OS630B03N3

Name: OS630B03N3
Brand: ABB
SKU: OS630B03N3

The ABB OS630B03N3 switch fuse is a high-performance solution for motor protection in heavy industry. It offers reliable operation, efficient power management, and enhanced safety features. Ideal for demanding applications.

Product ModelOS630B03N3

Material Number1SCA106295R1001

Product ID75845

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Reliability and PerformanceThe ABB OS630B03N3 switch fuse is engineered to provide world-class performance in the most demanding industrial environments. Its reliability ensures that your motors operate efficiently and safely.
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2. Heavy Industry CompatibilityDesigned for heavy industry applications, this switch fuse can be installed next to transformers, making it an optimal solution for motor protection in high-stress settings.
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3. Enhanced Safety FeaturesWith contacts on both sides of the fuse and totally isolated in the “OFF” position, the ABB OS630B03N3 reduces the risk of electric shock to authorized personnel, ensuring a safer working environment.
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4. Modular DesignThe modular design of the ABB OS630B03N3 switch fuse allows for easy installation and maintenance. Its adjustable shaft and interlocking fuse covers make it versatile and user-friendly.

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

429 mm

Product Net Height

306 mm

Product Net Depth / Length

233 mm

Product Net Weight

14.8 kg 32.63 lb

Conventional Free-air Thermal Current (Ith)

Î = 40 Â°C 630 A

5. High Operational CurrentThe ABB OS630B03N3 switch fuse supports high operational currents, making it suitable for a wide range of industrial applications. It can handle up to 630 A, ensuring that your motors receive the power they need to operate efficiently.

Conventional Thermal Current (Ithe)

Fully Enclosed 570 A

Fourth Pole Type

Detachable Neutral Link Integrated Into the Mechanism

Fuse Size

C1-C2

Fuse System

British Standard

Handle Type

Handle and shaft not included

Mounting Type

Base mounting

Number of Poles

3+N

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 46 W

Rated Conditional Short-Circuit Current (Inc)

(690 V) 80 kA

Rated Current (In)

Main Circuit 630 A

Rated Impulse Withstand Voltage (Uimp)

12 kV

Rated Insulation Voltage (Ui)

1000 V

Rated Operational Current AC-21A (Ie)

(500 V) 630 A (690 V) 630 A

Rated Operational Current AC-22A (Ie)

(380 ... 415 V) 630 A (500 V) 630 A (690 V) 630 A

Rated Operational Current AC-23A (Ie)

(380 ... 415 V) 630 A (500 V) 630 A (690 V) 630 A

Rated Operational Power AC-23A (Pe)

(220 ... 240 V) 200 kW (400 V) 355 kW (415 V) 355 kW (500 V) 450 kW (690 V) 630 kW

Rated Operational Voltage

Main Circuit 690 V AC

Rated Short-time Withstand Current Low Voltage (Icw)

for 1 s 18 kiloampere rms

Special Functions

Detachable Neutral

Standards

IEC 60947-3

Switches Operating Mechanism

03 (Left Side)

Terminal Type

Lug terminals

Terminal Width

39 mm

Tightening Torque

50 ... 75 NÂ·m

Tightening Torque

50 ... 75 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

1SCA106295R1001