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1SDA062976R1 ABB T7V 1250 PR332/P LSIRc 1250 A 4-Pole MCCB
ABB 1SDA062976R1 is a SACE Tmax T7V 1250 A four-pole fixed moulded case circuit breaker with front terminals, a PR332/P LSIRc electronic trip unit and 150 kA ultimate short-circuit breaking capacity at 415 V AC.
£12,055.56
Why Choose the ABB T7V 1250 PR332/P LSIRc 1SDA062976R1 Circuit Breaker?
The ABB 1SDA062976R1 is a high-performance SACE Tmax T7V 1250 moulded case circuit breaker (MCCB) designed for demanding low-voltage power distribution systems. It combines a 1250 A rated current, four-pole construction and the advanced ABB PR332/P LSIRc electronic trip unit for adjustable overload, short-circuit and residual-current protection.
As part of the ABB SACE Tmax T7 series, the T7V 1250 is engineered for installations with very high prospective fault currents. Its V performance level provides a rated ultimate short-circuit breaking capacity of 150 kA at 415 V AC, making it suitable for high-current industrial, infrastructure and commercial distribution systems.
The 1SDA062976R1 is a four-pole fixed circuit breaker with front terminals. Its PR332/P LSIRc electronic release provides long-time overload, short-time delayed and instantaneous short-circuit protection, while residual-current protection can be implemented using the compatible ABB 1SDA063869R1 external toroid.
Key Advantages
- High-performance ABB SACE Tmax T7V moulded case circuit breaker.
- 1250 A rated current for high-current power distribution.
- Four-pole construction for three-phase systems incorporating a neutral conductor.
- 150 kA ultimate short-circuit breaking capacity at 415 V AC.
- PR332/P LSIRc electronic trip unit for comprehensive circuit protection.
- 500–1250 A adjustable overload protection range.
- Residual-current protection capability with the compatible ABB external toroid.
Key Features
- ABB SACE Tmax T7V 1250 series.
- 1250 A rated uninterrupted current (Iu).
- Four-pole (4P) construction.
- PR332/P LSIRc electronic trip unit.
- L: long-time overload protection.
- S: short-time delayed short-circuit protection.
- I: instantaneous short-circuit protection.
- Rc: residual-current protection capability.
- 500–1250 A overload adjustment range.
- 750–12500 A short-time delayed short-circuit adjustment range.
- 1875–18750 A instantaneous short-circuit adjustment range.
- V very-high-breaking-capacity performance level.
- 150 kA Icu at 415 V AC.
Very High Breaking Capacity with PR332/P LSIRc Protection
The ABB SACE Tmax T7 platform is engineered for high-current low-voltage installations where dependable interruption of severe prospective fault currents and configurable electronic protection are essential. The T7V 1250 combines a 1250 A current rating with ABB's V performance level, delivering an ultimate short-circuit breaking capacity of 150 kA at 415 V AC.
The PR332/P LSIRc electronic trip unit combines long-time overload, short-time delayed and instantaneous short-circuit protection with residual-current functionality. The overload setting is adjustable from 500–1250 A, short-time protection from 750–12500 A and instantaneous protection from 1875–18750 A. For Rc protection, ABB specifies the 1SDA063869R1 toroid.
Typical Applications
- Industrial low-voltage power distribution systems.
- Four-pole main incomer and feeder protection.
- High-current electrical switchboards.
- Transformer and distribution-system protection.
- Manufacturing and process-industry electrical systems.
- Infrastructure and large commercial distribution assemblies.
- Installations requiring residual-current protection capability.
Technical Specifications
| Series | SACE Tmax T7 |
|---|---|
| ABB designation | T7V1250PR332/PLSIRcIn=1250A4p |
| Order code | 1SDA062976R1 |
| EAN | 8015644655259 |
| Product type | Moulded case circuit breaker (MCCB) |
| Frame | T7 |
| Performance level | V |
| Rated current (In) | 1250 A |
| Rated uninterrupted current (Iu) | 1250 A |
| Number of poles | 4 |
| Trip unit | PR332/P LSIRc |
| Trip-unit technology | Electronic |
| Protection functions | Long-time, short-time, instantaneous and residual current |
| Overload release adjustment | 500–1250 A |
| Short-time delayed short-circuit adjustment | 750–12500 A |
| Instantaneous short-circuit adjustment | 1875–18750 A |
| Rated operational voltage | 690 V AC |
| Rated ultimate short-circuit breaking capacity (Icu) at 415 V AC | 150 kA |
| Installation | Fixed |
| Terminal position | Front |
| Degree of protection | IP20 |
| Depth | 154 mm |
| Residual-current toroid | ABB 1SDA063869R1 required for Rc protection |
| ABB product group | 310511-T-Max T4 - T8 |
Frequently Asked Questions
What is the ABB 1SDA062976R1?
The ABB 1SDA062976R1 is a SACE Tmax T7V 1250 four-pole fixed moulded case circuit breaker rated at 1250 A, with front terminals and a PR332/P LSIRc electronic trip unit.
What is the breaking capacity of the ABB T7V 1250 1SDA062976R1?
The ABB T7V 1250 1SDA062976R1 has a rated ultimate short-circuit breaking capacity of 150 kA at 415 V AC, corresponding to the Tmax T7 V performance level.
What protection functions does the PR332/P LSIRc trip unit provide?
The PR332/P LSIRc electronic trip unit provides long-time overload, short-time delayed short-circuit and instantaneous short-circuit protection, together with residual-current protection capability when used with the specified external toroid.
What are the protection adjustment ranges of the ABB 1SDA062976R1?
The overload release is adjustable from 500–1250 A, the short-time delayed short-circuit release from 750–12500 A, and the instantaneous short-circuit release from 1875–18750 A.
Does the ABB 1SDA062976R1 require an external toroid for residual-current protection?
Yes. ABB specifies that the Rc residual-current protection requires the 1SDA063869R1 toroid, which works with the PR332/P LSIRc trip unit to provide residual-current protection.
Trusted ABB Power Distribution Protection
ABB SACE Tmax T7 moulded case circuit breakers combine high-current capability, advanced electronic protection and substantial short-circuit breaking performance for dependable protection and coordination in demanding industrial and commercial low-voltage distribution systems.
