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1sda062924r1 t7h 1250 pr331/p lsig in=1250a 4 pole abb mccb
ABB 1SDA062924R1 Tmax T7H 1250 four-pole fixed moulded case circuit breaker with PR331/P-LSIG electronic trip unit, front terminals and 1250 A rated current for industrial power distribution.
£9,506.81
Why Choose the ABB 1SDA062924R1 Tmax T7H 1250 MCCB?
The ABB 1SDA062924R1 is a high performance Tmax T7H moulded case circuit breaker (MCCB) designed for dependable protection in industrial power distribution systems, switchboards and high current low voltage installations. As part of the established ABB SACE Tmax T series, it provides robust protection for demanding applications where safety, selectivity and operational continuity are essential.
This circuit breaker features a 1250 A rated current, four-pole fixed construction and front terminal connections for practical switchboard integration. The integrated PR331/P-LSIG electronic trip unit provides long-time, short-time, instantaneous and earth fault protection, helping safeguard feeders, transformers, generators, busbars and critical distribution circuits.
With operation up to 690 V AC, high short circuit breaking performance and a stored energy operating mechanism, the ABB 1SDA062924R1 is well suited to main distribution boards, industrial switchboards, motor control centres and heavy duty electrical infrastructure.
Key Advantages
- High performance ABB Tmax T7H moulded case circuit breaker.
- 1250 A rated current for heavy duty power distribution.
- Four-pole fixed design with front terminal connections.
- Integrated PR331/P-LSIG electronic release.
- Long-time, short-time, instantaneous and earth fault protection functions.
- Stored energy operating mechanism for dependable switching.
- High breaking capacity for demanding industrial applications.
- Suitable for switchboards, feeders, transformers and generator protection.
Key Features
- ABB SACE Tmax T circuit breaker series.
- T7H 1250 frame for high current applications.
- 1250 A rated uninterrupted current.
- Four-pole configuration.
- Fixed circuit breaker version.
- Front terminal connection type.
- PR331/P-LSIG solid-state electronic trip unit.
- Stored energy operating mechanism.
- Designed for AC low voltage protection systems.
Reliable Protection for Industrial Power Distribution
The ABB 1SDA062924R1 is engineered to protect low voltage power networks from overload, short circuit and earth fault conditions while helping maintain safe, reliable operation. Its PR331/P-LSIG electronic release provides advanced protection characteristics for high current circuits where selectivity, fault clearance and system availability are important.
The Tmax T7H platform is widely used in industrial switchboards, main distribution panels and high capacity electrical systems. Its robust construction, high breaking performance and stored energy mechanism make it suitable for installations requiring dependable protection and long service life.
Typical Applications
- Main low voltage distribution switchboards.
- Industrial power distribution panels.
- Motor control centres.
- Transformer protection circuits.
- Generator protection systems.
- Feeder protection in commercial and industrial buildings.
- Manufacturing and process plant electrical systems.
- Infrastructure and utility installations.
Technical Specifications
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| Current | 1250 A | |
|---|---|---|
| Phase | Three Phase | |
| Poles | 4-pole | |
| Device Type | MCCB | |
| Breaking Capacity | 70 kA | |
| Trip Unit | Electronic | |
| Manufacturer | ABB | |
| Series | SACE Tmax T | |
| Model | T7H 1250 PR331/P LSIG | |
| Product type | Moulded case circuit breaker | |
| Product ID | 1SDA062924R1 | |
| EAN | 8015644654733 | |
| Rated current | 1250 A | |
| Rated uninterrupted current | 1250 A | |
| Number of poles | 4P | |
| Release | PR331/P-LSIG | |
| Release type | Electronic | |
| Rated operational voltage | 690 V AC | |
| Rated insulation voltage | 1000 V | |
| Rated impulse withstand voltage | 8 kV | |
| Short-circuit performance level | H | |
| Rated ultimate breaking capacity | 70 kA at 415 V AC | |
| Rated service breaking capacity | 70 kA at 415 V AC | |
| Short-time withstand current | 20 kA for 1 s | |
| Electrical durability | 2000 cycles | |
| Mechanical durability | 10000 cycles | |
| Power loss | 47 W per pole at rated operating conditions | |
| Mounting type | Fixed | |
| Terminal connection | Front terminals | |
| Standards | IEC | |
| Dimensions (H × W × D) | approx. 268 × 280 × 178 mm | |
| Weight | approx. 14 kg |
Frequently Asked Questions
What is the ABB 1SDA062924R1 used for?
The ABB 1SDA062924R1 is used to protect low voltage industrial power distribution systems against overloads, short circuits and earth fault conditions.
What is the rated current of this MCCB?
This moulded case circuit breaker has a rated current of 1250 A.
What trip unit is fitted to the ABB 1SDA062924R1?
It is fitted with a PR331/P-LSIG electronic trip unit for long-time, short-time, instantaneous and earth fault protection.
How many poles does this circuit breaker have?
The ABB 1SDA062924R1 is a four-pole circuit breaker.
Where is this MCCB typically installed?
It is typically installed in industrial switchboards, distribution panels, motor control centres, transformer circuits and generator protection systems.
Trusted by Engineers Worldwide
ABB Tmax moulded case circuit breakers are trusted by panel builders, electrical engineers and industrial facilities worldwide for reliable circuit protection, high breaking performance and long term operational safety.
