Identification of NSX Molded Case Circuit Breaker
The case characteristics are indicated on the rating plate on the front of circuit breaker, the rating plate type depends on breaking performances.
01. Circuit breaker type: case rating and breaking performances
02. Ui: insulation voltage
03. Uimp: rated impulse withstand voltage
04. Ics: service breaking capacity
05. Icu: ultimate breaking capacity
06. Ue: operating voltage
07. Circuit breaker disconnector symbol
08. Reference standard IEC 60947-2
09. Performance according to NEMA standard
10. Color code indicating breaking performance
NSX Molded Case Circuit Breaker Brief Data
NSX Molded Case Circuit Breaker | 100N | 160N | 250N | 400N | 630N | ||
Rated insulation voltage | Ui | 800V | |||||
Rated operational voltage | Ue | AC50/60Hz | 690V | ||||
Suitability for isolation | IEC 60947-2 | ■ | ■ | ■ | ■ | ■ | |
Number of poles | 3, 4 | 3, 4 | 3, 4 | 3 | 3 | ||
Control | Manual | With toggle | ■ | ■ | ■ | ■ | ■ |
With direct handle | ■ | ■ | ■ | ■ | ■ | ||
Electrical | With remote control | ■ | ■ | ■ | ■ | ■ | |
Versions | Fixed | ■ | ■ | ■ | ■ | ■ | |
Endurance, C-O cycles | Mechanical, x1000 | 50 | 40 | 20 | 15 | 15 | |
Electrical | 440V, x1000 | 30 | 20 | 10 | 6 | 4 | |
690V, x1000 | 10 | 7.5 | 5 | 3 | 2 | ||
Side views of NSX Molded Case Circuit Breaker
