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1SDA062966R1 ABB T7V 1250 PR332/P LSI 1250A 3P Circuit Breaker
ABB 1SDA062966R1 is a SACE Tmax T7V 1250 A three-pole fixed moulded-case circuit breaker with a PR332/P LSI electronic trip unit and 150 kA ultimate short-circuit breaking capacity at 380–415 V AC for adjustable overload and short-circuit protection.
£9,156.95
Why Choose the ABB T7V 1250 PR332/P LSI 1250A Circuit Breaker?
The ABB 1SDA062966R1, designated T7V 1250 PR332/P LSI In=1250A 3p F F, 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 advanced PR332/P LSI solid-state electronic trip unit for adjustable overload and short-circuit protection.
The T7V performance level provides very high short-circuit interruption capability, including a rated ultimate short-circuit breaking capacity of 150 kA at 380–415 V AC. Its PR332/P LSI electronic release provides long-time, short-time and instantaneous protection functions, allowing the breaker to protect high-current circuits against sustained overloads and severe short-circuit conditions while supporting coordinated protection throughout the distribution system.
With its three-pole configuration, fixed construction, front terminals and lever operating mechanism, the 1SDA062966R1 is designed for reliable integration into professional low-voltage switchboards. Its combination of 1250 A continuous current capability, configurable electronic protection and high breaking capacity makes it particularly suitable for industrial, commercial and infrastructure distribution systems with substantial prospective fault currents.
Key Advantages
- High-performance 1250 A moulded-case circuit breaker for demanding low-voltage distribution systems.
- 150 kA ultimate short-circuit breaking capacity at 380–415 V AC for high fault-level installations.
- Advanced PR332/P LSI solid-state electronic trip unit.
- Provides adjustable long-time, short-time and instantaneous protection.
- Three-pole configuration designed for three-phase electrical distribution systems.
- Fixed construction with front terminals and lever operation for dependable switchboard integration.
Key Features
- ABB SACE Tmax T7V 1250 series.
- 1250 A rated uninterrupted current.
- PR332/P LSI electronic protection trip unit.
- 150 kA Icu at 380–415 V AC.
- Three-pole configuration.
- 500–1250 A adjustable overload release range.
- 750–12500 A adjustable short-time delayed short-circuit release range.
- 1875–18750 A adjustable instantaneous short-circuit release range.
- Fixed installation with front main-circuit terminals.
- Bolt-connected main circuit.
- Manual lever operating mechanism.
- Optional motor drive capability.
- IP20 degree of protection.
Advanced LSI 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 breaking capacity of 150 kA at 380–415 V AC, the 1SDA062966R1 provides robust protection for electrical distribution networks with very high prospective short-circuit currents.
The PR332/P LSI electronic trip unit combines adjustable long-time overload protection from 500–1250 A, short-time delayed short-circuit protection from 750–12500 A and instantaneous short-circuit protection from 1875–18750 A. These independently defined protection functions support effective coordination and selectivity while the fixed three-pole construction provides a robust solution for high-current three-phase distribution.
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 power distribution systems.
Technical Specifications
| Series | SACE Tmax T7 |
|---|---|
| ABB order code | 1SDA062966R1 |
| ABB product group | 310511-T-Max T4 - T8 |
| EAN / GTIN | 8015644655150 |
| Product type | Moulded-case circuit breaker (MCCB) |
| Frame | T7V 1250 |
| Short-circuit performance level | V |
| Rated uninterrupted current Iu | 1250 A |
| Number of poles | 3 |
| Trip unit | PR332/P LSI |
| Release type | Solid-state electronic |
| Protection functions | LSI – long-time, short-time and instantaneous |
| Overload release current setting | 500–1250 A |
| Short-time delayed short-circuit release adjustment | 750–12500 A |
| Instantaneous short-circuit release adjustment | 1875–18750 A |
| Rated operational voltage | 690 V AC |
| Rated insulation voltage Ui | 1000 V |
| Rated impulse withstand voltage Uimp | 8 kV |
| Ultimate short-circuit breaking capacity Icu at 220–230 V AC | 200 kA |
| Ultimate short-circuit breaking capacity Icu at 380–415 V AC | 150 kA |
| Ultimate short-circuit breaking capacity Icu at 440 V AC | 130 kA |
| Ultimate short-circuit breaking capacity Icu at 500 V AC | 100 kA |
| Ultimate short-circuit breaking capacity Icu at 690 V AC | 60 kA |
| Service short-circuit breaking capacity Ics at 380–415 V AC | 150 kA |
| Rated short-time withstand current Icw | 15 kA for 1 s |
| Installation | Fixed |
| Terminal position | Front |
| Main circuit connection | Bolt connection |
| Operating mechanism | Lever / toggle |
| Integrated motor drive | No |
| Optional motor drive | Yes |
| DIN rail mounting | No |
| Degree of protection | IP20 |
| Country of origin | Italy |
| Weight | approx. 11.2 kg |
Frequently Asked Questions
What is the ABB 1SDA062966R1 used for?
The ABB 1SDA062966R1 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 1SDA062966R1?
The circuit breaker is fitted with an ABB PR332/P LSI solid-state electronic trip unit, providing adjustable long-time overload, short-time delayed short-circuit and instantaneous short-circuit protection.
What is the breaking capacity of the ABB 1SDA062966R1?
The ABB T7V 1250 1SDA062966R1 has a rated ultimate short-circuit breaking capacity of 150 kA at 380–415 V AC, making it suitable for electrical installations with very high prospective fault currents.
What are the protection adjustment ranges of the ABB 1SDA062966R1?
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.
Where is the ABB 1SDA062966R1 typically installed?
The breaker is typically installed in main low-voltage switchboards, industrial distribution panels, transformer secondary circuits and infrastructure power systems requiring 1250 A three-pole protection and very high short-circuit interruption performance.
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.
