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Question

An ON-OFF switch with overload protection is called a _______.

The correct answer is

Manual starter

Therefore, a manual starter directly fits the description of an ON-OFF switch with overload protection. Based on the definition and comparison, the device that functions as an ON-OFF switch with overload protection, operated directly, is the manual starter.

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Important Questions from Circuit Breakers

  1. L series MCBs can be used effectively in:

  2. Fusing factor of fuse is always

  3. What is one of the functions of circuit breakers in a substation?

  4. For below 400 KV systems, the circuit breaker is designed to withstand ______above the normal system voltage.
  5. If Ic is the critical current and Zo is the surge impedance, the basic impulse insulation level can be calculated as

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