1SDA054576R1 ABB T4V 320 4-Pole Fixed Breaking Part

Why Choose the ABB 1SDA054576R1 T4V 320 Breaking Part?

The ABB 1SDA054576R1 is a high-performance Tmax T4V 320 breaking part designed for use within ABB's modular Tmax moulded case circuit breaker system. This version provides a fixed four-pole breaker body with front terminals, forming the switching and interruption section of a suitably configured T4V 320 circuit breaker.

As part of the ABB SACE Tmax T4 series, the T4V 320 is engineered for demanding industrial and commercial electrical distribution systems where exceptionally high short-circuit interruption performance is required. The breaking part can be combined with a compatible ABB Tmax protection release selected according to the overload and short-circuit protection requirements of the installation.

The T4V 320 platform has a rated uninterrupted current of 320 A and an ultimate short-circuit breaking capacity of 200 kA at 415 V AC. Its fixed four-pole construction and front-terminal arrangement make the 1SDA054576R1 particularly suitable for switchboards, distribution panels and OEM electrical assemblies requiring very high fault-current interruption capability.

Key Advantages

• Genuine ABB Tmax T4V 320 breaking part.
• 320 A rated uninterrupted current for demanding power distribution applications.
• Exceptional 200 kA ultimate breaking capacity at 415 V AC.
• Four-pole configuration suitable for three-phase systems requiring neutral switching.
• Fixed construction for permanent switchboard installation.
• Front terminals provide straightforward connection within electrical panels.
• Modular design for use with compatible ABB Tmax T4 protection releases.
• Part of the established ABB SACE Tmax moulded case circuit breaker range.

Key Features

• ABB SACE Tmax T4V 320 series.
• 320 A rated uninterrupted current.
• 200 kA Icu at 415 V AC.
• Four-pole breaker configuration.
• Fixed mounting construction.
• Front terminal connection arrangement.
• Supplied as a breaking part for configuration with a compatible protection release.
• Supports compatible ABB electronic protection releases for the T4V 320 platform.
• Designed for electrical distribution systems with very high prospective short-circuit currents.
• Robust ABB Tmax construction for industrial switchgear and power distribution assemblies.

Very High Breaking Performance for Power Distribution

The ABB Tmax T4 system uses a modular architecture that allows the breaking unit and compatible protection release to be configured according to the electrical requirements of an installation. The 1SDA054576R1 provides the T4V 320 switching and interruption section, while a compatible protection release determines the overload and short-circuit protection characteristics of the completed circuit breaker.

The T4V performance level provides an exceptional ultimate short-circuit breaking capacity of 200 kA at 415 V AC, making this breaking part particularly suitable for electrical distribution systems with very high prospective fault currents. Its four-pole construction enables switching of three phases and neutral, while the fixed mounting format and front terminals facilitate integration into industrial switchboards and distribution assemblies.

Typical Applications

• Industrial electrical distribution systems.
• Electrical switchboards and main distribution panels.
• Three-phase systems requiring four-pole switching.
• Installations with very high prospective short-circuit currents.
• Industrial machinery and production facilities.
• Manufacturing and process plants.
• Infrastructure and commercial power distribution.
• OEM switchgear and electrical panel assemblies.