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1SDA057459R1 ABB E3S-A 1200 PR123/P-LSIG 1200A 3P Air Circuit Breaker
ABB 1SDA057459R1 E3S-A 1200 PR123/P-LSIG is a 1200 A three-pole SACE Emax air circuit breaker with advanced long-time, short-time, instantaneous and earth-fault electronic protection for demanding low-voltage power distribution systems.
£13,314.72
Why Choose the ABB E3S-A 1200 PR123/P-LSIG 1200A 3P Air Circuit Breaker?
The ABB E3S-A 1200 PR123/P-LSIG, order code 1SDA057459R1, is a high-performance SACE Emax air circuit breaker designed for switching and protection in demanding low-voltage power distribution systems. This E3S-A model has a rated current of 1200 A, three-pole construction and ABB's advanced PR123/P-LSIG electronic overcurrent release.
The PR123/P-LSIG trip unit provides long-time, short-time, instantaneous and earth-fault protection functions. This comprehensive LSIG protection helps safeguard cables, busbars, switchgear and connected equipment against overloads, short circuits and earth faults while supporting coordinated protection within complex electrical distribution networks.
As part of the ABB SACE Emax family, the E3S-A combines substantial short-circuit performance with sophisticated electronic protection. Its 1200 A current rating and three-pole configuration make it suitable for important three-phase distribution circuits including main incomers, bus couplers and high-current feeders.
Key Advantages
- High-performance 1200 A SACE Emax air circuit breaker for demanding low-voltage distribution.
- Three-pole configuration suitable for three-phase electrical systems.
- Advanced PR123/P-LSIG electronic trip unit for comprehensive circuit protection.
- LSIG protection covers overload, short-time, instantaneous and earth-fault conditions.
- E3S-A performance level suited to applications requiring substantial short-circuit capability.
- Suitable for coordinated protection of main incomers, feeders and bus-coupler circuits.
Key Features
- ABB SACE Emax E3S-A series.
- 1200 A rated current.
- Three-pole construction.
- PR123/P-LSIG electronic overcurrent release.
- Long-time overload protection.
- Short-time short-circuit protection.
- Instantaneous short-circuit protection.
- Earth-fault protection.
- Advanced electronic protection for coordinated distribution systems.
- Designed for high-current low-voltage AC power distribution.
Advanced Protection for High-Current Power Distribution
Air circuit breakers such as the ABB SACE Emax E3S-A provide controlled switching and protection for high-current low-voltage distribution circuits. The electronic trip unit monitors electrical conditions and initiates tripping when configured protection thresholds are exceeded, helping limit damage caused by overloads, short circuits and earth faults.
The PR123/P-LSIG release provides comprehensive LSIG protection for applications requiring sophisticated protection and coordination. Combined with the robust E3S-A platform, this makes 1SDA057459R1 suitable for critical distribution points where accurate fault detection, selective protection and continuity of electrical service are important.
Typical Applications
- Low-voltage power distribution switchboards.
- Industrial electrical distribution systems.
- Main incoming circuit protection.
- High-current feeder protection.
- Bus-coupler and distribution circuit protection.
- Commercial and infrastructure power systems.
Technical Specifications
| Series | SACE Emax |
|---|---|
| ABB order code | 1SDA057459R1 |
| Product group | 310513-New Emax |
| Product type | Air circuit breaker |
| Frame | E3 |
| Performance level | S-A |
| Rated current (In) | 1200 A |
| Number of poles | 3 |
| Current type | AC |
| Trip unit | PR123/P-LSIG |
| Release type | Electronic |
| Protection functions | Long-time, short-time, instantaneous and earth-fault (LSIG) |
| Application | Low-voltage power distribution |
Frequently Asked Questions
What is the ABB 1SDA057459R1 used for?
It is a 1200 A three-pole SACE Emax air circuit breaker designed for switching and protecting high-current low-voltage electrical distribution systems.
What trip unit is fitted to the ABB E3S-A 1200?
This model is fitted with the ABB PR123/P-LSIG electronic overcurrent release, providing comprehensive LSIG circuit protection.
What is the rated current of ABB 1SDA057459R1?
The ABB E3S-A circuit breaker has a rated current of 1200 A.
How many poles does the ABB E3S-A 1200 have?
The 1SDA057459R1 has a three-pole configuration designed for three-phase low-voltage electrical distribution systems.
What protection functions does the PR123/P-LSIG provide?
The PR123/P-LSIG provides long-time, short-time, instantaneous and earth-fault protection, collectively identified as LSIG protection.
Trusted by Power Distribution Professionals Worldwide
ABB SACE Emax air circuit breakers are engineered for dependable switching and protection in demanding low-voltage power distribution systems, combining robust construction with advanced electronic trip technology for accurate and coordinated circuit protection.
