Description
The BB2 series miniature circuit breaker accessories include auxiliary contact OF2, alarm contact SD2, double auxiliary contact FF2, integrated auxiliary & alarm contact FS2, double alarm contact SDD2, shunt release & auxiliary contact MX+OF2, padlock accessory S, motor operator accessory R3, etc. They are compatible with all BB2 series miniature circuit breakers, suitable for distribution circuits with AC 50Hz/60Hz and rated voltage up to 400V.
These accessories are mounted on the left side of miniature circuit breakers to realize extended functions such as circuit breaker ON/OFF status signal feedback, fault trip alarm, remote opening and closing, mechanical padlock anti-misoperation and remote electric operation. Different accessories can be selected and combined as required. Featuring compact size, easy installation and stable signal output, they are widely used in power distribution scenarios including residential buildings, commercial & industrial sites, communication, energy and infrastructure.
This series of accessories is matched with BB2 series circuit breakers and complies with GB/T 10963.1, IEC 60898-1, GB/T 16917.1, IEC 61009-1 and other relevant standards.
