OS400B12LRP

Name: OS400B12LRP
Brand: ABB
SKU: OS400B12LRP

The ABB OS400B12LRP switch fuse provides high protection and reliability with rapid fault clearance. Ideal for motor protection in heavy industry, it features adjustable installation depths and a compact design for space-saving installations.

Product ModelOS400B12LRP

Material Number1SCA022855R1400

Product ID77512

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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Feature1. High Protection and Reliability The ABB OS400B12LRP switch fuse is designed to maintain its protection level even after a fault occurs, ensuring continuous operation and safety in heavy industrial applications.
2
Feature2. Rapid Fault Clearance With its advanced contact design, the OS400B12LRP switch fuse enables rapid fault clearance, minimizing downtime and ensuring quick recovery from electrical faults.
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Feature3. Compact and Space-Saving Design The compact design of the OS400B12LRP switch fuse allows for installation in smaller enclosures, saving space and reducing installation costs.
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Feature4. Adjustable Installation Depths The adjustable shaft of the OS400B12LRP switch fuse allows for a range of installation depths, making it versatile for various industrial settings.

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

400 mm

Product Net Height

194 mm

Product Net Depth / Length

201 mm

Product Net Weight

9.4 kg

Conventional Free-air Thermal Current (Ith)

Î = 40 Â°C 400 A

Feature5. Ideal for Motor Protection Specifically designed for motor protection, the OS400B12LRP switch fuse is an optimal solution for heavy industrial applications, ensuring the reliability and safety of motor operations.

Conventional Thermal Current (Ithe)

Fully Enclosed 400 A

Fuse System

British Standard

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 40 W

Rated Conditional Short-Circuit Current (Inc)

(690 V) 80 kA

Rated Current (In)

Main Circuit 400 A

Rated Impulse Withstand Voltage (Uimp)

12 kV

Rated Insulation Voltage (Ui)

1000 V

Rated Operational Current AC-21A (Ie)

(500 V) 400 A (690 V) 400 A

Rated Operational Current AC-22A (Ie)

(380 ... 415 V) 400 A (500 V) 400 A (690 V) 400 A

Rated Operational Current AC-23A (Ie)

(380 ... 415 V) 400 A (500 V) 400 A (690 V) 400 A

Rated Operational Power AC-23A (Pe)

(220 ... 240 V) 132 kW (400 V) 220 kW (415 V) 230 kW (500 V) 280 kW (690 V) 400 kW

Rated Operational Voltage

Main Circuit 690 V AC

Rated Short-time Withstand Current Low Voltage (Icw)

for 1 s 14 kiloampere rms

Standards

IEC 60947-3

Switches Operating Mechanism

12 (Between the Poles)

Terminal Type

Lug terminals

Terminal Width

25 mm

Tightening Torque

30 ... 44 NÂ·m

Tightening Torque

30 ... 44 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

1SCA022855R1400