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1SDA062952R1 ABB T7L 1250 PR332/P LSIRc 1250 A 3-Pole MCCB
ABB 1SDA062952R1 is a T7L 1250 three-pole moulded case circuit breaker with a 1250 A rating, PR332/P LSIRc electronic protection and 120 kA breaking capacity at 380–415 V AC.
£10,917.38
Why Choose the ABB 1SDA062952R1 T7L 1250 Circuit Breaker?
The ABB 1SDA062952R1 is a high-performance Tmax T7L 1250 moulded case circuit breaker (MCCB) designed for protection and switching of high-current low-voltage electrical distribution systems. Equipped with the advanced PR332/P LSIRc electronic trip unit, this three-pole breaker provides adjustable overload, short-time and instantaneous short-circuit protection together with residual-current protection for demanding industrial and commercial installations.
As part of the ABB SACE Tmax T series, the T7L 1250 combines high breaking performance with sophisticated electronic protection. Its L performance level provides an ultimate short-circuit breaking capacity of 120 kA at 380–415 V AC, while the rated uninterrupted current of 1250 A makes it suitable for major distribution boards and high-current industrial power systems.
The 1SDA062952R1 is supplied as a fixed three-pole circuit breaker with front terminals and a stored-energy operating mechanism. With a rated operational voltage of up to 690 V AC, it provides dependable circuit protection and switching for demanding low-voltage installations.
Key Advantages
- High-capacity 1250 A moulded case circuit breaker for industrial power distribution.
- 120 kA ultimate breaking capacity at 380–415 V AC for demanding fault conditions.
- Advanced PR332/P LSIRc electronic trip unit with overload, short-time, instantaneous and residual-current protection.
- Three-pole fixed construction with front terminal connections.
- Adjustable overload setting range of 500–1250 A for flexible circuit protection.
- Stored-energy operating mechanism supports dependable switching of high-current circuits.
Key Features
- ABB SACE Tmax T7L 1250 series.
- 1250 A rated uninterrupted current.
- PR332/P LSIRc solid-state electronic release.
- 120 kA Icu at 380–415 V AC.
- Adjustable overload protection from 500–1250 A.
- Adjustable short-time delayed short-circuit protection from 750–12500 A.
- Adjustable instantaneous short-circuit protection from 1875–18750 A.
- Integrated residual-current protection.
- Fixed mounting with front terminals and stored-energy operating mechanism.
Advanced Circuit Protection for Power Distribution
Moulded case circuit breakers such as the ABB Tmax T7L protect electrical distribution systems against overloads and short circuits while providing a means of isolating and switching high-current circuits. The high interrupting capacity of the T7L makes it particularly suitable for installations where prospective fault currents can be substantial.
The PR332/P LSIRc electronic trip unit combines adjustable long-time, short-time and instantaneous protection with residual-current protection. This allows protection characteristics to be coordinated with the connected electrical system while adding protection against residual currents, making the breaker suitable for sophisticated industrial distribution and protection applications.
Typical Applications
- Main low-voltage distribution boards and switchboards.
- Industrial power distribution systems.
- High-current feeder circuit protection.
- Electrical installations requiring residual-current protection.
- Manufacturing plants and process facilities.
- Commercial and infrastructure electrical distribution.
Technical Specifications
| Series | SACE Tmax T7 |
|---|---|
| Order code / MPN | 1SDA062952R1 |
| ABB product group | 310511-T-Max T4 - T8 |
| Product type | Moulded case circuit breaker (MCCB) |
| Frame size | T7 |
| Performance level | L |
| Rated current (In) | 1250 A |
| Rated uninterrupted current (Iu) | 1250 A |
| Rated operational voltage | 690 V AC |
| Number of poles | 3 |
| Trip unit | PR332/P LSIRc |
| Release type | Electronic / solid-state |
| Protection functions | L, S, I and Rc |
| Overload setting range | 500–1250 A |
| Short-time delayed short-circuit setting range | 750–12500 A |
| Instantaneous short-circuit setting range | 1875–18750 A |
| Residual-current setting range | 250–1250 A |
| Ultimate short-circuit breaking capacity (Icu) at 220–230 V AC | 200 kA |
| Ultimate short-circuit breaking capacity (Icu) at 380–415 V AC | 120 kA |
| Ultimate short-circuit breaking capacity (Icu) at 440 V AC | 100 kA |
| Ultimate short-circuit breaking capacity (Icu) at 500 V AC | 85 kA |
| Ultimate short-circuit breaking capacity (Icu) at 690 V AC | 50 kA |
| Protection rating | IP20 |
| Mounting type | Fixed circuit breaker |
| Terminal connection | Front terminals |
| Main circuit connection | Bolt connection |
| Operating mechanism | Stored-energy mechanism |
| Motor operator | Optional |
| Dimensions (H × W × D) | 268 × 210 × 178 mm |
| Net weight | 11 kg |
Frequently Asked Questions
What is the ABB 1SDA062952R1 used for?
This circuit breaker is designed to protect and switch high-current low-voltage electrical distribution circuits in industrial, commercial and infrastructure installations.
What is the rated current of the ABB T7L 1250?
The 1SDA062952R1 has a rated uninterrupted current of 1250 A.
What protection functions does the PR332/P LSIRc trip unit provide?
The PR332/P LSIRc electronic trip unit provides long-time overload, short-time short-circuit, instantaneous short-circuit and residual-current protection.
What is the breaking capacity of the 1SDA062952R1?
The T7L version provides an ultimate short-circuit breaking capacity of 120 kA at 380–415 V AC.
How is this circuit breaker installed?
The breaker is supplied in a fixed three-pole configuration with front terminals and uses a stored-energy operating mechanism.
Trusted for Industrial Power Distribution
ABB SACE Tmax circuit breakers are designed for demanding low-voltage power distribution applications where dependable switching, high fault-breaking performance and configurable electronic protection are required.
