The Breaker can be attached with shunt tripping device, undervoltage tripping device, auxiliary contacts, alarm contacts and motor-operated drive.
断路器可以加装分励脱扣器、压脱扣器，辅助触头，报警触头和电动操作机构。
2
The product features 2-SPDT dry contacts, an internal alarm, and a blue finish that is not confused with fire alarm stations. Auxiliary contacts can be used for remote annunciation.
同时，配置了2-SPDT干触点、内部报警器及防火蓝油，并可通过辅助触点实施远程控制。
3
There is main, auxiliary engine fresh water high temperature alarm device on board.