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Special Function Relays

Special function relays are a type of electrical switch that can perform a specific function based on their design and construction. They are designed for specific applications that require unique features such as high voltage or current capacity, high-speed switching, or low power consumption.

Some examples of special function relays include time delay relays, latching relays, safety relays, and solid-state relays. Time delay relays are used to control the timing of circuits or processes and can be programmed to switch on or off after a certain amount of time. Latching relays, on the other hand, require a pulse of current to switch on and remain on even after the pulse is removed until a reset pulse is applied.

Safety relays are designed to interrupt power to a machine or process when a safety interlock is activated, helping to prevent accidents or injuries. Solid-state relays use electronic components such as transistors and diodes to switch high loads and are preferred in applications that require high speed, low noise, and long life.

Special Function Relays

Available Parts 51

Part# Info Relay Specifications Coil Electrical Specifications Contact Electrical Specifications Physical Characteristics Operational Characteristics Terminal & Contact Material Reliability & Standards Additional Information
Part RoHS Manufacturer Description Relay Type Relay Function Relay Action Switching Method Relay Form Coil Maximum DC Voltage Coil/Input Supply Type Coil Power Coil Maximum DC Current Coil Resistance Coil DC Operate Voltage Coil Maximum AC Current Coil DC Release Voltage Coil Nominal Voltage Coil Maximum AC Voltage Coil AC Operate Voltage Contact Maximum AC Voltage Contact Maximum AC Current Contact Maximum AC Rating (R Load) Contact Maximum DC Current Contact/Output Supply Type Contact Maximum DC Voltage Contact Maximum DC Rating (R Load) Contact Resistance Width Height Length/Diameter Dimensions Weight Mounting Type PCB Hole Count Terminal Count Terminal Length Minimum Operating Temperature Maximum Operating Temperature Activation Time Release Time Coil-Contacts Dielectric Strength Open Contacts Dielectric Strength Insulation Resistance Termination Type Terminal Finish Contact End Material Contact End Plating Industry Standard Compliance JESD-609 Code Sealing Type Lifespan Manufacturer Series Additional Features
RLY3-OSSD300 by Sick Ag

RLY3-OSSD300

Sick Ag

Sick Ag's RLY3-OSSD300 is a 3PST relay with 3 FORM A form factor, operating at 12ms. Ideal for safety applications, it has gold-plated end contacts and operates at temperatures ranging from -25 to 55°C. With a coil voltage of 24V and DIN-RAIL MOUNT feature, it offers reliable AC/DC switching control.

Safety Relay

3PST

Momentary

Random

3 Form A

30 V

DC

2.5 W

104 mA

230.8 Ω

24 V

230 V

6 A

6A@230VAC

6 A

AC/DC

230 V

6A@230VDC

18 in (457.2 mm)

3.366 in (85.5 mm)

4.906 in (124.6 mm)

4.906 x 0.709 x 3.366 in (124.6 x 18 x 85.5 mm)

150 g

DIN-Rail Mount

-25 °C (-13 °F)

55 °C (131 °F)

12 ms

Silver Alloy

Gold

CCC; CE; CUL; UL

DPC01DM48 by Carlo Gavazzi Holding Ag

DPC01DM48

Carlo Gavazzi Holding Ag

DPC01DM48 by Carlo Gavazzi Holding Ag is a DPDT relay with 2 FORM C, IP20 sealing, and MOMENTARY action. It has a max AC contact current of 8A@250VAC and operates in temperatures ranging from -20 to 60 °C. Ideal for monitoring applications, it is CE, CSA, EN, GL, and UL certified for reliability.

Monitoring Relay

DPDT

Momentary

Random

2 Form C

AC

480 V

250 V

8 A

8A@250VAC

5 A

AC/DC

24 V

5A@24VDC

45 in (1143 mm)

3.917 in (99.5 mm)

3.287 in (83.5 mm)

3.287 x 1.772 x 3.917 in (83.5 x 45 x 99.5 mm)

DIN-Rail Mount

-20 °C (-4 °F)

60 °C (140 °F)

Snap-on

Silver Tin Oxide

CE; CSA; EN; GL; UL

IP20

100000 Cycle(s)

K8AK-VW324VAC/DC by Omron

K8AK-VW324VAC/DC

Omron

MONITORING RELAY; Mounting Feature: DIN-RAIL MOUNT; Relay Function: SPDT; Reference Standard: CCC; CE; CSA; CUL; KC; UL; Additional Features: CONTAINS 2 SPDT OUTPUT RELAYS; Insulation Resistance: 20000000 ohm;

Monitoring Relay

SPDT

2 Form C

250 V

5 A

5A@250VAC

5 A

AC/DC

30 V

5A@30VDC

22.5 in (571.5 mm)

3.937 in (100 mm)

3.74 in (95 mm)

3.74 x 0.886 x 3.937 in (95 x 22.5 x 100 mm)

DIN-Rail Mount

12

-20 °C (-4 °F)

60 °C (140 °F)

20 MΩ

Screw

CCC; CE; CSA; CUL; KC; UL

IP20

50000 Cycle(s)

Contains 2 SPDT Output Relays