ABB - Electrification Signature Partner Distributor
ABB - Electrification OS400J03 - Switch Fuses,Front Operated,3-pole,03 (Left Side),Class J,400 A,Handle and shaft not included,
ABB - Electrification

OS400J03


Documents & Media
Specification Sheet

Contact for Pricing

Overview

The ABB OS400J03 is a 3-pole, 400A Class J switch fuse designed for robust circuit protection in industrial and commercial applications. This front-operated unit features a left-side mounting configuration (03), ensuring compatibility with standard panel layouts. It is UL/CSA certified, providing reliable performance for high-current distribution systems. The OS400J03 supports significant motor loads, rated for up to 125 HP at 240V, 250 HP at 480V, and 350 HP at 600V. This switch fuse is suitable for use with ABB OS400J switches and includes an M10X40 terminal bolt set for secure electrical connections. The front-operated mechanism allows for straightforward access and operation. Please note that the handle and shaft are not included and must be purchased separately. Part of ABB Electrification's comprehensive portfolio, the OS400J03 is built to withstand demanding operating conditions while adhering to strict UL/CSA standards. Its order number is 1SCA151737R1001.
  • 3-pole, 400A Class J switch fuse
  • Front-operated with left-side mounting (03 configuration)
  • UL/CSA certified for industrial and commercial use
  • Supports motor loads: 125 HP (240V), 250 HP (480V), 350 HP (600V)
  • Compatible with ABB OS400J switches; handle/shaft sold separately

Specifications

Application
Mainly used for controlling 3-phase motors and generally for controlling power circuits up to 690 V AC and 220 V DC. The contactors can also be used for many other applications such as bypass, capacitor switching, lighting, DC power circuits.
Connection Type
M10X40 Terminal Bolt
Current Rating
400 A
Mounting Type
Front Operated, Left Side
Mounting Type
Front-operated, Left Side
Poles
3
Poles
3-pole
Series
OS
Size
82x110x108mm
Special Features
Switch Fuses,Front Operated,3-pole,03 (Left Side),Class J,400 A,Handle and shaft not included,
Standard
RoHs, CSA, cUL, CE, GOST
Type
Contactors
Package Dimensions (L x W x H)
10.63 IN x 9.449 IN x 8.11 IN
Package Dimensions (L x W x H)
27.0002 cm x 24.0005 cm x 20.5994 cm
Package Weight (Imperial)
14.991 L
Package Weight (Metric)
6.800 kg
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Frequently Asked Questions

What is the current rating of the ABB OS400J03 switch fuse?

The ABB OS400J03 switch fuse has a rated current of 400 A.

How many poles does the OS400J03 switch fuse have?

The ABB OS400J03 is a 3-pole switch fuse.

What fuse class is compatible with the OS400J03?

The OS400J03 switch fuse is designed for Class J fuses.

What is the maximum horsepower rating at 600V for this switch fuse?

The OS400J03 switch fuse supports a maximum horsepower rating of 350 HP at 600V.

Is the handle and shaft included with the OS400J03?

No, the handle and shaft are not included with the ABB OS400J03 and must be ordered separately.

What type of mounting does the OS400J03 feature?

The OS400J03 is a front-operated switch fuse with a left-side mounting configuration.

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