OS250D04BBN2

Name: OS250D04BBN2
Brand: ABB
SKU: OS250D04BBN2

The ABB OS250D04BBN2 switch fuse is a high-performance, reliable solution for demanding applications. It offers world-class performance and meets stringent safety standards, ensuring optimal electrical safety and efficiency.

Product ModelOS250D04BBN2

Material Number1SCA102201R1001

Product ID75351

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. High PerformanceThe ABB OS250D04BBN2 switch fuse is engineered to deliver exceptional performance in the most demanding electrical applications, ensuring reliable operation under various conditions.
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2. ReliabilityDesigned with reliability in mind, this switch fuse is built to withstand the rigors of continuous use, providing consistent and dependable performance over time.
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3. Safety StandardsMeets stringent safety standards, ensuring optimal electrical safety and minimizing the risk of electrical accidents. It is certified for use in a variety of applications, including those requiring high voltage and current handling.
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4. Versatile InstallationThe modular design allows for 2-, 3-, and 4-pole installation, offering flexibility in terms of installation options to suit different special requirements and configurations.

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

262 mm

Product Net Height

193 mm

Product Net Depth / Length

189 mm

Product Net Weight

4.31 kg 9.5 lb

Conventional Free-air Thermal Current (Ith)

Î = 40 Â°C 250 A

5. Technical SpecificationsRated insulation voltage and operational voltage AC-20 and DC-20, with a pollution degree of 3 and a dielectric strength of 10 kV. It also features a rated impulse withstand voltage of 8 kV and is designed to handle maximum fuse power dissipation in both open air and enclosed environments.

Conventional Thermal Current (Ithe)

Fully Enclosed 250 A

Fourth Pole Position

Right Side

Fourth Pole Type

Switched - With Solid Link

Fuse Size

NH0 NH1

Fuse System

DIN

Handle Type

Handle and shaft not included

Mounting Type

Base mounting

Number of Poles

Operating Mode

Front Operated

Pollution Degree

Position of Line Terminals

Back In - Back Out

Power Loss

at Rated Operating Conditions per Pole 13 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

04 (Left Side)

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

1SCA102201R1001