Product Model

OS125GB03-42

In Stock
Last updated: 2025/4/19
ABB OS125GB03-42

Selling Points

  • 1High Reliability: Designed for heavy industry applications, ensuring consistent performance.
  • 2Manual Operation: Easy to operate with integrated nuts for secure connections.
  • 3IEC Compliant: Meets IEC 60947-3 standards for safety and reliability.
  • 4Versatile Configuration: Available in 3-pole configurations with backnut options.
  • 5World-Class Performance: Optimized for motor protection and transformer installations.
Product Details
OS125GB03-42
ABB

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

ParameterValueParameterValue
Pollution Degree
3
Product Net Width
146.5 mm
Product Net Height
172 mm
Product Net Depth / Length
114.5 mm
Product Net Weight
1.87 kg
Conventional Free-air Thermal Current (Ith)
Θ = 40 °C 125 A
Conventional Thermal Current (Ithe)
Fully Enclosed 125 A
Fuse Size
A2-A4
Fuse System
British Standard
Handle Type
Handle and shaft not included
Mounting Type
Base mounting
Number of Poles
3
Operating Mode
Front 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
03 (Left 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
1SCA128214R1001

Specifications may be subject to change without notice