1SDA054455R1 ABB T5V 400 TMA400-4000 In=400 4P Fixed MCCB

1SDA054455R1 ABB T5V 400 TMA400-4000 In=400 4P Fixed MCCB

ABB T5V 400 TMA400-4000 moulded case circuit breaker with 400 A rated current, four-pole fixed configuration and thermal-magnetic protection for low voltage distribution systems.

SKU: 1SDA054455R1MPN: 1SDA054455R1
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List Price £5,324.93 ex VAT
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Why Choose the ABB T5V 400 TMA400-4000 Fixed Circuit Breaker?

The ABB T5V 400 TMA400-4000 In=400 4p F F is a dependable moulded case circuit breaker (MCCB) designed for reliable protection and switching in low voltage electrical distribution systems. As part of the proven ABB Tmax T5 series, it provides robust circuit protection for industrial, commercial and infrastructure applications requiring safe and efficient electrical distribution.

Featuring the TMA400-4000 thermal-magnetic trip unit, the T5V 400 combines thermal overload protection with magnetic short-circuit protection. This provides a reliable and straightforward protection solution for electrical circuits, cables and connected equipment in demanding low voltage installations.

With a rated current of 400 A, a four-pole fixed configuration and a thermal-magnetic release system, the ABB T5V 400 TMA400-4000 is suitable for applications requiring dependable circuit interruption, compact installation and long operational service life.

Key Advantages

  • 400 A moulded case circuit breaker for reliable low voltage protection.
  • Part of the established ABB Tmax T5 MCCB range.
  • Four-pole fixed configuration for three-phase and neutral distribution systems.
  • Integrated TMA400-4000 thermal-magnetic trip unit for dependable fault protection.
  • Provides overload and short-circuit protection in a compact device.
  • Suitable for electrical switchboards and distribution assemblies.

Key Features

  • ABB Tmax T5V series moulded case circuit breaker.
  • Rated current: 400 A.
  • Four-pole fixed configuration.
  • TMA400-4000 thermal-magnetic release.
  • Thermal overload and magnetic short-circuit protection.
  • Front terminal connection for switchboard installation.
  • Designed for low voltage power distribution applications.
  • Compatible with ABB Tmax T4–T8 accessory platform.

Reliable Protection for Electrical Distribution Systems

Moulded case circuit breakers such as the ABB Tmax T5V provide automatic protection by interrupting electrical circuits during overload and short-circuit conditions. This helps prevent damage to cables, equipment and distribution infrastructure while improving installation safety.

The Tmax T5 platform combines durable mechanical construction with reliable thermal-magnetic protection technology, making it suitable for industrial switchboards, commercial electrical panels and general low voltage distribution applications.

Typical Applications

  • Industrial low voltage distribution systems.
  • Commercial electrical switchboards.
  • Building power distribution panels.
  • Machinery and equipment protection.
  • Control panels and electrical assemblies.
  • Infrastructure power distribution installations.

Technical Specifications

Series Tmax T5
Order code 1SDA054455R1
Product type Moulded case circuit breaker (MCCB)
Frame size T5V 400
Rated uninterrupted current 400 A
Number of poles 4 poles
Trip unit TMA400-4000 thermal-magnetic release
Protection functions Thermal overload and magnetic short-circuit protection
Mounting type Fixed
Terminal connection Front terminals
Rated operational voltage up to 690 V AC
Rated insulation voltage 1000 V
Rated impulse withstand voltage 8 kV

Frequently Asked Questions

What is the ABB T5V 400 TMA400-4000 used for?

The ABB T5V 400 is a moulded case circuit breaker designed to protect low voltage electrical distribution systems against overloads and short circuits.

What is the rated current of this circuit breaker?

The ABB T5V 400 TMA400-4000 has a rated current of 400 A.

How many poles does this ABB MCCB have?

This model is a four-pole fixed circuit breaker suitable for three-phase and neutral distribution systems.

Which trip unit is fitted to this breaker?

The breaker is fitted with the TMA400-4000 thermal-magnetic trip unit providing overload and short-circuit protection.

Where is the ABB T5V 400 typically installed?

The breaker is typically installed in low voltage switchboards, distribution panels and industrial electrical systems.

Trusted by Electrical Engineers Worldwide

ABB Tmax circuit breakers are widely selected by electrical engineers and system integrators for reliable low voltage protection, efficient power distribution and dependable operation in demanding applications.