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1SDA054144R1 ABB T4L 320 PR222DS/P-LSIG 320 A 3-Pole MCCB
ABB 1SDA054144R1 T4L 320 PR222DS/P-LSIG is a 320 A three-pole fixed moulded case circuit breaker with LSIG electronic protection and a 65 kA ultimate short-circuit breaking capacity at 440 V AC.
£3,897.89
Why Choose the ABB T4L 320 PR222DS/P-LSIG Circuit Breaker?
The ABB T4L 320 PR222DS/P-LSIG, order code 1SDA054144R1, is a high-performance 3-pole moulded case circuit breaker (MCCB) designed for protection and switching in low-voltage electrical distribution systems. As part of the established ABB Tmax T4 series, it combines a 320 A current rating with the advanced PR222DS/P electronic trip unit for dependable protection of industrial power circuits.
The PR222DS/P-LSIG trip unit provides long-time, short-time, instantaneous and earth-fault protection, allowing the breaker to protect installations against overloads, short circuits and ground faults. Electronic protection provides accurate and flexible circuit protection for demanding industrial and commercial distribution applications.
With a rated uninterrupted current of 320 A and an ultimate short-circuit breaking capacity of 65 kA at 440 V AC, the T4L 320 is suited to distribution systems where high fault-current performance is required. This configuration is a 3-pole fixed circuit breaker, making it suitable for permanent installation in switchboards, distribution panels and industrial control assemblies.
Key Advantages
- High-performance ABB Tmax T4 moulded case circuit breaker.
- 320 A rated uninterrupted current for substantial distribution loads.
- 65 kA breaking capacity at 440 V AC for high-fault-level installations.
- Advanced PR222DS/P-LSIG electronic trip unit.
- LSIG protection covers overload, short-time short-circuit, instantaneous short-circuit and earth-fault conditions.
- Compact 3-pole construction simplifies integration into low-voltage switchboards.
Key Features
- ABB Tmax T4L 320 circuit breaker.
- 320 A rated current.
- 3-pole configuration.
- Fixed mounting execution.
- PR222DS/P electronic trip unit.
- LSIG protection functions.
- 65 kA Icu at 440 V AC.
- Designed for low-voltage power distribution and circuit protection.
Advanced Protection for Electrical Distribution Systems
Moulded case circuit breakers such as the ABB Tmax T4 protect electrical installations by interrupting excessive currents caused by overloads and short circuits. The T4L platform combines compact dimensions with high breaking performance, making it suitable for industrial distribution systems where dependable protection and efficient use of switchboard space are important.
The PR222DS/P-LSIG electronic trip unit extends protection to include earth-fault detection alongside long-time, short-time and instantaneous overcurrent functions. This comprehensive protection arrangement helps safeguard cables, equipment and downstream distribution circuits against a broad range of electrical faults.
Typical Applications
- Industrial low-voltage distribution boards.
- Main and feeder circuit protection.
- Manufacturing and process plant electrical systems.
- Commercial and infrastructure switchboards.
- Machinery and automation power distribution.
- Electrical installations requiring high short-circuit breaking capacity.
Technical Specifications
| Series | Tmax T4 |
|---|---|
| ABB order code | 1SDA054144R1 |
| Product type | Moulded case circuit breaker (MCCB) |
| Frame | T4 |
| Performance level | L |
| Rated uninterrupted current (Iu) | 320 A |
| Trip unit | PR222DS/P |
| Protection functions | LSIG |
| Number of poles | 3 |
| Ultimate short-circuit breaking capacity (Icu) | 65 kA at 440 V AC |
| Mounting | Fixed |
| Application | Low-voltage electrical distribution |
Frequently Asked Questions
What is the ABB 1SDA054144R1?
The ABB 1SDA054144R1 is a Tmax T4L 320 3-pole moulded case circuit breaker equipped with a PR222DS/P-LSIG electronic trip unit.
What is the rated current of this circuit breaker?
The T4L 320 has a rated uninterrupted current of 320 A.
What protection functions does the PR222DS/P-LSIG provide?
The LSIG trip unit provides long-time, short-time, instantaneous and earth-fault protection for comprehensive protection of electrical distribution circuits.
What is the breaking capacity of the ABB T4L 320?
This T4L configuration has an ultimate short-circuit breaking capacity of 65 kA at 440 V AC.
Where is the ABB T4L 320 typically used?
It is typically used in industrial and commercial low-voltage switchboards for feeder, distribution and equipment circuit protection.
Trusted ABB Circuit Protection
ABB Tmax moulded case circuit breakers provide dependable protection and switching for low-voltage electrical distribution systems, combining compact construction, electronic protection technology and high short-circuit performance for demanding industrial installations.
