มอก. 3247 เล่ม 5-2564

Scope (English)

This standard covers bolt circuit breakers with a rated voltage of 450 V for vehicles. Indicates circuit breaker model, nominal current, test method, performance and dimensional requirements aim for using with the industrial standard for circuit breaker part 1 and 2. This standard applies with a circuit breaker with rated voltage as 450 V d.c., current less than 30 A, and breaking capacity 6000A. Indicate the general chapter, scope, reference, definition, symbol, label and color symbol, test method and requirement, dimension and model sample, and bibliography