NXA Series Air Circuit Breaker

▪ Frame size (A): 1600, 2000, 3200, 4000

▪ Breaking capacity: N,S,H

▪ Rated operational voltage Ue (VAC): 380/400/415

▪ Number of poles: 3P, 4P

▪ Installation method: draw-out type, fixed type

▪ Wiring type: horizontal rear connection

Operation conditions and environment adaptabilit

• Operation temperature: The electrical and mechanical characteristics are applicable to the ambient temperature of -5℃-+40℃. NXA can also operate in the ambient temperature of -45℃-+70℃ (M type, A type), -20℃-+70℃ (P type, H type, CD-1), the derating factor is seen in P21-22.

• Storage conditions: apply to -45℃-70℃

• NXA can resist the following electromagnetic interference

— Overvoltage generated by electromagnetic interference

— Overvoltage caused by environment interference or a power distributing system

— Electrostatic discharge of radio waves (radio, intercom, radar and the like)

• The NXA circuit breaker has successfully passed the test for electromagnetic compatibility specified according to the following standards (EMC) IEC/EN 60947-2 Annex F

• The test can guarantee no false tripping and no interference on tripping time

• Protection grade: Front IP 20, other side IP 00