All Products

DZ158LE Residual Current Operated Circuit Breaker
August 17, 2021
NA8 Air Circuit Breaker
August 17, 2021
Show all

NA1 Air Circuit Breaker

Phase: 3 Phase

SL. No Rating Icu
1 1250A 80 kA
2 1600A 80 kA
3 2000A 80 kA
4 2500A 80 kA
5 3200A 80 kA
6 4000A 80 kA
7 5000A 120 kA
8 6300A 120 kA

Phase: 4 Phase

SL. No Rating Icu
1 2000A 80 kA

1.1 Application scope

NA1 series air circuit breaker is suitable for the circuit of AC 50Hz/60Hz with rated service voltage 400V, 690V and rated service current up to 6300A. It is mainly used to distribute electric energy and protect circuits and electric equipment against over-load, under-voltage, short-circuit and single-phase earthing fault.

With intelligentized and selective protection functions, the breaker can improve the reliability of power supply, and avoid unnecessary power failure. The breaker is applicable for power stations, factories, mines (for 690V) and modern high-buildings, especially for the distribution system of intelligentized building.

1.2 Standard: IEC/EN 60947-2.

Reviews (0)


There are no reviews yet.

Be the first to review “NA1 Air Circuit Breaker”

Your email address will not be published. Required fields are marked *