Description
Main
Range Acti9
product name Acti9 C120
Product or component type Miniature circuit-breaker
Device short name C120a
Device application Distribution
Poles description 2P
Number of protected poles 2
[In] rated current 80 A at 40 °C
network type AC
Trip unit technology Thermal-magnetic
Curve code C
Breaking capacity 5 kA Icu at 230…400 V AC 50/60 Hz conforming to EN/IEC 60947-2
Suitability for isolation Yes conforming to EN/IEC 60947-2
Standards EN/IEC 60947-2
Complementary
Network frequency 50/60 Hz
[Ue] rated operational voltage 230…400 V AC 50/60 Hz
Magnetic tripping limit 8 x In +/- 20 %
[Ics] rated service breaking
capacity
5 kA 100 % conforming to EN/IEC 60947-2 – 230…400 V AC 50/60 Hz
Limitation class 3 conforming to EN/IEC 60947-2
[Ui] rated insulation voltage 500 V AC 50/60 Hz conforming to EN/IEC 60947-2
[Uimp] rated impulse withstand
voltage
6 kV conforming to EN/IEC 60947-2
Contact position indicator Yes
control type Toggle
Local signalling ON/OFF indication
Mounting mode Clip-on
Mounting support 35 mm symmetrical DIN rail
9 mm pitches 6
Height 81 mm
Depth 73 mm
Width 54 mm
Net weight 0.41 kg
Colour White
Mechanical durability 20000 cycles
Electrical durability 5000 cycles
Provision for padlocking Yes
Connections – terminals Tunnel type terminals1 cable(s) 1…50 mm² rigid
Tunnel type terminals1 cable(s) 1.5…35 mm² flexible
Wire stripping length Power circuit: 15 mm for top or bottom connection
Tightening torque Power circuit: 3.5 N.m top or bottom
Earth-leakage protection Separate block
Environment
IP degree of protection IP20 conforming to IEC 60529
Pollution degree 3 conforming to IEC 60947-2
overvoltage category III
Tropicalisation 2 conforming to IEC 60068-1
Relative humidity 95 % at 55 °C
Ambient air temperature for
operation
-30…70 °C
Ambient air temperature for
storage
-40…80 °C
