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1SDA062929R1 ABB T7L1250 PR231/P-I 1250A 3-Pole Circuit Breaker
ABB 1SDA062929R1 is a T7L1250 1250 A three-pole fixed moulded case circuit breaker with front terminals and a PR231/P-I electronic trip unit for instantaneous short-circuit protection in high-current low-voltage distribution systems.
£8,064.71
Why Choose the ABB T7L1250 PR231/P-I 1250A 3-Pole Circuit Breaker?
The ABB T7L1250 PR231/P-I is a high-performance moulded case circuit breaker (MCCB) designed for dependable switching and short-circuit protection in high-current low-voltage power distribution systems. As part of the proven ABB SACE Tmax T7 series, it combines a 1250 A rated current with the PR231/P electronic trip unit for instantaneous fault protection.
The PR231/P-I electronic release provides instantaneous short-circuit protection, enabling rapid interruption of severe fault currents. This protection configuration is particularly suitable for applications where overload protection is provided separately or where instantaneous protection is required as part of a coordinated distribution system.
This model is supplied in an authoritative 3-pole fixed configuration with front terminals. The T7L performance level provides high short-circuit interruption capability, making the T7L1250 suitable for industrial switchboards, main distribution systems and high-current three-phase feeders in demanding electrical installations.
Key Advantages
- High-performance ABB SACE Tmax T7 moulded case circuit breaker.
- 1250 A rated current for high-current power distribution.
- 3-pole configuration for three-phase electrical systems.
- PR231/P-I electronic trip unit for instantaneous short-circuit protection.
- Electronic protection provides rapid response to severe fault currents.
- T7L high-breaking-capacity performance for demanding installations.
- Fixed construction with front terminals for switchboard integration.
Key Features
- ABB SACE Tmax T7L series.
- 1250 A rated current.
- 3-pole construction.
- PR231/P electronic trip unit.
- I instantaneous protection function.
- Designed for short-circuit protection of high-current circuits.
- Electronic trip technology for dependable fault response.
- Fixed mounting configuration.
- Front-terminal arrangement.
- Designed for high-current three-phase power distribution.
High-Performance Short-Circuit Protection
Moulded case circuit breakers such as the ABB Tmax T7 provide dependable switching, isolation and fault protection for low-voltage electrical distribution systems. Their ability to interrupt substantial prospective fault currents helps protect conductors, switchgear and connected equipment against the damaging effects of short circuits.
The PR231/P-I electronic release is configured for instantaneous short-circuit protection. Combined with the high-performance T7L frame, it provides an effective protection solution for high-current three-phase circuits where rapid fault interruption is required.
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 requiring high short-circuit interruption capability.
Technical Specifications
| Series | SACE Tmax T7 |
|---|---|
| ABB order code | 1SDA062929R1 |
| 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 function | I — instantaneous short-circuit protection |
| Mounting type | Fixed |
| Terminal arrangement | Front terminals |
Frequently Asked Questions
What is the ABB 1SDA062929R1 used for?
This Tmax T7L moulded case circuit breaker is designed for switching and instantaneous short-circuit protection of high-current three-phase low-voltage power distribution circuits.
What is the rated current of the ABB T7L1250 PR231/P-I?
The circuit breaker has a rated current of 1250 A.
What protection does the PR231/P-I trip unit provide?
The PR231/P-I electronic trip unit provides instantaneous short-circuit protection for rapid interruption of high fault currents.
How many poles does the ABB 1SDA062929R1 have?
This breaker has a 3-pole configuration designed for three-phase low-voltage power distribution systems.
How is the ABB 1SDA062929R1 installed?
This T7L1250 is supplied in a fixed configuration with front terminals 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 switching, electronic fault protection and robust high-current distribution performance are required.
