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1SDA062942R1 ABB T7L1250 PR332/P-LSI 1250A 4-Pole Circuit Breaker
ABB 1SDA062942R1 is a T7L1250 1250 A four-pole fixed moulded case circuit breaker with a PR332/P LSI electronic trip unit providing long-time overload, short-time and instantaneous short-circuit protection.
£10,683.38
Why Choose the ABB T7L1250 PR332/P-LSI 1250A 4-Pole Circuit Breaker?
The ABB T7L1250 PR332/P-LSI is a high-performance moulded case circuit breaker (MCCB) designed for dependable protection and switching in high-current low-voltage power distribution systems. Part of the ABB SACE Tmax T7 series, this model combines a 1250 A rated current with the PR332/P electronic trip unit for comprehensive overcurrent protection.
The PR332/P-LSI electronic release provides long-time overload, short-time short-circuit and instantaneous short-circuit protection. These protection functions allow the breaker to respond to different overcurrent conditions while supporting coordination and selectivity with other protective devices in industrial and commercial distribution networks.
This model is supplied in an authoritative 4-pole fixed configuration. The T7L frame is engineered for demanding high-current applications, while its four-pole construction makes it suitable for three-phase systems requiring switching and protection of the neutral conductor.
Key Advantages
- High-performance ABB SACE Tmax T7 moulded case circuit breaker.
- 1250 A rated current for high-current power distribution.
- 4-pole configuration for three-phase and neutral circuits.
- Advanced PR332/P-LSI electronic trip unit.
- Long-time protection against sustained overload conditions.
- Short-time and instantaneous protection against short-circuit faults.
- Electronic protection supports system coordination and selectivity.
- T7L high-performance frame for demanding installations.
- Fixed configuration for integration into low-voltage switchboards.
Key Features
- ABB SACE Tmax T7L series.
- 1250 A rated current.
- 4-pole construction.
- PR332/P electronic trip unit.
- LSI protection functions.
- Long-time overload protection.
- Short-time short-circuit protection.
- Instantaneous short-circuit protection.
- Electronic protection technology for dependable fault response.
- Fixed mounting configuration.
- Designed for high-current low-voltage power distribution.
Advanced Electronic Protection for Power Distribution
Moulded case circuit breakers such as the ABB Tmax T7 provide dependable switching, isolation and overcurrent protection for low-voltage electrical distribution systems. Electronic trip technology enables accurate detection of overload and short-circuit conditions while allowing protection characteristics to be coordinated with other devices in the network.
The PR332/P-LSI release combines long-time overload protection with short-time and instantaneous short-circuit protection. Together with the T7L frame and four-pole construction, this configuration provides a robust solution for high-current distribution systems requiring flexible electronic protection and dependable fault interruption.
Typical Applications
- Industrial low-voltage switchboards.
- Main and sub-main power distribution systems.
- High-current feeder protection.
- Three-phase and neutral distribution circuits.
- Manufacturing and process facilities.
- Commercial and infrastructure electrical installations.
Technical Specifications
| Series | SACE Tmax T7 |
|---|---|
| ABB order code | 1SDA062942R1 |
| ABB product group | 310511-T-Max T4 - T8 |
| Product type | Moulded case circuit breaker |
| Frame | T7L |
| Rated current | 1250 A |
| Number of poles | 4 |
| Trip unit | PR332/P |
| Release type | Electronic |
| Protection functions | LSI |
| Long-time protection (L) | Overload protection |
| Short-time protection (S) | Short-circuit protection |
| Instantaneous protection (I) | Short-circuit protection |
| Mounting | Fixed |
Frequently Asked Questions
What is the ABB 1SDA062942R1 used for?
The ABB 1SDA062942R1 is a Tmax T7L moulded case circuit breaker designed for switching and protecting high-current low-voltage power distribution circuits.
What is the rated current of the ABB T7L1250 PR332/P-LSI?
The circuit breaker has a rated current of 1250 A.
What protection functions does the PR332/P-LSI trip unit provide?
The PR332/P-LSI electronic trip unit provides long-time overload, short-time short-circuit and instantaneous short-circuit protection.
How many poles does the ABB 1SDA062942R1 have?
The breaker has a 4-pole configuration, making it suitable for three-phase distribution systems requiring four-pole switching and protection.
How is the ABB 1SDA062942R1 installed?
The T7L1250 is supplied in a fixed configuration for integration into low-voltage switchboards and power-distribution systems.
Trusted by Electrical Professionals Worldwide
ABB SACE Tmax circuit breakers are widely used in industrial, commercial and infrastructure power systems where dependable electronic protection, flexible coordination and robust high-current distribution performance are required.
