In an installation, leakage current of smaller magnitudes causes

16) Miniature circuit breaker (MCB) are used in domestic and commercial installations for control and protection. What is the range of current rating of single pole MCBs commercially available ?

17) Miniature circuit breaker (MCB) are used in domestic and commercial installations for control and protection. The current rating of double pole and triple pole MCB is

18) Current rating of MCB selected for an air conditioner of 1 ton is

19) M.C.Bs. are normally rated _____ ambient temperature.