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Subjects>Engineering & Technology>Electrical Engineering

What is the difference between ELR and ELCB?

Anonymous

∙ 12y ago

Updated: 9/28/2023

elcb is the daughter of ELR ,mcb is their one onlyn son

Wiki User

∙ 12y ago

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Q: What is the difference between ELR and ELCB?

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Continue Learning about Electrical Engineering

Draw and explain the operation of fault voltage ELCB and residual current device?

ELCB means Earth Leakage Circuit Breaker -- it is used to trip the Circuit breaker if any leakage fault occured means

What capacity elcb is to be used for 50Amp welding machine?

For a 50 Amp welding machine, it is recommended to use an Earth Leakage Circuit Breaker (ELCB) with a capacity of at least 63 Amps to ensure it can handle the load safely. Additionally, the ELCB should have a sensitivity rating of 30 mA to provide adequate protection against earth faults. Always consult local electrical codes and a qualified electrician to ensure compliance and safety.

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Why you use ELR?

An ELR is terminology used in fire alarm systems. It stands for End of Line Resistor. It is used as a load on individual fire alarm circuits. This load draws a small current that is monitored by the alarm panel. What the panel is monitoring for is open circuits in break glass and bell circuits. If the current is non existent then it means that one of the fire circuits is opened, out of service and non operational. In the alarm panel a relay is de-energized and a trouble alarm is activated to bring attention to the problem. Once the problem is repaired the current again flows through the ELR and the trouble relay resets.

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