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Autotransformers

An autotransformer is an electrical transformer that has a single winding and functions as both the primary and secondary winding. It is designed to step up or step down the voltage of an AC power source by tapping off a portion of the winding. Autotransformers are commonly used in various electrical applications to adjust voltage levels and improve power efficiency.

Autotransformers work by using a single winding with multiple taps that can be connected to different points on the winding. The voltage at the output is determined by the ratio of the number of turns of wire between the input and output connections. The portion of the winding between the input and output connections acts as both the primary and secondary winding, which makes the autotransformer smaller and more efficient than a traditional transformer.

Some common features of autotransformers include:

1. Voltage regulation: Autotransformers are used to regulate voltage levels, stepping up or stepping down the voltage of an AC power source.

2. Efficiency: Autotransformers are more efficient than traditional transformers because they have fewer windings, reducing energy loss.

3. Size and weight: Autotransformers are smaller and lighter than traditional transformers, making them ideal for applications with limited space.

4. Cost: Autotransformers are generally less expensive than traditional transformers due to their simpler design.

Autotransformers are used in various electrical applications, including power distribution systems, voltage regulation, and motor control. They are also commonly used in audio equipment to adjust the voltage level of AC power sources and improve the performance of amplifiers and other audio components.

Autotransformers

Available Parts 2

Part# Info Specs
Part RoHS Manufacturer Description Application Approvals (V) Height Maximum Input Voltage (V) Minimum Input Voltage (V) Nominal Input Voltage (V) Isolation Voltage Length Mounting Feature Nominal Operating Frequency Maximum Operating Temperature Output Current-1 Output Voltage-1 Dimensions Sub-Category Transformer Type Volt-Ampere Rating (VA) Width
N-500MG by Triad Magnetics

N-500MG

Triad Magnetics

N-500MG autotransformer by Triad Magnetics has a 1500V isolation voltage and 500VA VA rating. With an output current of 2.2A at 230V, it is ideal for power applications. This chassis mount transformer operates at a nominal frequency of 50/60Hz with max input voltage of 115V.

POWER

117.48 mm

115

1500 V

120.65 mm

CHASSIS MOUNT

50/60 HZ

2.2 A

230 V

L120.65XB0.0XH117.47 (mm)

AUTO TRANSFORMER

500 VA

98.43 mm

N-7MG by Triad Magnetics

N-7MG

Triad Magnetics

N-7MG autotransformer by Triad Magnetics has a 600 VA rating with an output current of 5.22 A at 115 V. It is designed for POWER applications, operates at 50/60 HZ frequency, and can handle a max input voltage of 230 V. This chassis mount transformer measures L127.0xW100.0xH117.47 mm, making it suitable for various power supply needs.

POWER

117.48 mm

230

127 mm

CHASSIS MOUNT

50/60 HZ

5.22 A

115 V

L127.0XB0.0XH117.47 (mm)

Other Transformers

AUTO TRANSFORMER

600 VA

100 mm