OS125GBS40N2

Product ID:74957
Updated: 2026/4/3
ABB OS125GBS40N2

Key Features

  • 1Designed for high thermal current (Ith) and short-circuit current (Inc) ratings. 2、Side-operated mechanism ensures secure and efficient switching. 3、Meets British Standard and EU RoHS directives for environmental compliance. 4、Suitable for various voltage levels, including 500V and 690V AC. 5、Constructed with durable materials, ensuring long-lasting performance in harsh environments.
Product Details
OS125GBS40N2
ABB

Technical Specifications

Detailed engineering parameters

ParameterValueParameterValue
Pollution Degree
3
Product Net Width
217 mm
Product Net Height
140 mm
Product Net Depth / Length
127 mm
Product Net Weight
2.56 kg 5.64 lb
Conventional Free-air Thermal Current (Ith)
Θ = 40 °C 125 A
Conventional Thermal Current (Ithe)
Fully Enclosed 125 A
Fourth Pole Position
Right Side
Fourth Pole Type
Switched - With Solid Link
Fuse Size
A2-A4
Fuse System
British Standard
Handle Type
Handle and shaft not included
Mounting Type
Base mounting
Number of Poles
4
Operating Mode
Side Operated
Pollution Degree
3
Position of Line Terminals
Top In - Bottom Out, Bottom In - Top Out
Power Loss
at Rated Operating Conditions per Pole 4 W
Rated Conditional Short-Circuit Current (Inc)
(690 V) 80 kA
Rated Current (In)
Main Circuit 125 A
Rated Impulse Withstand Voltage (Uimp)
8 kV
Rated Insulation Voltage (Ui)
1000 V
Rated Operational Current AC-21A (Ie)
(500 V) 125 A (690 V) 125 A
Rated Operational Current AC-22A (Ie)
(500 V) 125 A (690 V) 125 A
Rated Operational Current AC-23A (Ie)
(500 V) 125 A (690 V) 125 A
Rated Operational Power AC-23A (Pe)
(220 ... 240 V) 37 kW (400 V) 55 kW (415 V) 55 kW (500 V) 75 kW (690 V) 110 kW
Rated Operational Voltage
Main Circuit 690 V AC
Rated Short-time Withstand Current Low Voltage (Icw)
for 1 s 5 kiloampere rms
Standards
IEC 60947-3
Switches Operating Mechanism
40 (Right Side)
Terminal Type
Lug terminals
Terminal Width
20 mm
Tightening Torque
15 … 22 N·m
Tightening Torque
15 … 22 N·m
Object Classification Code
Q
ETIM 8
EC001040 - Fuse switch disconnector
ETIM 9
EC001040 - Fuse switch disconnector
UNSPSC
39122233
IDEA Granular Category Code (IGCC)
5291 >> Fuse switch disconnector
eClass
V11.1 : 27371401
WEEE Category
5. Small Equipment (No External Dimension More Than 50 cm)
Manufacturer ID
1SCA116761R1001

Specifications may be subject to change without notice