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1sda062879r1 t7s 1250 pr332/p lsig in=1250a 4 pole abb mccb
ABB 1SDA062879R1 SACE Tmax T7S 1250 four-pole fixed moulded case circuit breaker with front terminals and PR332/P LSIG electronic release for industrial low-voltage power distribution.
£8,279.33
Why Choose the ABB 1SDA062879R1 Tmax T7S Moulded Case Circuit Breaker?
The ABB 1SDA062879R1 is a high-current Tmax T7S moulded case circuit breaker (MCCB) designed to provide reliable protection for demanding low-voltage power distribution systems. As part of the proven ABB SACE Tmax T series, it is engineered for industrial switchboards, commercial electrical infrastructure and large-scale power distribution applications.
This breaker is supplied in a fixed four-pole configuration with front terminals and a lever operating mechanism for practical integration into electrical panels. It is equipped with the advanced ABB PR332/P LSIG electronic release, providing Long-time, Short-time, Instantaneous and Ground Fault protection for enhanced system selectivity and electrical safety.
With a 1250 A rated current, operation up to 690 V AC and a high short-circuit breaking capacity, the 1SDA062879R1 is well suited to main distribution boards, feeder protection, industrial plant rooms and high-load commercial installations where dependable circuit protection is essential.
Key Advantages
- Heavy-duty moulded case circuit breaker for industrial power distribution.
- 1250 A rated current for high-load electrical systems.
- Four-pole fixed design for complete circuit protection.
- PR332/P LSIG electronic trip unit for Long-time, Short-time, Instantaneous and Ground Fault protection.
- Front terminal connections support efficient switchboard installation.
- Reliable ABB SACE Tmax construction for demanding low-voltage applications.
Key Features
- ABB SACE Tmax T7S moulded case circuit breaker.
- Product code: 1SDA062879R1.
- 1250 A rated uninterrupted current.
- Four-pole fixed version.
- Front terminal connection type.
- Lever operating mechanism.
- PR332/P LSIG electronic protection release.
- Designed for switchboards, distribution panels and industrial installations.
Reliable Protection for High-Current Electrical Systems
Moulded case circuit breakers such as the ABB Tmax T7S help protect electrical systems by disconnecting circuits during overload, short-circuit and earth fault conditions. This helps reduce equipment damage, improve electrical safety and support continuity across industrial and commercial power distribution networks.
The PR332/P LSIG electronic trip unit allows protection settings to be adjusted to suit the electrical installation. This makes the 1SDA062879R1 suitable for engineers designing switchboards and distribution systems where high breaking capacity, selective protection and dependable performance are required.
Typical Applications
- Main low-voltage switchboards.
- Industrial power distribution systems.
- Commercial electrical infrastructure.
- Manufacturing and processing facilities.
- Distribution panels and feeder circuits.
- Large building services and electrical plant rooms.
Technical Specifications
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| Current | 1250 A | |
|---|---|---|
| Phase | Three Phase | |
| Poles | 4-pole | |
| Device Type | MCCB | |
| Breaking Capacity | 85 kA | |
| Trip Unit | Electronic | |
| Manufacturer | ABB | |
| Series | SACE Tmax T | |
| Model | T7S 1250 PR332/P LSIG In=1250A 4p F F | |
| Product code | 1SDA062879R1 | |
| EAN | 8015644654283 | |
| Product type | Moulded Case Circuit Breaker (MCCB) | |
| Rated current | 1250 A | |
| Rated uninterrupted current (Iu) | 1250 A | |
| Number of poles | 4P | |
| 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) | 85 kA at 220 / 230 V AC, 50 kA at 380 / 400 / 415 / 440 V AC, 40 kA at 500 V AC, 30 kA at 690 V AC | |
| Rated service short-circuit breaking capacity (Ics) | 85 kA at 220 / 230 V AC, 50 kA at 380 / 400 / 415 / 440 V AC, 40 kA at 500 V AC, 30 kA at 690 V AC | |
| Rated short-time withstand current (Icw) | 20 kA for 1 s | |
| Release type | Electronic | |
| Trip unit | PR332/P LSIG | |
| Protection functions | Long-time, Short-time, Instantaneous and Ground Fault | |
| Short-circuit performance level | S | |
| Mounting type | Fixed | |
| Terminal connection | Front terminals | |
| Standard | IEC 60947-2 | |
| Electrical durability | 2,000 cycles | |
| Mechanical durability | 10,000 cycles | |
| Power loss | 47 W per pole at rated operating conditions | |
| Dimensions (H × W × D) | approx. 268 × 280 × 154 mm | |
| Weight | approx. 12.5 kg |
Frequently Asked Questions
What is the ABB 1SDA062879R1 used for?
The ABB 1SDA062879R1 is used to protect high-current low-voltage electrical distribution systems against overloads, short circuits and earth faults.
What is the rated current of this MCCB?
This moulded case circuit breaker has a 1250 A rated current.
What trip unit is fitted to the ABB 1SDA062879R1?
It is fitted with an ABB PR332/P LSIG electronic release, providing Long-time, Short-time, Instantaneous and Ground Fault protection functions.
How many poles does this breaker have?
The 1SDA062879R1 is a four-pole circuit breaker.
Where is this breaker typically installed?
It is typically installed in low-voltage switchboards, industrial distribution panels, commercial electrical systems and high-current feeder circuits.
Trusted by Electrical Engineers Worldwide
ABB SACE Tmax moulded case circuit breakers are widely trusted by electrical engineers, panel builders and industrial operators for dependable circuit protection, advanced electronic trip functionality and reliable performance in demanding low-voltage power distribution applications.
