Description
BB2 series accessories are compatible with BB2A-63 and BB2C-63 miniature circuit breakers. They can be mounted on the left side of MCBs to realize extended functions including status feedback, fault alarm, remote tripping, over/undervoltage protection and safety interlock. The range covers OF2A auxiliary contact, SD2A alarm contact, FF2A dual auxiliary contact, FS2A integrated auxiliary & alarm contact, MX+OF2A shunt trip & auxiliary contact, GQ2A over & under voltage accessory, G2A overvoltage accessory, Q2A undervoltage accessory and S/S-27 padlock accessory. All contacts are dry contacts. Multiple accessories can be assembled in series. Featuring compact dimension and simple installation, they are suitable for signal acquisition, remote control and anti-misoperation during maintenance, widely used in building, telecommunication, industrial, energy and other power distribution systems.



