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1SDA057567R1 ABB E3H-A 1200 PR121/P-LSIG 1200 A 3-Pole Air Circuit Breaker
ABB 1SDA057567R1 is a SACE Emax E3H-A 1200 A three-pole air circuit breaker with a PR121/P-LSIG electronic release providing long-time, short-time, instantaneous and ground-fault protection for demanding low-voltage power distribution systems.
£9,498.59
Why Choose the ABB 1SDA057567R1 E3H-A 1200 Circuit Breaker?
The ABB 1SDA057567R1 is a high-performance SACE Emax E3H-A air circuit breaker designed for reliable protection and switching in high-current low-voltage electrical distribution systems. Rated at 1200 A, this three-pole breaker incorporates a PR121/P-LSIG electronic overcurrent release providing long-time, short-time, instantaneous and ground-fault protection.
As part of the proven ABB SACE Emax series, the E3H-A 1200 combines robust air circuit breaker technology with electronic protection for industrial switchboards, power distribution panels and critical electrical infrastructure. The E3H-A performance class is intended for applications requiring strong short-circuit performance and dependable protection of important distribution circuits.
The PR121/P-LSIG release extends protection beyond conventional overload and short-circuit functions by incorporating ground-fault protection. This combination helps protect cables, busbars, transformers and other distribution equipment while supporting coordinated protection across complex industrial electrical networks.
Key Advantages
- Heavy-duty ABB SACE Emax E3H-A air circuit breaker for demanding low-voltage distribution systems.
- 1200 A rated current for substantial industrial and commercial electrical loads.
- PR121/P-LSIG electronic trip unit for comprehensive overcurrent and earth-fault protection.
- Provides long-time, short-time, instantaneous and ground-fault protection.
- Three-pole configuration for three-phase power distribution systems.
- Electronic protection helps safeguard cables, busbars and connected distribution equipment.
- High-performance E3H-A platform for demanding switchboard applications.
- Suitable for main incomer, feeder and critical power distribution protection.
Key Features
- ABB SACE Emax E3H-A series.
- 1200 A rated current.
- Three-pole air circuit breaker.
- PR121/P-LSIG electronic overcurrent release.
- Long-time (L) overload protection.
- Short-time (S) short-circuit protection.
- Instantaneous (I) short-circuit protection.
- Ground-fault (G) protection.
- Electronic trip technology for accurate and repeatable circuit protection.
- Designed for high-current low-voltage power distribution systems.
Comprehensive Protection for High-Current Power Distribution
Air circuit breakers such as the ABB SACE Emax E3H-A protect low-voltage distribution systems against overloads and short circuits while providing controlled switching and isolation. Their robust construction and high-current capability make them suitable for main distribution boards, industrial switchgear and critical electrical installations where dependable protection is essential.
The PR121/P-LSIG electronic release provides four principal protection functions: long-time protection against sustained overloads, short-time protection for coordinated short-circuit response, instantaneous protection against severe fault currents and ground-fault protection for earth-fault conditions. This comprehensive protection package makes the E3H-A 1200 well suited to demanding power distribution networks.
Typical Applications
- Main low-voltage electrical distribution boards.
- Industrial power distribution systems.
- Factory and manufacturing switchgear.
- Commercial and infrastructure electrical installations.
- Transformer secondary protection and distribution.
- High-current feeder protection.
- Power control centres and switchboards.
- Critical distribution systems requiring ground-fault protection.
Technical Specifications
| Series | SACE Emax |
|---|---|
| ABB order code | 1SDA057567R1 |
| Product group | 310513-New Emax |
| Product type | Air circuit breaker |
| Performance class | E3H-A |
| Rated current | 1200 A |
| Number of poles | 3 |
| Trip unit | PR121/P-LSIG |
| Release rating | 1200 A |
| Protection functions | L (long-time), S (short-time), I (instantaneous) and G (ground fault) |
| Release technology | Electronic |
| Application | Low-voltage power distribution |
Frequently Asked Questions
What is the ABB 1SDA057567R1 used for?
The ABB 1SDA057567R1 is a SACE Emax E3H-A air circuit breaker used for switching and comprehensive overcurrent protection in high-current low-voltage electrical distribution systems.
What is the rated current of the ABB E3H-A 1200?
This air circuit breaker has a rated current of 1200 A, making it suitable for substantial industrial and commercial electrical loads.
Which trip unit is fitted to the ABB 1SDA057567R1?
The breaker is fitted with an ABB PR121/P-LSIG electronic overcurrent release rated for the 1200 A configuration.
What protection functions does the PR121/P-LSIG provide?
The PR121/P-LSIG provides long-time, short-time, instantaneous and ground-fault protection, giving the circuit breaker comprehensive protection against overload, short-circuit and earth-fault conditions.
Where is the ABB E3H-A 1200 typically used?
The E3H-A 1200 is typically used in industrial switchboards, main distribution panels, power control centres, transformer secondary systems and high-current feeder circuits.
Trusted ABB Power Distribution Technology
ABB SACE Emax circuit breakers are engineered for dependable protection, switching and control in demanding low-voltage power distribution systems, providing robust performance for industrial switchboards and critical electrical infrastructure.
