This Application will be decommissioned as of January 7th 2025

18638 |
Schneider-Electric
Discover 18638 by
 
18638 picture- web-product-data-sheet
18638
Miniature circuit breaker (MCB), Acti9 NG125N, 3P, 50A, C curve, 25kA (IEC/EN 60947-2)
Schneider Electric
Characteristics
Main
Range Acti9
Product name Acti9 NG125
Product or component type Miniature circuit-breaker
Device short name NG125N
Device application Distribution
Poles description 3P
Number of protected poles 3
[In] rated current 50 A at 40 °C
Network type DC
AC
Trip unit technology Thermal-magnetic
Curve code C
Breaking capacity 20 kA Icu at <= 375 V DC conforming to EN/IEC 60947-2
10 kA Icu at 500 V AC 50/60 Hz conforming to EN/IEC 60947-2
20 kA Icu at 440 V AC 50/60 Hz conforming to EN/IEC 60947-2
25 kA Icu at 380...415 V AC 50/60 Hz conforming to EN/IEC 60947-2
50 kA Icu at 220...240 V AC 50/60 Hz conforming to EN/IEC 60947-2
Utilisation category Category A conforming to IEC 60947-2
Suitability for isolation Yes conforming to IEC 60947-2
Standards EN/IEC 60947-2
Complementary
Network frequency 50/60 Hz
[Ue] rated operational voltage <= 375 V DC
380...415 V AC 50/60 Hz
500 V AC 50/60 Hz
220...240 V AC 50/60 Hz
440 V AC 50/60 Hz
Magnetic tripping limit 8 x In
[Ics] rated service breaking capacity 37.5 kA 75 % conforming to EN/IEC 60947-2 - 220...240 V AC 50/60 Hz
18.75 kA 75 % conforming to EN/IEC 60947-2 - 380...415 V AC 50/60 Hz
15 kA 75 % conforming to EN/IEC 60947-2 - 440 V AC 50/60 Hz
7.5 kA 75 % conforming to EN/IEC 60947-2 - 500 V AC 50/60 Hz
20 kA 100 % conforming to EN/IEC 60947-2 - <= 375 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 ON/OFF indication
Trip indicator
Mounting mode Clip-on
Mounting position Vertical
Mounting support 35 mm symmetrical DIN rail
Comb busbar and distribution block compatibility YES
9 mm pitches 9
Height 103 mm
Depth 81 mm
Width 81 mm
Net weight 0.72 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
Environment
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
Packing Units
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 12.7 cm
Package 1 Weight 758.0 g
Unit Type of Package 2 S03
Number of Units in Package 2 18
Package 2 Height 30.0 cm
Package 2 Width 30.0 cm
Package 2 Length 40.0 cm
Package 2 Weight 14.13 kg
Offer Sustainability
Packaging without single use plastic Yes
Packaging made with recycled cardboard Yes
SCIP Number E6bcfac5-a8c1-4bc2-b9b0-148b3c04ae46
REACh Regulation
print REACh Declaration
EU RoHS Directive Compliant
print EU RoHS Declaration
Toxic heavy metal free Yes
Mercury free Yes
RoHS exemption information
print Yes
China RoHS Regulation
print China RoHS declaration
Environmental Disclosure
print Product Environmental Profile
Circularity Profile
print End of Life Information
WEEE The product must be disposed on European Union markets following specific waste collection and never end up in rubbish bins
Take-back No
Carbon footprint (kg.eq.CO2 per CR, Total Life cycle) 86
Contractual warranty
Warranty 18 months