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1SDA057453R1 ABB E3S-A 1200 PR122/P-LSIG 1200A 3P Air Circuit Breaker
ABB 1SDA057453R1 E3S-A 1200 PR122/P-LSIG is a 1200 A three-pole SACE Emax air circuit breaker with long-time, short-time, instantaneous and ground-fault electronic protection for demanding low-voltage distribution systems.
£9,140.03
Why Choose the ABB E3S-A 1200 PR122/P-LSIG 1200A 3P Air Circuit Breaker?
The ABB E3S-A 1200 PR122/P-LSIG, order code 1SDA057453R1, is a high-performance SACE Emax air circuit breaker (ACB) designed for protection, switching and isolation in demanding low-voltage power distribution systems. Built on the ABB E3S-A platform, this three-pole breaker has a rated current of 1200 A and is suited to industrial, commercial and infrastructure distribution circuits.
The breaker is equipped with an ABB PR122/P-LSIG electronic overcurrent release. Its LSIG protection functions provide long-time overload, short-time short-circuit, instantaneous short-circuit and ground-fault protection, helping safeguard cables, busbars, switchgear and connected equipment against a comprehensive range of electrical fault conditions.
With its three-pole configuration, 1200 A rated current and S performance level, the E3S-A 1200 PR122/P-LSIG provides comprehensive electronic protection for important low-voltage distribution circuits. It is particularly suited to main incomers, distribution feeders and power distribution systems where coordinated overcurrent and ground-fault protection are required.
Key Advantages
- High-capacity 1200 A SACE Emax air circuit breaker for demanding distribution circuits.
- Three-pole configuration for three-phase low-voltage systems.
- Advanced PR122/P-LSIG electronic overcurrent release.
- LSIG functionality provides long-time, short-time, instantaneous and ground-fault protection.
- Short-time protection supports coordination with downstream protective devices.
- Ground-fault protection provides additional safeguarding against earth-fault conditions.
- S performance level for demanding power distribution applications.
- Suitable for main incomers, feeders and critical distribution circuits.
Key Features
- ABB SACE Emax E3S-A air circuit breaker.
- 1200 A rated current.
- Three-pole (3P) configuration.
- PR122/P-LSIG electronic protection release.
- Long-time (L) overload protection.
- Short-time (S) short-circuit protection.
- Instantaneous (I) short-circuit protection.
- Ground-fault (G) protection.
- S performance level.
- Electronic overcurrent protection for critical distribution circuits.
- Supports coordinated protection strategies within complex electrical networks.
- Designed for demanding industrial and commercial low-voltage distribution systems.
Advanced LSIG Protection for 1200A Power Distribution
The ABB SACE Emax E3S-A provides switching, isolation and electronic overcurrent protection for major low-voltage distribution circuits. The PR122/P-LSIG release provides dedicated protection against sustained overloads, short-time and instantaneous short circuits, and ground faults, helping protect electrical infrastructure and connected equipment.
The combination of 1200 A current capacity, S performance level and LSIG electronic protection makes the 1SDA057453R1 suitable for distribution systems where comprehensive protection and coordination are important. The short-time function supports selective operation within multi-level protection schemes, while the ground-fault function provides additional protection against earth-fault conditions.
Typical Applications
- Industrial low-voltage switchboards.
- Main incomer circuit protection.
- High-current distribution feeders.
- Manufacturing and process plants.
- Commercial building power distribution.
- Infrastructure electrical systems.
- Transformer secondary distribution.
- Power distribution centres and major switchgear assemblies.
Technical Specifications
| Series | SACE Emax |
|---|---|
| ABB order code | 1SDA057453R1 |
| Product group | 310513-New Emax |
| Product type | Air circuit breaker (ACB) |
| Frame / size | E3 |
| Performance level | S |
| Rated current (In) | 1200 A |
| Number of poles | 3P |
| Trip unit | PR122/P-LSIG electronic release |
| Protection functions | Long-time (L), short-time (S), instantaneous (I), ground fault (G) |
| Current type | AC |
Frequently Asked Questions
What is the ABB 1SDA057453R1 used for?
The ABB 1SDA057453R1 is a 1200 A three-pole SACE Emax air circuit breaker designed for protection, switching and isolation of demanding low-voltage power distribution circuits.
What trip unit is fitted to the ABB E3S-A 1200?
This circuit breaker is equipped with an ABB PR122/P-LSIG electronic release providing comprehensive electronic overcurrent and ground-fault protection.
What protection functions does PR122/P-LSIG provide?
The PR122/P-LSIG provides long-time overload, short-time short-circuit, instantaneous short-circuit and ground-fault protection.
What is the rated current of the ABB 1SDA057453R1?
The ABB E3S-A circuit breaker has a rated current of 1200 A and a three-pole configuration.
Where is the ABB E3S-A 1200 PR122/P-LSIG typically used?
The breaker is suited to main incomers, distribution feeders, industrial switchboards, transformer secondary distribution and power distribution centres requiring comprehensive LSIG electronic protection.
Trusted Power Distribution Protection from ABB
ABB SACE Emax air circuit breakers combine robust power switching with comprehensive electronic overcurrent and ground-fault protection for critical low-voltage distribution systems.
