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.
Picture | Density | Parts number | Support products series | |
9mm | OF | NDM1-63 NDM1T-63 NDM1F-63 NDM1-125 NDB1C-125 NDM1L-32 NDM1L-50 NDM1L-100 | ||
9mm | OF2 |
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
Picture | Density | Parts number | Support product series | |
9mm | SD | NDM1-63 NDM1T-63 NDM1F-63 NDM1-125 NDB1C-125 NDM1L-32 NDM1L-50 NDM1L-100 | ||
9mm | SD2 | NDB2-63 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.
Picture | Density | Parts number | Support product series | |
18mm | MX+OF | NDM1-63 NDM1T-63 NDM1-125 NDB1C-125 | ||
18mm | MX+OF2 |
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.
Picture | Density | Parts number | Support product series | |
18mm | NGQ1A | NDM1-63 NDM1-125 NDM1T-63 | ||
18mm | NGQ2A |
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.