ER12-200N3PB

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Disconnect switches are devices that can disconnect a circuit and protect it from high current levels. They can also protect the circuit from any overvoltage that can damage the delicate circuit elements. The ER12-200N3PB is a disconnect switch component designed to provide optimal safety and performance.

The ER12-200N3PB is a 3-pole disconnect switch component capable of switching both AC and DC currents ranging from 32A to 63A. It is designed with safeguard protection and an embedded thermal overload circuit breaker and an exclusive adjustable mounting bracket. This allows users to adjust the switch for various device sizes and locations.

The ER12-200N3PB’s application is primarily found in domestic and light industrial settings. It is designed to be mounted on rigid metal and is IP30 (International Protection Rating) compliant. It is also rated at up to 10,000 operations, making it suitable for both on/off and cyclic operations.

The working principle of the ER12-200N3PB is based on a bi-metallic actuator. When the switch is operated, the bimetallic strip allows the arms to move toward the open or close position. The actuator arm may not move if the power supply voltage is too low or if high inrush current occurs. A spring is used to reset the switch to the off position once activated.

A thermal overload circuit breaker is incorporated into the design to protect the device from any excess current. This attempts to prevent the device from failing because of too much load being placed on it. This helps ensure a greater lifespan for the device and also helps protect it from short circuits or other extreme events.

When in operation, the ER12-200N3PB disconnect switch component maintains a contact resistance of 6mR or less. This lower contact resistance reduces the energy loss in the circuit and allows for efficient transfer of power. The switch also has a minimum impulse-withstand voltage rating of 4KV, ensuring a high level of safety when operating in harsh conditions.

In summary, the ER12-200N3PB is a disconnect switch component designed to provide safety and performance in a wide range of applications. Its robust design allows it to handle AC and DC power and even withstand harsh weather conditions. Its bi-metallic actuator allows for reliable switching and its low contact resistance and high impulse-withstand voltage rating provides efficient transfer of power and a high level of safety. All of these features make the ER12-200N3PB an ideal choice for domestic and light industrial settings.

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