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1sda062921r1 t7h 1250 pr231/p i in=1250a 4 pole abb mccb
ABB 1SDA062921R1 Tmax T7H 1250 three-pole fixed moulded case circuit breaker with PR332/P-LSIG electronic trip unit for industrial power distribution.
£8,287.69
Why Choose the ABB 1SDA062921R1 Tmax T7H 1250 MCCB?
The ABB 1SDA062921R1 is a high performance Tmax T7H moulded case circuit breaker (MCCB) engineered to provide dependable protection for industrial power distribution systems, switchboards and demanding low voltage installations. As part of the trusted ABB SACE Tmax T series, it combines high breaking performance with advanced electronic protection for critical electrical infrastructure.
Featuring a 1250 A rated current, three-pole fixed configuration and front terminal connections, this breaker integrates easily into industrial switchboards. The integrated PR332/P-LSIG electronic trip unit delivers long-time, short-time, instantaneous and earth fault protection to help maximise system reliability and equipment safety.
Designed for operation on systems up to 690 V AC, the ABB 1SDA062921R1 is suitable for protecting feeders, transformers, generators, busbars and other high current distribution circuits found in commercial and industrial facilities.
Key Advantages
- High performance ABB Tmax T7H moulded case circuit breaker.
- 1250 A rated current for demanding industrial applications.
- Three-pole fixed construction with front terminals.
- Integrated PR332/P-LSIG electronic protection unit.
- Long-time, short-time, instantaneous and earth fault protection.
- Stored energy operating mechanism for reliable switching.
- High interrupting capacity for industrial distribution systems.
- Designed for dependable long service life.
Key Features
- ABB SACE Tmax T series.
- T7H 1250 frame size.
- 1250 A rated uninterrupted current.
- Three-pole configuration.
- Fixed mounting version.
- Front terminal connections.
- PR332/P-LSIG electronic trip unit.
- Stored energy operating mechanism.
- Suitable for industrial AC power distribution.
Reliable Protection for Industrial Power Systems
The ABB 1SDA062921R1 protects electrical installations against overloads, short circuits and earth faults while helping maintain reliable operation across industrial power distribution networks. Its electronic protection functions improve selectivity and reduce unnecessary downtime.
Built on the proven Tmax T7H platform, this breaker offers dependable performance for industrial switchboards, manufacturing facilities, utilities and commercial infrastructure requiring high current protection.
Typical Applications
- Main low voltage switchboards.
- Industrial distribution panels.
- Motor control centres.
- Generator protection.
- Transformer protection.
- Manufacturing facilities.
- Infrastructure projects.
- Commercial power distribution systems.
Technical Specifications
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| Current | 1250 A | |
|---|---|---|
| Phase | Three Phase | |
| Poles | 3-pole | |
| Device Type | MCCB | |
| Breaking Capacity | 70 kA | |
| Trip Unit | Electronic | |
| Manufacturer | ABB | |
| Series | SACE Tmax T | |
| Model | T7H 1250 PR332/P LSIG | |
| Product type | Moulded case circuit breaker | |
| Product code | 1SDA062921R1 | |
| Rated current | 1250 A | |
| Rated uninterrupted current | 1250 A | |
| Number of poles | 3 | |
| Trip unit | PR332/P-LSIG | |
| Rated operational voltage | Up to 690 V AC | |
| Rated insulation voltage | 1000 V | |
| Rated impulse withstand voltage | 8 kV | |
| Rated ultimate breaking capacity | Up to 70 kA at 415 V AC | |
| Rated service breaking capacity | Up to 70 kA at 415 V AC | |
| Short-time withstand current | 20 kA for 1 s | |
| Mounting type | Fixed | |
| Terminal type | Front terminals | |
| Protection standard | IEC | |
| Dimensions (H × W × D) | approx. 268 × 210 × 178 mm | |
| Weight | approx. 11 kg |
Frequently Asked Questions
What is the ABB 1SDA062921R1 used for?
It is designed to protect industrial power distribution systems against overloads, short circuits and earth faults.
What is the rated current of this breaker?
The ABB 1SDA062921R1 has a 1250 A rated current.
Which trip unit is fitted?
This model features the PR332/P-LSIG electronic trip unit.
How many poles does this circuit breaker have?
This is a three-pole moulded case circuit breaker.
Where is this MCCB typically installed?
It is commonly installed in industrial switchboards, distribution boards, motor control centres and power distribution systems.
Trusted by Industry Worldwide
ABB SACE Tmax moulded case circuit breakers are trusted worldwide for dependable protection, high performance and long operational life in demanding industrial environments.
