NXA Series Low Voltage Air Circuit Breaker 3 Poles 1600A ACB
Circuit breaker
Frame size (A): 1600, 2000, 3200, 4000
Breaking capacity: N,S,H
Rated voltage Ue (VAC): 380/400/415
Number of poles: 3P, 4P
Installation method: draw-out type, fixed type
Wiring type: horizontal rear connection
operational
Operation conditions and environment adaptability
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
Intelligent controller
M type (basic type)
asic function: Current measurement and display,protective function
L S I&G
A type (current type)
— Comprising all protective functions of M type
— Unbalanced current protection
P type (power type)
— Basic function, protective function: L, S, I&G
— Power measurement functions of current, voltage, power etc.
— LCD display
H type (harmonic type)
— Comprising all protection and measurement functions of P type
— Harmonic measurement and analysis
— Communication function
