Relay protects against leakage current Schneider RH21M

A residual current protection relay is an electronic device used to protect the electrical system from the risk of residual current. Leakage current occurs when part of the current flows through an unwanted path, usually due to an insulation problem in the system. This stray current can cause danger to people and electrical equipment.

Leak current protection relays work by monitoring the flow of electricity into and out of an electrical system. If the relay detects a significant difference between the input and output currents, it will activate the shutdown mechanisms to prevent leakage currents and protect the system from danger.

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Information about the RH21M leakage current protection relay product

Product line: VigiPacT TA30 leakage current protection relay.

Application: leakage current protection relay.

Earth leakage sensitivity can be adjusted.

Earth leakage sensitivity: 0.03A; 0.3A, maximum parking delay time: 0.06s.

Supply voltage: 440…525VAC 50/60Hz.

Voltage consumption: 4VA, rated impulse withstand voltage: 8kV.

Protection level: connector: IP40, IP30, IP20, IK07, operating temperature: -55…85 °C.

Reference technical documents: RHU_56165

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