40 °C (-40 °F)

85 °C (185 °F)

Corrosion/Moisture Resistant

CSA; UL

Quick Connect

Panel Mount

AA1-B0-24-620-5D1-C by Carling Technologies

AA1-B0-24-620-5D1-C

Carling Technologies

Carling Technologies AA1-B0-24-620-5D1-C is a 20A magnetic circuit breaker with 277V AC voltage rating. It features corrosion/moisture resistance and screw terminals, suitable for panel mounting in series trip applications. Compliant with CSA and UL standards, it operates b/w -40°C to 85°C temperatures with a breaking capacity of 5000A.

20 A

5 kA

277 V

1.64 in (41.66 mm)

2 in (50.8 mm)

0.755 in (19.18 mm)

Handle

Series Trip

1

Magnetic Circuit Breaker

Standards: MIL-PRF-55629, MIL-STD-202

-40 °C (-40 °F)

85 °C (185 °F)

Corrosion/Moisture Resistant

CSA; UL

Screw

Panel Mount

AA1-B0-34-620-3B1-C by Carling Technologies

AA1-B0-34-620-3B1-C

Carling Technologies

Carling Technologies AA1-B0-34-620-3B1-C is a 20A magnetic circuit breaker with 277V AC and 80V DC ratings. It features corrosion/moisture resistance, screw terminals, and a panel mount for series trip applications. Operating temperatures range from -40°C to 85°C, meeting CSA and UL standards.

20 A

5 kA

277 V

80 V

1.64 in (41.66 mm)

2 in (50.8 mm)

0.755 in (19.18 mm)

Handle

Series Trip

1

Magnetic Circuit Breaker

Standards: MIL-PRF-55629, MIL-STD-202

-40 °C (-40 °F)

85 °C (185 °F)

Corrosion/Moisture Resistant

CSA; UL

Screw

Panel Mount

AA1-B0-34-620-5D1-C by Carling Technologies

AA1-B0-34-620-5D1-C

Carling Technologies

Carling Technologies AA1-B0-34-620-5D1-C is a 20A magnetic circuit breaker with 277V AC and 80V DC ratings. It is corrosion/moisture resistant, suitable for panel mounting applications in environments with temperatures ranging from -40°C to 85°C. The breaker features a screw terminal shape and series trip circuit function, meeting CSA and UL standards.

20 A

5 kA

277 V

80 V

1.64 in (41.66 mm)

2 in (50.8 mm)

0.755 in (19.18 mm)

Handle

Series Trip

1

Magnetic Circuit Breaker

Standards: MIL-PRF-55629, MIL-STD-202

-40 °C (-40 °F)

85 °C (185 °F)

Corrosion/Moisture Resistant

CSA; UL

Screw

Panel Mount

AC1-B0-14-620-343-D by Carling Technologies

AC1-B0-14-620-343-D

Carling Technologies

Carling Technologies AC1-B0-14-620-343-D is a 20A magnetic circuit breaker with 3000A rated breaking capacity. It features corrosion/moisture resistance, screw terminals, and rocker actuator for panel mounting. Ideal for series trip applications with operating temperatures from -40°C to 85°C.

20 A

3 kA

80 V

1.64 in (41.66 mm)

2.156 in (54.76 mm)

0.745 in (18.92 mm)

Rocker

Series Trip

1

Magnetic Circuit Breaker

Standards: MIL-PRF-55629, MIL-STD-202

-40 °C (-40 °F)

85 °C (185 °F)

Corrosion/Moisture Resistant

CSA; UL; VDE

Screw

Panel Mount

AF2-B0-14-620-413-D by Carling Technologies

AF2-B0-14-620-413-D

Carling Technologies

Carling Technologies AF2-B0-14-620-413-D is a 20A magnetic circuit breaker with 3000A breaking capacity. It features corrosion/moisture resistance, screw terminals, and rocker actuator. Ideal for panel mounting in applications requiring series trip circuit protection at temperatures ranging from -40°C to 85°C.

20 A

3 kA

80 V

1.64 in (41.66 mm)

2.156 in (54.76 mm)

1.515 in (38.48 mm)

Rocker

Series Trip

2

Magnetic Circuit Breaker

Standards: MIL-PRF-55629, MIL-STD-202

-40 °C (-40 °F)

85 °C (185 °F)

Corrosion/Moisture Resistant

CSA; UL; VDE

Screw

Panel Mount

1620-2-20A by E-t-a Elektrotechnische Apparate

1620-2-20A

E-t-a Elektrotechnische Apparate

1620-2-20A by E-t-a Elektrotechnische Apparate is a 20 A thermal circuit breaker with a rated breaking capacity of 150 A. It features corrosion-resistant properties, IP50 protection, and quick connect terminals. Ideal for panel mounting applications, it operates in temperatures ranging from -40°C to 85°C, making it suitable for various circuit protection needs.

20 A

150 A

12 V

0.984 in (25 mm)

0.524 in (13.3 mm)

0.276 in (7 mm)

Modified Reset

Trip

1

Thermal Circuit Breaker

-40 °C (-40 °F)

85 °C (185 °F)

Corrosion Resistant; IP00; IP50

Quick Connect

Panel Mount

1620-3-20A by E-t-a Elektrotechnische Apparate

1620-3-20A

E-t-a Elektrotechnische Apparate

1620-3-20A by E-t-a Elektrotechnische Apparate is a 20A thermal circuit breaker with a rated breaking capacity of 150A. Featuring corrosion resistance and IP40 protection, it has a quick connect terminal shape and reset button actuator. Ideal for panel mounting in applications requiring trip circuit protection at temperatures ranging from -40°C to 85°C.

20 A

150 A

12 V

0.984 in (25 mm)

0.524 in (13.3 mm)

0.276 in (7 mm)

Reset Button

Trip

1

Thermal Circuit Breaker

-40 °C (-40 °F)

85 °C (185 °F)

Corrosion Resistant; IP00; IP40

Quick Connect

Panel Mount

CA2-B0-21-620-622-DG by Carling Technologies

CA2-B0-21-620-622-DG

Carling Technologies

CA2-B0-21-620-622-DG by Carling Technologies is a 20A magnetic circuit breaker with a rated AC voltage of 120V. It has a corrosion/moisture resistant body and can operate in temperatures ranging from -40 to 85 °C. This panel mount breaker is commonly used for series trip circuit protection in various applications.

20 A

10 kA

120 V

1.85 in (47 mm)

2.5 in (63.5 mm)

1.515 in (38.48 mm)

Handle

Series Trip

2

Magnetic Circuit Breaker

-40 °C (-40 °F)

85 °C (185 °F)

Corrosion/Moisture Resistant

CSA; UL

Stud

Panel Mount

CX2-B0-14-620-22A-15G by Carling Technologies

CX2-B0-14-620-22A-15G

Carling Technologies

Carling Technologies CX2-B0-14-620-22A-15G is a 20A magnetic circuit breaker with 10000A rated breaking capacity. It features corrosion/moisture resistance, screw terminals, and UL certification. Ideal for panel mounting in applications requiring series trip circuit protection up to 410V DC at temperatures ranging from -40°C to 85°C.

20 A

10 kA

410 V

2.264 in (57.51 mm)

3.672 in (93.26 mm)

1.515 in (38.48 mm)

Handle

Series Trip

2

Magnetic Circuit Breaker

-40 °C (-40 °F)

85 °C (185 °F)

Corrosion/Moisture Resistant

UL

Screw

Panel Mount

MS2-M-24-620-2-1CA-A-0CA by Carling Technologies

MS2-M-24-620-2-1CA-A-0CA

Carling Technologies

Carling Technologies MS2-M-24-620-2-1CA-A-0CA is a 20A circuit breaker with IP68 rating, suitable for applications requiring moisture resistance. With a rated AC voltage of 240V and magnetic protection, it operates in temperatures from -40°C to 85°C. Featuring sealed toggle actuator and panel mount, it's ideal for series trip circuits needing reliable performance.

20 A

2 kA

240 V

2.158 in (54.81 mm)

1.375 in (34.93 mm)

1.3 in (33.02 mm)

Sealed Toggle

Series Trip

2

Magnetic Circuit Breaker

-40 °C (-40 °F)

85 °C (185 °F)

Moisture Resistant; IP68;

Screw

Panel Mount

3120-N311-P7T1-W01D-20A by E-t-a Elektrotechnische Apparate

3120-N311-P7T1-W01D-20A

E-t-a Elektrotechnische Apparate

3120-N311-P7T1-W01D-20A by E-t-a Elektrotechnische Apparate is a 20 A thermal circuit breaker with a rated AC voltage of 240 V. It features corrosion-resistant properties, IP40 protection, and quick connect terminals. Ideal for panel mounting applications, it has a compact body size of 56.4mm x 25mm x 33mm and operates within -30°C to 60°C temperature range.

20 A

5 kA

240 V

50 V

1.299 in (33 mm)

2.22 in (56.4 mm)

0.984 in (25 mm)

Rocker

Trip Free

1

Thermal Circuit Breaker

Rated breaking capacity at 50 VDC: 1000 A

-30 °C (-22 °F)

60 °C (140 °F)

Corrosion Resistant; IP00; IP40

CCC; CSA; KC; UL; VDE

Quick Connect

Panel Mount

5SJ4320-7HG41 by Siemens

5SJ4320-7HG41

Siemens

Siemens 5SJ4320-7HG41 is a 20A thermal circuit breaker with 14000A breaking capacity. It operates at rated AC voltage of 400V and DC voltage of 125V, suitable for DIN-rail mounting in various applications requiring reliable circuit protection.

20 A

14 kA

400 V

125 V

2.992 in (76 mm)

3.543 in (90 mm)

2.126 in (54 mm)

3.543 x 2.126 x 2.992 in (90 x 54 x 76 mm)

Handle

Trip

3

Thermal Circuit Breaker

IP20; IP40

Screw And Snap On

DIN Rail Mount

3VA5120-6ED21-0AA0 by Siemens

3VA5120-6ED21-0AA0

Siemens

Siemens 3VA5120-6ED21-0AA0 is a 20A circuit breaker with rated AC voltage of 600V. With IP40 protection, it has dimensions of 139.7mm x 50.8mm x 76.2mm and operates b/w -25°C to 70°C. Ideal for panel mounting, it offers thermal circuit protection with a breaking capacity of up to 65000A.

20 A

65 kA

600 V

250 V

3 in (76.2 mm)

5.5 in (139.7 mm)

2 in (50.8 mm)

5.5 x 2 x 3 in (139.7 x 50.8 x 76.2 mm)

Toggle

Trip

2

Thermal Circuit Breaker

-25 °C (-13 °F)

70 °C (158 °F)

IP40

Screw

Panel Mount

3RV2821-4BD10 by Siemens

3RV2821-4BD10

Siemens

Siemens 3RV2821-4BD10 is a 20A circuit breaker with 690V AC voltage rating. It features thermal magnetic protection, DIN-rail mounting, and rotary handle actuator. Ideal for industrial applications requiring reliable circuit protection in environments with temperatures ranging from -20°C to 60°C.

20 A

2 kA

690 V

3.819 in (97 mm)

5.669 in (144 mm)

1.772 in (45 mm)

5.669 x 1.772 x 3.819 in (144 x 45 x 97 mm)

Rotary Handle

Trip

3

Thermal Magnetic Circuit Breaker

-20 °C (-4 °F)

60 °C (140 °F)

IP00; IP20

Screw And Snap On

DIN Rail Mount

3RV2721-4BD10 by Siemens

3RV2721-4BD10

Siemens

Siemens 3RV2721-4BD10 is a 20A circuit breaker with rated AC voltage of 690V. Featuring thermal magnetic protection, it has a breaking capacity of 2000A and operates b/w -20°C to 60°C. Ideal for DIN-rail mounting, its rotary handle actuator and trip function make it suitable for various industrial applications.

20 A

2 kA

690 V

3.819 in (97 mm)

5.669 in (144 mm)

1.772 in (45 mm)

5.669 x 1.772 x 3.819 in (144 x 45 x 97 mm)

Rotary Handle

Trip

3

Thermal Magnetic Circuit Breaker

-20 °C (-4 °F)

60 °C (140 °F)

IP00; IP20

Screw And Snap On

DIN Rail Mount

BB3-B0-26-620-121-D by Carling Technologies

BB3-B0-26-620-121-D

Carling Technologies

Carling Technologies BB3-B0-26-620-121-D is a 20A magnetic circuit breaker with 277V AC voltage rating. Featuring quick connect terminals, toggle handle actuator, and corrosion-resistant body, it's ideal for panel mounting in applications requiring series trip circuit protection.

20 A

1.5 kA

277 V

1.73 in (43.94 mm)

2 in (50.8 mm)

2.265 in (57.53 mm)

Toggle Handle

Series Trip

3

Magnetic Circuit Breaker

-40 °C (-40 °F)

85 °C (185 °F)

Corrosion/Moisture Resistant

CSA; UL; VDE

Quick Connect

Panel Mount

W92-X112-20 by TE Connectivity

W92-X112-20

TE Connectivity

TE Connectivity's W92-X112-20 is a 20A circuit breaker with 277V AC voltage rating and 2.2s trip delay. Featuring a magnetic protection type, it has a rated breaking capacity of 5000A. Ideal for panel mounting applications in series trip circuits, it operates b/w -40°C to 85°C temperature range.

20 A

5 kA

277 V

1.845 in (46.86 mm)

2.5 in (63.5 mm)

1.5 in (38.1 mm)

Toggle

2.2 s

Series Trip

2

Magnetic Circuit Breaker

-40 °C (-40 °F)

85 °C (185 °F)

Stud

Panel Mount

W91-X112-20 by TE Connectivity

W91-X112-20

TE Connectivity

TE Connectivity's W91-X112-20 is a 20A circuit breaker with a rated AC voltage of 277V. It has a trip time of 2.2s and can operate in temperatures ranging from -40°C to 85°C. This magnetic circuit breaker, with a breaking capacity of 5000A, is ideal for panel mount applications requiring series trip protection.

20 A

5 kA

277 V

1.845 in (46.86 mm)

2.5 in (63.5 mm)

0.75 in (19.05 mm)

Toggle

2.2 s

Series Trip

1

Magnetic Circuit Breaker

-40 °C (-40 °F)

85 °C (185 °F)

Stud

Panel Mount

3RV2021-4BA10 by Siemens

3RV2021-4BA10

Siemens

Siemens 3RV2021-4BA10 is a 20A circuit breaker with rated AC voltage of 690V. It offers thermal magnetic protection with a breaking capacity of 2000A. Moisture resistant and IP20 rated, it is ideal for industrial applications requiring reliable circuit protection on DIN rails.

20 A

2 kA

690 V

3.815 in (96.9 mm)

3.819 in (97 mm)

1.772 in (45 mm)

3.819 x 1.772 x 3.815 in (97 x 45 x 96.9 mm)

3

Thermal Magnetic Circuit Breaker

-20 °C (-4 °F)

60 °C (140 °F)

Moisture Resistant; IP20

CCC; CSA; EAC; KTL; UL

3RV2021-4BA10

Screw And Snap On

DIN Rail Mount

2907640 by Phoenix Contact

2907640

Phoenix Contact

Phoenix Contact 2907640 is a 20A thermal magnetic circuit breaker with 277V AC and 60V DC ratings. DIN rail mountable, it has a rated breaking capacity of 10kA. Ideal for industrial applications requiring reliable circuit protection in harsh environments.

20 A

10 kA

277 V

60 V

2.665 in (67.7 mm)

4.567 in (116 mm)

0.693 in (17.6 mm)

1

Thermal Magnetic Circuit Breaker

-35 °C (-31 °F)

70 °C (158 °F)

CUL; IEC-60947-2; UL

Snap On

DIN Rail Mount

Bulk

5SY4120-7 by Siemens

5SY4120-7

Siemens

Siemens 5SY4120-7 is a circuit breaker with rated AC voltage of 400V and rated current of 20A. It has a compact body size of 89.8mm x 17.6mm x 76.4mm, making it suitable for DIN-rail mounting in various applications requiring thermal circuit protection.

20 A

5 kA

400 V

3.008 in (76.4 mm)

3.535 in (89.8 mm)

0.693 in (17.6 mm)

3.535 x 0.693 x 3.008 in (89.8 x 17.6 x 76.4 mm)

Trip

1

Thermal Circuit Breaker

-25 °C (-13 °F)

55 °C (131 °F)

IP20; Sealed

CCC; CE; IMQ; RCM; UL; VDE

Snap On

DIN Rail Mount

3RV2021-4BA15 by Siemens

3RV2021-4BA15

Siemens

The Siemens 3RV2021-4BA15 is a 20A circuit breaker with rated AC voltage of 690V. Featuring thermal magnetic protection, it has a breaking capacity of 2000A and operates in temperatures ranging from -20°C to 60°C. Ideal for DIN-rail mounting, its compact dimensions of 97mm x 45mm x 96.9mm make it suitable for various industrial applications.

20 A

2 kA

690 V

3.815 in (96.9 mm)

3.819 in (97 mm)

1.772 in (45 mm)

3.819 x 1.772 x 3.815 in (97 x 45 x 96.9 mm)

Handle

Instantaneous

Trip

3

Thermal Magnetic Circuit Breaker

Interrupting current max at 450 VDC: 10000 A

-20 °C (-4 °F)

60 °C (140 °F)

IP20

ATEX; CCC; CE; CSA; EAC; IECEX; KC; UL; VDE

Snap On

DIN Rail Mount

2-5700-IG1-P10-DD-20A by E-t-a Elektrotechnische Apparate

2-5700-IG1-P10-DD-20A

E-t-a Elektrotechnische Apparate

2-5700-IG1-P10-DD-20A by E-t-a Elektrotechnische Apparate is a 20A thermal circuit breaker with a rated AC voltage of 250V. It features corrosion/moisture resistance, IP40 protection, and quick connect terminals. Ideal for panel mounting applications, it has a trip-free circuit function and operates b/w -20°C to 60°C.

20 A

2 kA

250 V

50 V

1.831 in (46.5 mm)

1.142 in (29 mm)

0.571 in (14.5 mm)

Push To Reset

Trip Free

1

Thermal Circuit Breaker

Rated breaking capacity at 50 VDC: 2500 A

-20 °C (-4 °F)

60 °C (140 °F)

Corrosion/Moisture Resistant; IP00; IP40

CQC; CSA; UL; VDE

Quick Connect

Panel Mount

483-G411-K1M1-A1S0ZN--20A by E-t-a Elektrotechnische Apparate

483-G411-K1M1-A1S0ZN--20A

E-t-a Elektrotechnische Apparate

The E-t-a Elektrotechnische Apparate 483-G411-K1M1-A1S0ZN--20A is a 20A thermal circuit breaker with a rated AC voltage of 115V. Featuring an IP40 environmental rating, it has a compact body size of 19.5mm x 14.2mm x 31mm, suitable for panel mounting applications in various electronic circuits. With a high breaking capacity of 2500A and operating temperatures ranging from -55°C to 125°C, this push-pull actuator type breaker ensures reliable circuit protection in demanding environments.

20 A

2.5 kA

115 V

28 V

1.22 in (31 mm)

0.768 in (19.5 mm)

0.559 in (14.2 mm)

Push-Pull

Tease-Free And Trip-Free

1

Thermal Circuit Breaker

Rated breaking capacity at 28 VDC: 6000 A

-55 °C (-67 °F)

125 °C (257 °F)

IP40; IP00

Screw

Panel Mount

CA1-B2-12-620-321-MJ by Carling Technologies

CA1-B2-12-620-321-MJ

Carling Technologies

Carling Technologies CA1-B2-12-620-321-MJ is a 20A magnetic circuit breaker with 10000A breaking capacity. It has a corrosion-resistant body measuring 63.5mm x 19.18in x 47mm, suitable for panel mounting in applications requiring moisture protection and series trip circuit function.

20 A

10 kA

80 V

1.85 in (47 mm)

2.5 in (63.5 mm)

0.755 in (19.18 mm)

Handle

Series Trip

1

Magnetic Circuit Breaker

-40 °C (-40 °F)

85 °C (185 °F)

Corrosion/Moisture Resistant

CSA; TUV; UL

Stud

Panel Mount

1658-G21-02-P10-20A by E-t-a Elektrotechnische Apparate

1658-G21-02-P10-20A

E-t-a Elektrotechnische Apparate

1658-G21-02-P10-20A by E-t-a Elektrotechnische Apparate is a 240V thermal circuit breaker with a rated current of 20A. Featuring a manual reset actuator and trip-free circuit function, it has a rated breaking capacity of 200A. Ideal for inline mounting applications, it meets CSA, CUL, UL, and VDE standards.

20 A

200 A

240 V

28 V

1.563 in (39.7 mm)

1.26 in (32 mm)

0.551 in (14 mm)

Manual Reset

Trip Free

1

Thermal Circuit Breaker

-20 °C (-4 °F)

60 °C (140 °F)

CSA; CUL; UL; VDE

Tab/Blade

Inline/Holder

J7MC-3P-20 by Omron

J7MC-3P-20

Omron

THERMAL MAGNETIC CIRCUIT BREAKER; Mounting Feature: DIN RAIL; Rated AC Voltage: 440 V; Rated Current: 20 A; Terminal Shape: SCREW; Circuit Function: TRIP;

20 A

10 kA

440 V

2.941 in (74.7 mm)

5.118 in (130 mm)

1.772 in (45 mm)

Rocker

Trip

3

Thermal Magnetic Circuit Breaker

-20 °C (-4 °F)

60 °C (140 °F)

IP20

CCC; CE; CUL; IEC; PSE; TUV; UL

Screw

DIN Rail Mount

J7MC-3R-20 by Omron

J7MC-3R-20

Omron

THERMAL MAGNETIC CIRCUIT BREAKER; Mounting Feature: DIN RAIL; Rated AC Voltage: 440 V; Rated Current: 20 A; Terminal Shape: SCREW; Body Height: 94.7 mm;

20 A

105 kA

440 V

3.728 in (94.7 mm)

5.118 in (130 mm)

1.772 in (45 mm)

Rotary Knob

Manual On/Off

3

Thermal Magnetic Circuit Breaker

-20 °C (-4 °F)

60 °C (140 °F)

IP20

CCC; CE; CUL; IEC; PSE; TUV; UL

Screw

DIN Rail Mount

GFL2D200302 by Altech

GFL2D200302

Altech

Altech GFL2D200302 is a 20A magnetic circuit breaker with 240V AC voltage rating. Featuring a toggle actuator and DIN rail mounting, it has a rated breaking capacity of 10kA. Ideal for circuit protection in industrial applications meeting CUL and UL standards.

20 A

10 kA

240 V

2.362 in (60 mm)

4.134 in (105 mm)

1.378 in (35 mm)

Toggle

Trip

1

Magnetic Circuit Breaker

CUL; UL

Snap On

DIN Rail Mount

3120-N321-P7T1-W19DG4-20A by E-t-a Elektrotechnische Apparate

3120-N321-P7T1-W19DG4-20A

E-t-a Elektrotechnische Apparate

3120-N321-P7T1-W19DG4-20A by E-t-a Elektrotechnische Apparate is a 20 A thermal circuit breaker with a rated AC voltage of 240 V. It features corrosion/moisture resistance, IP00/IP40 protection, and quick connect terminals. Ideal for panel mounting applications, it has a manual on/off circuit function and a max operating temperature of 60°C.

20 A

5 kA

240 V

50 V

Rocker

Manual On/Off

2

Thermal Circuit Breaker

Rated breaking capacity at 50 VDC: 1000 A

-30 °C (-22 °F)

60 °C (140 °F)

Corrosion/Moisture Resistant; IP00; IP40

CCC; CE; CSA; CQC; KTL; UL; VDE

Quick Connect

Panel Mount

NRBM3100-20AAA by Idec

NRBM3100-20AAA

Idec

Idec's NRBM3100-20AAA is a 250V, 20A magnetic circuit breaker with a rated breaking capacity of 1000A. Featuring a lever actuator and panel mount, it is ideal for series trip applications in various industries. Compliant with CCC, CE, CUL, PSE, UL, VDE standards and operates b/w -40°C to 85°C.

20 A

1 kA

250 V

1.87 in (47.5 mm)

2.48 in (63 mm)

2.256 in (57.3 mm)

Lever

Series Trip

3

Magnetic Circuit Breaker

-40 °C (-40 °F)

85 °C (185 °F)

CCC; CE; CUL; PSE; UL; VDE

Stud

Panel Mount

3120-N324-P7T1-W19DG3-20A by E-t-a Elektrotechnische Apparate

3120-N324-P7T1-W19DG3-20A

E-t-a Elektrotechnische Apparate

3120-N324-P7T1-W19DG3-20A by E-t-a Elektrotechnische Apparate is a 20 A thermal circuit breaker with a rated AC voltage of 115 V. It features corrosion-resistant and IP40 environmental characteristics, suitable for panel mounting applications. With a rated breaking capacity of 5000 A, it operates within temperatures ranging from -30°C to 60°C.

20 A

5 kA

115 V

Rocker

Manual On/Off

2

Thermal Circuit Breaker

Rated breaking capacity at 50 VDC: 1000 A

-30 °C (-22 °F)

60 °C (140 °F)

Corrosion Resistant; IP00; IP40

CCC; CE; CSA; CQC; KTL; UKCA; UL; VDE

Quick Connect

Panel Mount