Home / Products / Low Voltage Circuit Breaker / Miniature Circuit Breaker (MCB) / QM2-125 mcb miniature circuit breaker
description
Technical Data
Electrical Features
| Rated current In | 63,80,100,125A |
| Poles | 1P,1P+N,2P,3P,3P+N,4P |
| Rated voltage Ue | 240/415V |
| Insulation voltage Ui | 500V |
| Rated frequency | 50/60Hz |
| Rated breaking capacity | 10,000A |
| Energy limiting class | 3 |
| Rated impulse withstand voltage(1.5/50) Uimp | 4,000V |
| Dielectric test voltage at ind. Freq. for 1 min | 2kV |
| Pollution degree | 2 |
| Thermo-magnetic release characteristic | 8-12In |
Mechanical Features
| Electrical life | 4,000 Cycles |
| Mechanical life | 10,000 Cycles |
| Contact position indicator | Yes |
| Protection degree | IP20 |
| Reference temperature for setting of thermal element | 30℃ |
| Ambient temperature (with daily average≤35℃) | -5℃~+40℃ |
| Storage temperature | -25℃~+70℃ |
Installation
| Terminal connection type | Cable/Pin-type busbar |
| Terminal size top/bottom for cable | 50mm2 18-2AWG |
| Terminal size top/bottom for busbar | 50mm2 18-2AWG |
| Tightening torque | 3.5Nm 30In-Ibs |
| Mounting | On DIN rail EN 60715 (35mm) by means of fast clip device |
| Connection | Power supply in both directions |
Combination with accessories
| Auxiliary contact | QM2-OF |
| Alarm contact | QM2-FB |
| Shunt release | QM2-MX |
| Over/Under voltage release | QM2-MV+MN |
MCB Characteristics
Characteristics Curves
Circuit Diagram
Overall and Installation Dimension(mm)
