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1SDA062930R1 ABB T7L1250 PR231/P-LS/I 1250A 3-Pole 120kA Circuit Breaker
ABB 1SDA062930R1 is a T7L1250 1250 A three-pole fixed moulded case circuit breaker with front terminals, a PR231/P LS/I electronic trip unit and 120 kA ultimate breaking capacity at 415 V AC.
£8,064.62
Why Choose the ABB T7L1250 PR231/P-LS/I 1250A 3-Pole Circuit Breaker?
The ABB T7L1250 PR231/P-LS/I is a high-performance moulded case circuit breaker (MCCB) engineered for dependable protection and switching in high-current low-voltage distribution systems. Part of the ABB SACE Tmax T7 series, this model has a 1250 A rated current and combines the T7L frame with the PR231/P electronic trip unit.
The PR231/P-LS/I electronic release provides long-time overload, short-time short-circuit and instantaneous short-circuit protection. This combination provides comprehensive overcurrent protection while supporting coordination and selectivity with other protective devices in industrial and commercial electrical networks.
This breaker is supplied in an authoritative 3-pole fixed configuration with front terminals and provides an ultimate short-circuit breaking capacity of 120 kA at 415 V AC. Its high interruption capability makes it particularly suitable for installations where substantial prospective short-circuit currents can occur.
Key Advantages
- High-performance ABB SACE Tmax T7 moulded case circuit breaker.
- 1250 A rated current for high-current distribution circuits.
- 3-pole configuration for three-phase electrical systems.
- PR231/P-LS/I electronic trip unit.
- Long-time overload, short-time and instantaneous short-circuit protection.
- 120 kA breaking capacity at 415 V AC for demanding fault levels.
- Electronic protection supports effective system coordination.
- Fixed construction with front terminals for switchboard installation.
Key Features
- ABB SACE Tmax T7L series.
- 1250 A rated current.
- 3-pole construction.
- PR231/P electronic trip unit.
- LS/I protection functions.
- Long-time overload protection.
- Short-time short-circuit protection.
- Instantaneous short-circuit protection.
- 120 kA ultimate breaking capacity at 415 V AC.
- Fixed mounting configuration.
- Front-terminal connection arrangement.
- Designed for high-current three-phase power distribution.
High-Performance Protection for Power Distribution
Moulded case circuit breakers such as the ABB Tmax T7 provide switching, isolation and protection against damaging overcurrent conditions in low-voltage electrical systems. High breaking capacity is particularly important in main distribution networks and industrial installations where prospective short-circuit currents can be substantial.
The PR231/P-LS/I release combines long-time overload protection with short-time and instantaneous short-circuit protection. Together with the T7L frame and its 120 kA breaking capacity at 415 V AC, this configuration provides a robust solution for high-current distribution systems requiring dependable fault interruption.
Typical Applications
- Industrial low-voltage switchboards.
- Main and sub-main power distribution systems.
- High-current three-phase feeder protection.
- Manufacturing and process facilities.
- Commercial and infrastructure electrical installations.
- Distribution systems with high prospective short-circuit currents.
Technical Specifications
| Series | SACE Tmax T7 |
|---|---|
| ABB order code | 1SDA062930R1 |
| ABB product group | 310511-T-Max T4 - T8 |
| Product type | Moulded case circuit breaker |
| Frame | T7L |
| Rated current | 1250 A |
| Number of poles | 3 |
| Trip unit | PR231/P |
| Release type | Electronic |
| Protection functions | LS/I |
| Long-time protection (L) | Overload protection |
| Short-time protection (S) | Short-circuit protection |
| Instantaneous protection (I) | Short-circuit protection |
| Ultimate breaking capacity | 120 kA at 415 V AC |
| Mounting | Fixed |
| Terminal arrangement | Front terminals |
Frequently Asked Questions
What is the ABB 1SDA062930R1 used for?
The ABB 1SDA062930R1 is a Tmax T7L moulded case circuit breaker designed for switching and protecting high-current three-phase low-voltage power distribution circuits.
What is the rated current of the ABB T7L1250 PR231/P-LS/I?
The circuit breaker has a rated current of 1250 A.
What protection functions does the PR231/P-LS/I trip unit provide?
The PR231/P-LS/I electronic trip unit provides long-time overload, short-time short-circuit and instantaneous short-circuit protection.
What is the breaking capacity of the ABB 1SDA062930R1?
The T7L1250 has an ultimate short-circuit breaking capacity of 120 kA at 415 V AC.
What mounting and terminal configuration does the ABB 1SDA062930R1 use?
This breaker is supplied in a 3-pole fixed configuration with front terminals for integration into low-voltage switchboards.
Trusted by Electrical Professionals Worldwide
ABB SACE Tmax circuit breakers are widely used in industrial, commercial and infrastructure power systems where dependable electronic protection and high short-circuit interruption performance are required.
