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ABB T4S 320 Breaking Part 4p FF moulded case circuit breaker component with 320 A rated current and fixed front terminals for Tmax T4 protection assemblies.
£1,076.96
The ABB T4S 320 Breaking Part 4p FF is a high-performance moulded case circuit breaker (MCCB) breaking unit designed for reliable switching and protection applications within low-voltage electrical distribution systems. As part of the proven ABB SACE Tmax T4 series, this four-pole breaking part delivers dependable interruption capability and robust construction for industrial and commercial switchgear assemblies.
Designed for integration into compatible ABB Tmax T4 circuit breaker configurations, the T4S 320 breaking part combines compact dimensions with reliable ABB switching technology. Its fixed front terminal arrangement enables straightforward installation while maintaining the performance and durability expected from the Tmax platform.
With a rated uninterrupted current of 320 A, four-pole configuration and S breaking capacity class, the ABB T4S 320 Breaking Part is suitable for applications requiring reliable circuit isolation, switching and fault interruption in modern electrical distribution systems.
The ABB Tmax T4S 320 breaking part provides the essential switching and interruption functions required within complete MCCB assemblies. Its robust design supports reliable operation during normal switching conditions and electrical fault events.
The Tmax T4 platform combines compact construction, high performance and proven ABB engineering, making it suitable for professional switchgear manufacturers, maintenance applications and industrial distribution projects where dependable circuit protection is required.
| Series | SACE Tmax T4 |
|---|---|
| Order code | 1SDA054573R1 |
| Product type | Moulded case circuit breaker breaking part |
| Suitable for | ABB Tmax T4 circuit breaker systems |
| Rated uninterrupted current (Iu) | 320 A |
| Number of poles | 4 poles |
| Terminal connection | Fixed front terminals |
| Rated operational voltage (Ue) | 690 V AC |
| Rated insulation voltage (Ui) | 1000 V |
| Rated impulse withstand voltage (Uimp) | 8 kV |
| Breaking capacity class | S |
| Mechanical durability | Up to 20,000 operations |
| Electrical durability | Up to 6,000 operations |
| Dimensions (H × W × D) | approx. 162 × 140 × 103.5 mm |
| Weight | approx. 3.0 kg |
This ABB Tmax T4 component is a breaking unit used within compatible moulded case circuit breaker assemblies for low-voltage protection and switching applications.
The ABB T4S 320 breaking part has a rated uninterrupted current of 320 A.
The unit has a four-pole (4P) configuration.
The ABB T4S 320 Breaking Part is supplied with fixed front terminals.
This breaking part is designed for use with the ABB Tmax T4 moulded case circuit breaker family.
ABB Tmax moulded case circuit breakers and components are widely selected by electrical engineers and switchgear specialists for reliable protection, efficient installation and long-term performance in industrial power systems.
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