OS125GB03K

Name: OS125GB03K
Brand: ABB
SKU: OS125GB03K

The ABB OS125GB03K switch fuse provides high protection and reliability, ensuring rapid fault clearance and maintaining protection levels even after faults occur. Its compact design allows for easy installation in smaller enclosures, making it ideal for various electrical applications.

Product ModelOS125GB03K

Material Number1SCA116751R1001

Product ID76094

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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Feature1. High Protection and Reliability The ABB OS125GB03K switch fuse is engineered to provide high protection and reliability, ensuring that your electrical system operates safely and efficiently. Its advanced contact design enables rapid fault clearance, maintaining the protection level even after a fault occurs.
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Feature2. Compact Design The compact design of the OS125GB03K switch fuse allows for easy installation in smaller enclosures, saving space and reducing installation time. This makes it ideal for applications where space is limited.
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Feature3. Easy Installation The modular structure of the OS125GB03K switch fuse facilitates easy installation and design of panels. The adjustable shaft ensures a range of installation depths, accommodating various installation requirements.
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Feature4. Lightweight Structure The lightweight structure of the OS125GB03K switch fuse reduces installation time and costs. Its minimal weight makes it easier to handle and install, saving you time and money.

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

Specifications may be subject to change without notice

Parameter

Value

Parameter

Value

Pollution Degree

Product Net Width

147 mm

Product Net Height

140 mm

Product Net Depth / Length

165 mm

Product Net Weight

1.975 kg 4.35 lb

Conventional Free-air Thermal Current (Ith)

Î = 40 Â°C 125 A

Feature5. High Dielectric Strength The OS125GB03K switch fuse boasts high dielectric strength, ensuring it can withstand electrical stresses and maintain its performance under various conditions. This makes it a reliable choice for demanding applications.

Conventional Thermal Current (Ithe)

Fully Enclosed 125 A

Fuse System

British Standard

Handle Type

Direct mounted handle included

Mounting Type

Base mounting

Number of Poles

Operating Mode

Front Operated

Pollution Degree

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 â¦ 22 NÂ·m

Tightening Torque

15 â¦ 22 NÂ·m

Object Classification Code

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

1SCA116751R1001