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Miniature Circuit Breaker Accessories

Miniature Circuit Breaker Accessories

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Miniature circuit breakers accessories include auxiliary contact, alarm contact, shunt tripper, overvoltage and under-voltage tripper, reclosing control device.

Product Description

Auxiliary contact

Loaded on the left side of a miniature circuit breaker to indicate the On/Off state of the circuit breaker; 3 can be loaded at most.

PictureDensityParts numberSupport products series
accessories-miniature-circuit-breaker/nader/OF9mmOFNDM1-63  NDM1T-63  NDM1F-63   NDM1-125  NDB1C-125  NDM1L-32  NDM1L-50  NDM1L-100
accessories-miniature-circuit-breaker/nader/OF29mmOF2

NDB2-63  NDB2Z-63  NDB2ZB-40  NDB2T-63  NDB2LE-63

Note: After assembled with the circuit breaker, terminals 11 and 14 are connected at the time of closing. At the time of opening, terminals 11 and 12 are connected. at most, 3 pcs OF or OF2 can be assembled. 


Alarm contact

Loaded on the left side of a miniature circuit breaker to indicate the fault trip state of the circuit breaker; 3 can be loaded at most 

PictureDensityParts numberSupport product series
accessories-miniature-circuit-breaker/nader/SD9mmSDNDM1-63  NDM1T-63  NDM1F-63   NDM1-125  NDB1C-125  NDM1L-32  NDM1L-50  NDM1L-100
accessories-miniature-circuit-breaker/nader/SD29mmSD2NDB2-63  NDB2Z-63  NDB2ZB-40  NDB2T-63  NDB2LE-63

Note: After assembled with the circuit breaker, terminals 91 and 92 are connected at the time of closing. At the time of fault opening, 91 and 94 are connected. At the time of manual opening, 91 and 92 are connected, but 91 and 94 are not. at most, 3 pcs SD or SD2 can be assembled. 


Shunt tripper

Loaded on the left side of a miniature circuit breaker to indicate the fault tripping state and remote breaking control of the circuit breaker.

PictureDensityParts numberSupport product series
accessories-miniature-circuit-breaker/nader/MX-OF18mmMX+OFNDM1-63  NDM1T-63  NDM1-125  NDB1C-125
accessories-miniature-circuit-breaker/nader/MX-OF218mmMX+OF2

NDB2-63  NDB2Z-63   NDB2ZB-40  NDB2T-63  NDB2LE-63

Note: The changeover contact is an active contact and is not allowed to connect other weak current modules as a passive contact. 

Overvoltage and Under-voltage Tripper 

Installed on the left side of miniature circuit breaker to provide single-phase overvoltage, under-voltage, overvoltage and under-voltage protection. 

PictureDensityParts numberSupport product series
accessories-miniature-circuit-breaker/nader/NGQ1A18mmNGQ1ANDM1-63  NDM1-125  NDM1T-63
accessories-miniature-circuit-breaker/nader/NGQ2A18mmNGQ2A

NDB2-63  NDB2Z-63   NDB2ZB-40  NDB2T-63  NDB2LE-63

Note: The user may only choose overvoltage tripper or under-voltage tripper as needed. Each circuit breaker can only be assembled with one under-voltage tripper to provide single-circuit protection. 

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