DIN EN 3662-005-2008 航空航天系列.额定电流为20A~50A的温度补偿式三极断路器.第005部分:带偏振信号触点的断路器.产品标准
Aerospace series - Circuit breakers, three-pole, temperature compensated, rated current 20 A to 50 A - Part 005: With polarized signal contact - Product standard; German and English version EN 3662-005:2006
This standard specifies the characteristics of three-pole circuit breakers, temperature compensated with a rated current from 20 A to 50 A, used in aircraft on-board circuits at a temperature between 55 ℃ and 90 ℃ and at an altitude of 15 000 m max.
These circuit break are operated by a push-pull type single push button (actuator), with delayed action
"trip-free" tripping with a polarized signal contact which is open when main contacts are closed ,and inversely.
They will continue to function up to the short-circuit current.