Type: | Industrial Type | Pole: | 3P |
---|---|---|---|
Color: | Gray/White | Rated Frequency: | 50/60Hz |
Rated Voltage: | 230/400V | Breaking Capacity: | 6kA |
Installation: | Din Rail | Standard: | EN/IEC60947-2 |
Type Of Trip: | Thermal/magnetic Release | Protection: | Overload And Short Circuit |
High Light: | electric motor circuit breaker,thermal breaker switch |
NBSM1-125 Series 3 Pole Circuit Breaker 125A High Breaking Capacity Swift Releasing
Description:
NBSM1-125 series miniature circuit breaker is a current limiting high-breaking miniature circuit breaker with double protection of overload and short circuit. Suitable for AC 50/60 Hz, rated voltage 230/400V, rated current up to 125A and below. It is mainly used for lighting, distribution lines and equipment overload and short circuit protection of residential buildings, office buildings and similar buildings. It can also be used as an infrequent operation conversion of lines under normal conditions.
NBSM1-125 Industrial breaker is our new design with patent, characterized by compact design, light weight, elegant appearance, high breaking capacity, swift releasing, long service life, Different handle color for different rated current, with contactor condition indicator.
Applications:
Technical Data |
♦ Standard:Confirming to EN / IEC60947-2 |
♦ Breaking capacity:6kA |
♦ Protection:Against overload and short circuit |
♦ Rated current In:16,25,32,40,50,63,80,100,125A |
♦ Rated voltage: |
◊ 1pole 230/400V AC 50/60Hz |
◊ Rated insulation voltage Ui: 500V |
◊ Rated impulse withstand voltage Uimp: 6000V |
◊ Energy limiting class: 3 |
♦ Ambient temperature:-5°C to +40°C pursuant to EN / IEC60947-2 |
♦ Characteristic: |
◊ Thermal operating limit: (1.13-1.45) x In |
◊ Magnetic operating: D: (10-20) x In |
♦ Number of poles:1P,1P+N,2P,3P,3P+N and 4P |
♦ Type of trip:Thermal / magnetic release |
♦ Type of terminal:Lug type and Pin type |
♦ Terminal capacity: |
◊ 16mm² flexible or 25mm² rigid up to 25A ratings |
◊ 25mm² flexible or 35mm² rigid for 32A to 80A ratings |
◊ 35mm² flexible or 45mm² rigid for 100A to 125A ratings |
♦ Protection degree:IP20 |
♦ Installation:DIN rail |
♦ Width:18mm per pole |
Wiring Diagrams
Over-Current Protection Property