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1SDA062964R1 ABB T7V 1250 PR331/P LSIG 1250 A 3-Pole MCCB
ABB 1SDA062964R1 is a SACE Tmax T7V 1250 A three-pole fixed moulded case circuit breaker with front terminals, a PR331/P LSIG electronic trip unit and 150 kA ultimate short-circuit breaking capacity at 415 V AC.
£9,631.13
Why Choose the ABB T7V 1250 PR331/P LSIG 1SDA062964R1 Circuit Breaker?
The ABB 1SDA062964R1 is a high-performance SACE Tmax T7V 1250 moulded case circuit breaker (MCCB) designed for protection and switching in demanding low-voltage power distribution systems. This configuration combines a 1250 A rated current, three-pole construction and the ABB PR331/P LSIG electronic trip unit for comprehensive overload, short-circuit and earth-fault 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 demanding industrial, infrastructure and high-current distribution applications.
The 1SDA062964R1 is a three-pole fixed circuit breaker with front terminals. Its PR331/P LSIG solid-state release combines long-time overload, short-time delayed short-circuit, instantaneous short-circuit and earth-fault protection, supporting selective and coordinated protection throughout complex electrical distribution networks.
Key Advantages
- High-performance ABB SACE Tmax T7V moulded case circuit breaker.
- 1250 A rated current for high-current power distribution.
- Three-pole construction for three-phase circuit protection.
- 150 kA ultimate short-circuit breaking capacity at 415 V AC.
- PR331/P LSIG electronic trip unit for comprehensive circuit protection.
- Integrated long-time, short-time, instantaneous and earth-fault protection functions.
- Fixed configuration with front terminals for switchboard installation.
Key Features
- ABB SACE Tmax T7V 1250 series.
- 1250 A rated uninterrupted current.
- Three-pole (3P) construction.
- PR331/P LSIG solid-state electronic release.
- L: long-time overload protection.
- S: short-time delayed short-circuit protection.
- I: instantaneous short-circuit protection.
- G: earth-fault protection.
- V very-high-breaking-capacity performance level.
- 150 kA Icu at 415 V AC.
- Rated operational voltage up to 690 V AC.
- 1000 V rated insulation voltage.
- 8 kV rated impulse withstand voltage.
Very High Breaking Capacity with LSIG Electronic Protection
The ABB SACE Tmax T7 platform is engineered for high-current low-voltage installations where dependable interruption of severe prospective fault currents is 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 PR331/P LSIG electronic trip unit provides four principal protection functions in a single release: long-time overload protection, short-time delayed protection for selective short-circuit coordination, instantaneous short-circuit protection and earth-fault protection. This combination makes the breaker particularly suitable for high-current distribution networks requiring comprehensive and coordinated protection.
Typical Applications
- Industrial low-voltage power distribution systems.
- Three-phase 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 integrated earth-fault protection.
Technical Specifications
| Series | SACE Tmax T7 |
|---|---|
| ABB designation | T7V 1250 PR331/P LSIG In=1250A 3p F |
| Order code | 1SDA062964R1 |
| EAN | 8015644655136 |
| 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 | 3 |
| Trip unit | PR331/P LSIG |
| Trip-unit technology | Solid-state electronic |
| Protection functions | Long-time, short-time, instantaneous and earth fault |
| Rated operational voltage | 690 V AC |
| Rated insulation voltage (Ui) | 1000 V |
| Rated impulse withstand voltage (Uimp) | 8 kV |
| Rated ultimate short-circuit breaking capacity (Icu) at 415 V AC | 150 kA |
| Rated short-time withstand current (Icw) | 20 kA for 1 s |
| Installation | Fixed |
| Terminal position | Front |
| Standard | IEC |
| ABB product group | 310511-T-Max T4 - T8 |
Frequently Asked Questions
What is the ABB 1SDA062964R1?
The ABB 1SDA062964R1 is a SACE Tmax T7V 1250 three-pole fixed moulded case circuit breaker rated at 1250 A, with front terminals and a PR331/P LSIG electronic trip unit.
What is the breaking capacity of the ABB T7V 1250 1SDA062964R1?
The ABB T7V 1250 1SDA062964R1 has a rated ultimate short-circuit breaking capacity of 150 kA at 415 V AC, corresponding to ABB's V high-performance breaking-capacity level.
What protection functions does the PR331/P LSIG trip unit provide?
The PR331/P LSIG electronic trip unit provides long-time overload, short-time delayed short-circuit, instantaneous short-circuit and earth-fault protection.
What does LSIG mean on the ABB PR331/P trip unit?
LSIG identifies four protection functions: L for long-time overload protection, S for short-time short-circuit protection, I for instantaneous short-circuit protection and G for earth-fault protection.
Is the ABB 1SDA062964R1 a three-pole fixed circuit breaker?
Yes. The 1SDA062964R1 is a three-pole fixed Tmax T7V circuit breaker with front terminals, designed for high-current three-phase power distribution applications.
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.
