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1SDA062981R1 ABB T7V 1250 PR332/P LI 1250A 3P Circuit Breaker
ABB 1SDA062981R1 is a SACE Tmax T7V 1250 A three-pole fixed moulded-case circuit breaker with a PR332/P LI electronic trip unit, stored-energy operating mechanism and 150 kA ultimate short-circuit breaking capacity at 400 V AC for adjustable overload and instantaneous short-circuit protection.
£9,372.92
Why Choose the ABB T7V 1250 PR332/P LI 1250A Circuit Breaker?
The ABB 1SDA062981R1, designated T7V 1250 PR332/P LI In=1250A 3p F F M, is a high-performance three-pole moulded-case circuit breaker (MCCB) designed for protection and switching in demanding low-voltage power distribution systems. Part of the established ABB SACE Tmax T7 series, it combines a rated uninterrupted current of 1250 A with the PR332/P LI solid-state electronic trip unit for adjustable overload and instantaneous short-circuit protection.
The T7V performance level is engineered for installations with very high prospective fault currents, providing a rated ultimate short-circuit breaking capacity of 150 kA at 400 V AC, 50 Hz. The PR332/P LI electronic release provides adjustable long-time overload protection together with adjustable instantaneous short-circuit protection, enabling the breaker to protect high-current distribution circuits against both sustained overloads and severe fault currents.
The 1SDA062981R1 is a fixed three-pole breaker with front terminals and a stored-energy operating mechanism. It also supports an optional motor drive, making it suitable for installations requiring remote or automated switching as well as dependable local circuit protection in industrial, commercial and infrastructure power distribution systems.
Key Advantages
- High-performance 1250 A moulded-case circuit breaker for demanding low-voltage distribution systems.
- 150 kA ultimate short-circuit breaking capacity at 400 V AC, 50 Hz.
- Advanced PR332/P LI solid-state electronic trip unit.
- Adjustable long-time overload and instantaneous short-circuit protection.
- Three-pole configuration designed for three-phase electrical distribution networks.
- Stored-energy operating mechanism with optional motor drive capability for remote or automated switching.
Key Features
- ABB SACE Tmax T7V 1250 series.
- 1250 A rated uninterrupted current.
- PR332/P LI electronic protection trip unit.
- 150 kA Icu at 400 V AC, 50 Hz.
- Three-pole configuration.
- 500–1250 A adjustable overload release range.
- 1875–18750 A adjustable instantaneous short-circuit release range.
- Fixed construction with front main-circuit terminals.
- Bolt-connected main circuit.
- Stored-energy operating mechanism.
- Optional motor drive capability.
- IP20 degree of protection.
Advanced LI Protection for High-Power Distribution
The ABB Tmax T7V platform is designed for high-current low-voltage systems where substantial fault interruption capability and configurable electronic protection are required. With a rated uninterrupted current of 1250 A and an ultimate short-circuit breaking capacity of 150 kA at 400 V AC, 50 Hz, the 1SDA062981R1 provides robust protection for electrical distribution networks with very high prospective short-circuit currents.
The PR332/P LI electronic trip unit combines adjustable long-time overload protection from 500–1250 A with instantaneous short-circuit protection adjustable from 1875–18750 A. Combined with its fixed three-pole construction, front terminals and stored-energy operating mechanism, the breaker provides a flexible solution for high-current three-phase distribution and can be equipped for motorised operation where required.
Typical Applications
- Main low-voltage distribution switchboards.
- Industrial power distribution systems.
- Manufacturing and process plants.
- Commercial buildings and infrastructure installations.
- Transformer secondary and high-current feeder protection.
- Three-phase electrical distribution networks.
- High fault-level and remotely operated power distribution systems.
Technical Specifications
| Series | SACE Tmax T7 |
|---|---|
| ABB order code | 1SDA062981R1 |
| ABB product group | 310511-T-Max T4 - T8 |
| EAN / GTIN | 8015644655303 |
| Product type | Moulded-case circuit breaker (MCCB) |
| Frame | T7V 1250 |
| Rated uninterrupted current Iu | 1250 A |
| Number of poles | 3 |
| Trip unit | PR332/P LI |
| Release type | Solid-state electronic |
| Protection functions | LI – long-time overload and instantaneous short-circuit protection |
| Overload release current setting | 500–1250 A |
| Instantaneous short-circuit release adjustment | 1875–18750 A |
| Rated voltage | 690 V AC |
| Ultimate short-circuit breaking capacity Icu at 400 V AC, 50 Hz | 150 kA |
| Installation | Fixed |
| Terminal position | Front |
| Main circuit connection | Bolt connection |
| Operating mechanism | Stored-energy mechanism |
| Optional motor drive | Yes |
| Degree of protection | IP20 |
| Country of origin | Italy |
| Weight | approx. 12.5 kg |
Frequently Asked Questions
What is the ABB 1SDA062981R1 used for?
The ABB 1SDA062981R1 is a 1250 A three-pole moulded-case circuit breaker designed for switching and protection against overload and short-circuit conditions in high-current three-phase low-voltage electrical distribution systems.
What trip unit is fitted to the ABB T7V 1250 1SDA062981R1?
The circuit breaker is fitted with an ABB PR332/P LI solid-state electronic trip unit, providing adjustable long-time overload and instantaneous short-circuit protection.
What is the breaking capacity of the ABB 1SDA062981R1?
The ABB T7V 1250 1SDA062981R1 has a rated ultimate short-circuit breaking capacity of 150 kA at 400 V AC, 50 Hz, making it suitable for installations with very high prospective fault currents.
What are the protection adjustment ranges of the ABB 1SDA062981R1?
The overload release can be adjusted from 500–1250 A, while the instantaneous short-circuit release can be adjusted from 1875–18750 A.
Can the ABB 1SDA062981R1 be motor operated?
Yes. The breaker uses a stored-energy operating mechanism and supports an optional motor drive, allowing it to be incorporated into remote or automated switching systems when suitably equipped.
Trusted Protection from ABB
ABB Tmax moulded-case circuit breakers are widely used in industrial, commercial and infrastructure power distribution systems, providing dependable circuit protection, flexible electronic trip functionality and high short-circuit interruption performance.
