NKC9-63 2 pole circuit breaker


Anson Electric NKC9 product is a low voltage miniature circuit breaker (MCB). It is a 1P,2P,3P,4P circuit breaker with 4 protected pole and 1A,2A,3A,4A,5A,6A,10A,16A,20A,25A,32A,40A,50A,63A  In rated current and C tripping curve.

The rated short circuit breaking capacity goes up to 6000A at 230VAC conforming to IEC 60898-1 standard. It is compliant with IEC 60898-1 standard.

This product has a protection against short circuit and a protection of cable against overloads. It has a fault tripping indication on the front panel by the position of the handle (O-I engraved).

This product is dedicated for residential and small commercial buildings. It has an electrical endurance going up to 4000 cycles and a mechanical endurance going up to 10000 cycles.

Ue operational voltage is 230VAC.

Ui rated insulation voltage is 500VAC.

Uimp rated impulse withstand voltage is 4kV.

Operating frequency is 50Hz. It can be mounted on DIN rail for modular installation. Its width is 2 pitches of 9mm. The product colour is light grey (RAL7035).

The dimensions are (W) 18mm x (H) 81mm x (D) 66.5mm. According to IEC 60529 standard, the degree of protection is IP20 and IP40 in enclosure.

Operating temperature is -5°C to 60°C.

Storage temperature is -40°C to 85°C.


range NKC9-63
device application Distribution
product or component type Miniature circuit-breaker
device short name NKC9 MCB
Poles 1P,2P(1P+N),3P,4P(3P+N)
[In] rated current 32A
network type AC
trip unit technology Thermal-magnetic
curve code B,C,D
breaking capacity 6000 A Icn at 230 V AC 50/60 Hz conforming to IEC 60898-1
suitability for isolation Yes conforming to IEC 60898-1
network frequency 50/60 Hz
[Ue] rated operational voltage 230V/415V AC 50/60Hz
magnetic tripping limit 5…10 x In
[Ics] rated service breaking capacity 6 kA 100 % x Icn at 230 V AC 50/60 Hz conforming to IEC 60898-1
[Ui] rated insulation voltage 500V AC 50/60 Hz conforming to IEC 60898-1
[Uimp] rated impulse withstand voltage 4 kV conforming to IEC 60898-1
contact position indicator Yes
control type Toggle
local signalling Without
mounting mode Clip-on
mounting support DIN rail
9 mm pitches 2
height 81 mm
width 18 mm
depth 66.5 mm
colour Grey (RAL 7035)
mechanical durability 10000 cycles
electrical durability 4000 cycles
connections – terminals Tunnel type terminal (top or bottom) 1…25 mm² rigid
Tunnel type terminal (top or bottom) 1…16 mm² flexible
tightening torque 2 N.m top or bottom
standards IEC 60898-1
product certifications CE
IP degree of protection IP20 conforming to IEC 60529
pollution degree 2
tropicalisation 2
relative humidity 95 % at -5…60 °C
ambient air temperature for operation -5…60 °C
ambient air temperature for storage -40…85 °C


Fill out my online form.