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1sda062876r1 t7s 1250 pr331/p lsig in=1250a 4 pole abb mccb
ABB 1SDA062876R1 SACE Tmax T7S 1250 four-pole moulded case circuit breaker with PR331/P LSIG electronic trip unit, rated at 1250 A for industrial power distribution.
£7,744.35
Why Choose the ABB 1SDA062876R1 Tmax T7S Moulded Case Circuit Breaker?
The ABB 1SDA062876R1 is a high-performance Tmax T7S moulded case circuit breaker (MCCB) engineered to provide dependable protection for industrial power distribution systems, switchboards and critical electrical installations. As part of the proven ABB SACE Tmax T series, it delivers outstanding overload, short-circuit and earth fault protection for demanding low-voltage applications.
Equipped with the advanced PR331/P LSIG electronic trip unit, this circuit breaker offers adjustable Long-time, Short-time, Instantaneous and Ground Fault protection, allowing engineers to optimise discrimination and system selectivity. Its robust construction and high breaking capacity make it suitable for protecting valuable equipment while ensuring maximum operational continuity.
With a 1250 A rated current, four-pole configuration and 690 V AC operating voltage, the ABB 1SDA062876R1 is ideal for commercial buildings, industrial facilities, manufacturing plants and large electrical distribution systems where dependable protection is essential.
Key Advantages
- High-performance moulded case circuit breaker for industrial power distribution.
- 1250 A rated current for demanding electrical installations.
- PR331/P LSIG electronic trip unit with adjustable protection functions.
- Four-pole design provides complete protection including neutral switching.
- High short-circuit breaking capacity for enhanced system protection.
- Reliable ABB SACE Tmax design for long service life and dependable operation.
Key Features
- ABB SACE Tmax T7S moulded case circuit breaker.
- Product code: 1SDA062876R1.
- 1250 A rated uninterrupted current (In).
- Four-pole fixed version.
- Front terminal connections.
- Lever operating mechanism.
- PR331/P LSIG electronic protection release.
- Suitable for panel and switchboard installation.
Reliable Protection for Industrial Power Distribution
The ABB Tmax T7S range is designed to protect electrical distribution systems against overloads, short circuits and earth faults while maintaining maximum service continuity. Electronic trip units allow engineers to fine tune protection settings, improving coordination with upstream and downstream protection devices.
The integrated PR331/P LSIG release enables advanced protection and selective coordination, making the breaker suitable for critical industrial installations, power distribution panels, infrastructure projects and large commercial facilities where reliability and uptime are essential.
Typical Applications
- Main incoming switchboards.
- Industrial power distribution systems.
- Commercial electrical installations.
- Manufacturing and processing facilities.
- Critical infrastructure projects.
- Motor control centres and distribution panels.
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 PR331/P LSIG In=1250A 4P F F | |
| Product code | 1SDA062876R1 | |
| Product type | Moulded Case Circuit Breaker (MCCB) | |
| Rated current (In) | 1250 A | |
| Number of poles | 4 | |
| Rated operational voltage | Up to 690 V AC | |
| Rated insulation voltage (Ui) | 1000 V | |
| Rated impulse withstand voltage (Uimp) | 8 kV | |
| Breaking capacity (Icu) | Up to 85 kA at 220/230 V AC, 50 kA at 400/415 V AC | |
| Trip unit | PR331/P LSIG electronic release | |
| Protection functions | Long-time, Short-time, Instantaneous and Ground Fault (LSIG) | |
| Mounting type | Fixed | |
| Terminal type | Front terminals | |
| Protection rating | IP20 | |
| Dimensions (H × W × D) | Approx. 268 × 280 × 154 mm | |
| Weight | Approx. 12.5 kg |
Frequently Asked Questions
What is the ABB 1SDA062876R1 used for?
It is a four-pole moulded case circuit breaker designed to protect industrial and commercial electrical distribution systems against overloads, short circuits and earth faults.
What trip unit is fitted to this circuit breaker?
The breaker is fitted with an advanced ABB PR331/P LSIG electronic trip unit providing adjustable Long-time, Short-time, Instantaneous and Ground Fault protection.
What is the rated current of this breaker?
The ABB 1SDA062876R1 has a 1250 A rated current.
How many poles does this MCCB have?
This model features a four-pole (4P) configuration for complete circuit protection.
Where is this breaker typically installed?
It is commonly installed within industrial switchboards, electrical distribution panels and commercial power systems requiring high-performance circuit protection.
Trusted by Electrical Engineers Worldwide
ABB SACE Tmax moulded case circuit breakers are trusted worldwide for delivering dependable protection, advanced electronic trip functionality and long-term reliability across industrial, commercial and infrastructure applications.
