OS250B22LRP

Name: OS250B22LRP
Brand: ABB
SKU: OS250B22LRP

"ABB's OS250B22LRP switch fuse offers reliable motor protection in heavy industry. With its world-class performance, it ensures optimal protection and efficiency. Ideal for use next to transformers, this fuse provides high reliability and minimal power loss."

Product ModelOS250B22LRP

Material Number1SCA022854R7210

Product ID77888

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Reliable Performance\"The ABB OS250B22LRP switch fuse delivers consistent and reliable performance, making it an ideal choice for heavy industrial applications. Its robust design ensures minimal downtime and maximum efficiency.\"
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2. World-Class Protection\"Designed to protect motors in demanding environments, the OS250B22LRP switch fuse offers world-class protection. Its high insulation voltage and dielectric strength ensure that your equipment is safeguarded against electrical surges and faults.\"
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3. Efficient Operation\"With its optimized design, the ABB OS250B22LRP switch fuse minimizes power loss, reducing energy consumption and operating costs. This makes it an efficient solution for industries looking to save on energy expenses.\"
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4. Versatile Installation\"The OS250B22LRP switch fuse can be installed in various configurations, including open air, ventilated enclosures, and totally enclosed settings. Its flexibility makes it suitable for a wide range of industrial applications.\"

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

407 mm

Product Net Height

200 mm

Product Net Depth / Length

184 mm

Product Net Weight

8 kg 17.64 lb

Conventional Free-air Thermal Current (Ith)

Î = 40 Â°C 250 A

5. High Current Rating\"Featuring a high current rating of up to 250 A, the ABB OS250B22LRP switch fuse can handle demanding electrical loads. This makes it an excellent choice for applications requiring high power handling capabilities.\"

Conventional Thermal Current (Ithe)

Fully Enclosed 250 A

Fourth Pole Type

Switched - Fusible Pole

Fuse Size

B1-B3

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 17 W

Rated Conditional Short-Circuit Current (Inc)

(690 V) 80 kA

Rated Current (In)

Main Circuit 250 A

Rated Impulse Withstand Voltage (Uimp)

12 kV

Rated Insulation Voltage (Ui)

1000 V

Rated Operational Current AC-21A (Ie)

(500 V) 250 A (690 V) 250 A

Rated Operational Current AC-22A (Ie)

(380 ... 415 V) 250 A (500 V) 250 A (690 V) 250 A

Rated Operational Current AC-23A (Ie)

(380 ... 415 V) 250 A (500 V) 250 A (690 V) 250 A

Rated Operational Power AC-23A (Pe)

(220 ... 240 V) 75 kW (400 V) 140 kW (415 V) 145 kW (500 V) 170 kW (690 V) 250 kW

Rated Operational Voltage

Main Circuit 690 V AC

Rated Short-time Withstand Current Low Voltage (Icw)

for 1 s 8 kiloampere rms

Standards

IEC 60947-3

Switches Operating Mechanism

22 (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

1SCA022854R7210