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1sda054138r1 t4h 320 pr221ds-i in=320 4 pole abb mccb
ABB 1SDA054138R1 Tmax T4H 320 four pole moulded case circuit breaker with PR221DS-I electronic trip unit and 320 A rated current for industrial low voltage power distribution.
£2,380.79
Why Choose the ABB 1SDA054138R1 Tmax T4H Moulded Case Circuit Breaker?
The ABB 1SDA054138R1 is a high-performance Tmax T4H moulded case circuit breaker (MCCB) designed to provide dependable short circuit protection for low voltage electrical distribution systems. As part of the trusted ABB SACE Tmax T series, it is engineered for industrial, commercial and infrastructure applications requiring strong breaking performance, accurate electronic protection and reliable operation.
This model is fitted with a PR221DS-I electronic trip unit, providing reliable solid-state protection for accurate fault detection and dependable circuit interruption. Its fixed four-pole design with front terminals supports straightforward installation in switchboards, motor control centres and distribution panels.
With a 320 A rated current, a 320 A frame size and high breaking capacity performance, the ABB 1SDA054138R1 is well suited to demanding power distribution systems requiring compact construction, reliable electronic protection and long service life.
Key Advantages
- High performance ABB Tmax T4H moulded case circuit breaker.
- 320 A rated current for demanding power distribution systems.
- Four-pole fixed configuration with front terminal connections.
- Reliable PR221DS-I electronic protection unit.
- High short circuit breaking capacity for industrial installations.
- Suitable for switchboards, motor control centres and OEM electrical systems.
Key Features
- ABB SACE Tmax T series.
- Product ID: 1SDA054138R1.
- Rated current: 320 A.
- Frame size: T4 320.
- Number of poles: 4.
- PR221DS-I electronic trip unit.
- Solid-state short circuit protection.
- Rated operational voltage: Up to 690 V AC.
- Rated insulation voltage: 1000 V.
- Rated impulse withstand voltage: 8 kV.
- Fixed front terminal configuration.
Reliable Protection for Industrial Power Distribution
The ABB Tmax T4H range is engineered to protect low voltage circuits against short circuit and fault conditions while supporting safe and reliable power distribution. The PR221DS-I electronic release provides dependable solid-state protection for demanding electrical systems.
Designed for industrial and commercial environments, the ABB 1SDA054138R1 combines compact dimensions, strong breaking performance and ABB engineering quality, making it suitable for critical low voltage distribution applications.
Typical Applications
- Industrial power distribution systems.
- Commercial electrical switchboards.
- Motor control centres.
- OEM machinery and automation panels.
- Infrastructure electrical installations.
- Building services and low voltage protection systems.
Technical Specifications
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| Current | 320 A | |
|---|---|---|
| Phase | Three Phase | |
| Poles | 4-pole | |
| Device Type | MCCB | |
| Breaking Capacity | 100 kA | |
| Trip Unit | Electronic | |
| Manufacturer | ABB | |
| Series | SACE Tmax T | |
| Model | T4H 320 PR221DS-I In=320 4P F F | |
| Product ID | 1SDA054138R1 | |
| EAN | 8015644552374 | |
| Product type | Moulded Case Circuit Breaker (MCCB) | |
| Rated current (In) | 320 A | |
| Rated uninterrupted current (Iu) | 320 A | |
| Number of poles | 4 | |
| Trip unit | PR221DS-I electronic release | |
| Release type | EL | |
| Rated operational voltage | Up to 690 V AC | |
| Rated insulation voltage (Ui) | 1000 V | |
| Rated impulse withstand voltage (Uimp) | 8 kV | |
| Rated service short circuit breaking capacity (Ics) | 100 kA at 230 V AC, 70 kA at 400 V AC, 40 kA at 690 V AC | |
| Rated ultimate short circuit breaking capacity (Icu) | 100 kA at 230 V AC, 70 kA at 400 V AC, 40 kA at 690 V AC | |
| Electrical durability | 6000 operating cycles | |
| Mechanical durability | 20000 operating cycles | |
| Terminal type | Front terminals | |
| Mounting type | Fixed | |
| Standards | IEC 60947-2 | |
| Dimensions (H × W × D) | 205 × 140 × 103.5 mm | |
| Weight | Approx. 3.05 kg |
Frequently Asked Questions
What is the ABB 1SDA054138R1 used for?
It is used to protect low voltage electrical distribution systems against short circuit and fault conditions.
What is the rated current of this MCCB?
The ABB 1SDA054138R1 has a 320 A rated current.
How many poles does this circuit breaker have?
This model is a four-pole (4P) moulded case circuit breaker.
Which trip unit is fitted to this breaker?
It is fitted with an ABB PR221DS-I electronic trip unit for reliable solid-state protection.
Where is this MCCB commonly installed?
It is typically installed in industrial switchboards, distribution panels, motor control centres and OEM electrical systems.
Trusted by Electrical Professionals Worldwide
ABB SACE Tmax moulded case circuit breakers are relied upon worldwide for delivering dependable circuit protection, high fault interruption performance and long-term reliability across demanding electrical installations.
