18738
50A 4P 36kA NG125H mcb curve type C
Trade Price
POA
Per
1
Unit
Pack Quantity
Information
This Acti9 NG125H product is a low voltage circuit breaker. It is a 4P circuit breaker with 4 protected poles and 50A In rated current and C tripping curve. The rated short circuit breaking capacity goes up to 36kA at 380VAC to 415VAC conforming to EN/IEC 60947-2 standard and 36kA at 380VAC to 415VAC conforming to EN/IEC 60947-2 standard. It complies with both industrial standard EN/IEC 60898-1 and residential standard EN/IEC 60947-2. This miniature circuit breaker protects circuits against short circuit and overload current. It is suitable for isolation in the industrial sector according to IEC/EN 60947-2 standard. The fault tripping is indicated by a red mechanical state indicator light on the front face of the circuit breaker. It has an electrical endurance going up to 10000 cycles and a mechanical endurance going up to 20000 cycles. The Ue operational voltage is going from 380VAC to 415VAC. The Ui rated insulation voltage is 690VAC. The Uimp rated impulse withstand voltage is 8kV. The operating frequency is 50Hz or 60Hz. It is DIN rail mountable. Its width is 12 pitches of 9mm. Pollution degree is 3. Overvoltage category is IV. The dimensions are (W) 108mm x (H) 103mm x (D) 81mm. The weight is 0.96kg. According to IEC 60529 standard, the degree of protection is IP20 and IP40 in enclosure. The operating temperature is -30°C to 70°C. The storage temperature is -40°C to 70°C.
Technical Specifications
Range of produc
NG125
Range
Acti9
Product name
Acti9 NG125
Product or component type
Miniature circuit-breaker
Device short name
NG125H
Device application
Distribution
Poles description
4P
Number of protected poles
4
[In] rated current
50 A at 40 °C
Network type
DC AC
Trip unit technology
Thermal-magnetic
Curve code
C
Breaking capacity
12 kA Icu at 500 V AC 50/60 Hz conforming to EN/IEC 60947-2 30 kA Icu at 440 V AC 50/60 Hz conforming to EN/IEC 60947-2 36 kA Icu at 380...415 V AC 50/60 Hz conforming to EN/IEC 60947-2 70 kA Icu at 220...240 V AC 50/60 Hz conforming to EN/IEC 60947-2 25 kA Icu at <= 500 V DC conforming to EN/IEC 60947-2
Utilisation category
Category A conforming to IEC 60947-2
Suitability for isolation
Yes conforming to IEC 60947-2
Network frequency
50/60 Hz
[Ue] rated operational voltage
380...415 V AC 50/60 Hz 500 V AC 50/60 Hz <= 500 V DC 220...240 V AC 50/60 Hz 440 V AC 50/60 Hz
Magnetic tripping limit
8 x In +/- 20 %
[Ics] rated service breaking capacity
52.5 kA 75 % conforming to EN/IEC 60947-2 - 220...240 V AC 50/60 Hz 27 kA 75 % conforming to EN/IEC 60947-2 - 380...415 V AC 50/60 Hz 22.5 kA 75 % conforming to EN/IEC 60947-2 - 440 V AC 50/60 Hz 9 kA 75 % conforming to EN/IEC 60947-2 - 500 V AC 50/60 Hz 25 kA 100 % conforming to EN/IEC 60947-2 - <= 500 V DC
[Ui] rated insulation voltage
690 V AC 50/60 Hz conforming to EN/IEC 60947-2
[Uimp] rated impulse withstand voltage
8 kV conforming to EN/IEC 60947-2
Contact position indicator
Yes
control type
Manual tripping test Toggle
local signalling
Trip indicator ON/OFF indication
Mounting mode
Clip-on
mounting support
35 mm symmetrical DIN rail
Comb busbar and distribution block compatibility
YES
9 mm pitches
12
height
103 mm
Width
108 mm
Depth
81 mm
Net weight
0.96 kg
Mechanical durability
20000 cycles
Electrical durability
10000 cycles
Provision for padlocking
Padlockable
Locking options description
Integrated padlocking
Connections - terminals
Tunnel type terminals1.5…50 mm² rigid Tunnel type terminals1…35 mm² flexible
Wire stripping length
20 mm
Tightening torque
3.5 N.m
earth-leakage protection
Separate block
Standards
EN/IEC 60947-2
IP degree of protection
IP20 conforming to IEC 60529
IK degree of protection
IK05 conforming to EN/IEC 62262
Pollution degree
3 conforming to IEC 60947-2
Overvoltage category
IV
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…70 °C
Unit Type of Package 1
PCE
Number of Units in Package 1
1
Package 1 Height
8.6 cm
Package 1 Width
12.4 cm
Package 1 Length
15.5 cm
Package 1 Weight
1 kg
Unit Type of Package 2
S03
Number of Units in Package 2
12
Package 2 Height
30 cm
Package 2 Width
30 cm
Package 2 Length
40 cm
Package 2 Weight
12.498 kg
Warranty
18 months
Document Links
Datasheet