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Next-Generation Circuit Breaker NSX 400 MCCB with Increased Energy Availability
High capacity moulded case circuit breaker NSX 400 MCCB
NSX series of MCCB reflects the latest current limiting principle and manufacturing technology, characterized by compact structures, full modularization, high breaking, and zero flashover. Circuit breaker is equipped with overload, short-circuit and undervoltage protection device, so as to protect the circuit and power supply equipment from damage.
Type | Rated Current (A) | Pole No | Rated Insultating Voltage(V) | Rated Operating Voltage(V) | Arcing Over Distance | Liminting Short-Circuit Breaking Capacity Icu(Ka) | Perating Short-Citcuit Breaking Capacity Ics (Ka) |
NSX-100D | 12.5,16,20,25,32,40,50,63,80,100 | 3/4P | 750 | under 690v | 0 | 18 | 18 |
NSX-100N | 25 | 25 | |||||
NSX-100H | 70 | 70 | |||||
NSX-100L | 150 | 150 | |||||
NSX-160D | 16,20,25,32,40,50,63,80,100,125,160 | 25 | 25 | ||||
NSX-160N | 36 | 36 | |||||
NSX-160H | 70 | 70 | |||||
NSX-160L | 150 | 150 | |||||
NSX-250D | 160,180,200,225,250 | 35 | 35 | ||||
NSX-250N | 45 | 45 | |||||
NSX-250H | 70 | 70 | |||||
NSX-250L | 150 | 150 | |||||
NSX-400N | 200,225,50,300,315,400 | 35 | 35 | ||||
NSX-400H | 45 | 45 | |||||
NSX-400L | 70 | 70 | |||||
NSX-400D | 150 | 150 | |||||
NSX-630N | 315,350,400,500,600,630 | 35 | 35 | ||||
NSX-630H | 45 | 45 | |||||
NSX-630L | 70 | 70 | |||||
NSX-630D | 150 | 150 | |||||
NSX-1250D | 500,600,630,800,1000,1250 | 50 | 37 | ||||
NSX-1250N | 70 | 70 |
1. the altitude below 2000m.
2. the ambient temperature between 40℃ and -5℃.
3. It can withstand the impact from humid air, salt spray, oil mist and mold.
4. In places with no danger of explosion, no conductive dust, and no substance enough to corrode metal or damage the insulation.
5. In places with no rain and snow erosion.
1.Energy Efficiency |
Integrated power monitoring unit |
Accurate measurement of electrical parameters |
Diagnostic and maintenance help |
2.Better performance |
New breaking capacities |
Earth fault from 40A |
Advanced motor protection |
3.Easy to install |
Uniformity with usual installation procedures |
Large number of connection accessories and auxiliaries |
Single switchboard front panel cutout |
4.Increased safety |
Front panel correct operation indication by LEDs |
Safe interchangeability of trip units ensured by torque-limiting screw |
Transparent cover blocks access to settings |
Functional terminal shields protect connections |
5.Easier communication |
Communication functions integrated into the trip unit |
Plug and play type communication system |
Range of communicating auxiliaries |
6.Easy to operate |
Direct access to amps measurements on front panel |
Switchboard display unit for improved information accessibility |
Installation monitoring |
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