OS125GD21LRP

Name: OS125GD21LRP
Brand: ABB
SKU: OS125GD21LRP

The ABB OS125GD21LRP switch fuse offers high protection and reliability with a compact, modular design. Its adjustable shaft ensures easy installation, making it perfect for demanding applications. Ideal for use in various electrical systems.

Product ModelOS125GD21LRP

Material Number1SCA120255R1001

Product ID74692

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. High Protection and ReliabilityThe ABB OS125GD21LRP switch fuse is designed to provide high protection and reliability, ensuring rapid fault clearance and maintaining protection levels even after faults occur.
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2. Compact and Modular DesignThe switch fuse features a compact, modular design that allows for easy installation and reduces space requirements. The adjustable shaft ensures flexibility in installation depths.
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3. Easy InstallationThe OS125GD21LRP is designed for easy installation, saving time and money. Its lightweight structure reduces installation time, making it a practical choice for various electrical projects.
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4. Technical SpecificationsThe switch fuse operates at 125A, with a rated insulation voltage of 1000V and a dielectric strength of 10kV at 50Hz for 1 minute. It also features a rated impulse withstand voltage of 12kV.

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

242 mm

Product Net Height

122 mm

Product Net Depth / Length

156 mm

Product Net Weight

2.9 kg

Conventional Free-air Thermal Current (Ith)

Î = 40 Â°C 125 A

5. Versatile ApplicationThe ABB OS125GD21LRP switch fuse is suitable for a wide range of applications, including industrial and commercial settings. Its high thermal current rating ensures reliable operation in various environmental conditions.

Conventional Thermal Current (Ithe)

Fully Enclosed 125 A

Fuse Size

NH000 NH00

Fuse System

DIN

Handle Type

Pistol handle and shaft included

Mounting Type

Base mounting

Number of Poles

Operating Mode

Front Operated

Pollution Degree

Position of Line Terminals

Left In - Right Out

Power Loss

at Rated Operating Conditions per Pole 12 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

21 (Between the Poles)

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

1SCA120255R1001