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1SDA057611R1 ABB E3H-A 1600 PR122/P-LSIG 1600 A 3P Air Circuit Breaker
ABB 1SDA057611R1 is a SACE Emax E3H-A 1600 A three-pole fixed air circuit breaker with rear horizontal terminals and a PR122/P-LSIG R1600 electronic overcurrent release for comprehensive low-voltage power-distribution protection.
£10,011.66
Why Choose the ABB 1SDA057611R1 E3H-A 1600 Air Circuit Breaker?
The ABB 1SDA057611R1 is a high-performance SACE Emax E3H-A 1600 air circuit breaker designed for protection and switching in demanding low-voltage power-distribution systems. This UL three-pole fixed circuit breaker has a rated current of 1600 A and incorporates the advanced PR122/P-LSIG R1600 electronic overcurrent release for comprehensive circuit protection.
As part of the ABB SACE Emax family, the E3H-A combines robust high-current switching with electronic protection against overload, short-circuit and ground-fault conditions. The PR122/P-LSIG release provides long-time, short-time, instantaneous and ground-fault protection functions, supporting selective and dependable protection of critical industrial and commercial electrical distribution networks.
This specific version is a three-pole fixed breaker with rear horizontal terminals. It is supplied with four auxiliary contacts and circuit-breaker open/closed position indication, while the R1600 protection release has an instantaneous reference current of 24,000 A.
Key Advantages
- High-performance ABB SACE Emax air circuit breaker for demanding power-distribution applications.
- 1600 A rated current for high-current electrical systems.
- Three-pole fixed configuration for three-phase distribution networks.
- Advanced PR122/P-LSIG R1600 electronic overcurrent release.
- LSIG protection provides long-time, short-time, instantaneous and ground-fault functions.
- Rear horizontal terminals support practical switchboard integration.
- Supplied with four auxiliary contacts for signalling and control.
- Open/closed circuit-breaker position indication supports operational monitoring.
Key Features
- ABB SACE Emax E3H-A 1600 air circuit breaker.
- 1600 A rated current.
- Three poles.
- Fixed execution.
- Rear horizontal terminals.
- PR122/P-LSIG R1600 electronic trip unit.
- Long-time (L) overload protection.
- Short-time (S) short-circuit protection.
- Instantaneous (I) short-circuit protection.
- Ground-fault (G) protection.
- 24,000 A instantaneous reference current.
- Four auxiliary contacts.
- Circuit-breaker open/closed position indication.
- UL configuration for low-voltage power-distribution applications.
Reliable Circuit Protection for High-Current Power Distribution
Air circuit breakers protect low-voltage power systems by interrupting current when overloads, short circuits or other abnormal electrical conditions occur. Accurate electronic protection helps safeguard cables, busbars, transformers and connected equipment while supporting selective coordination and continuity throughout the electrical distribution network.
The ABB PR122/P-LSIG release provides comprehensive LSIG protection for demanding electrical systems. Combined with the fixed E3H-A construction, rear horizontal terminals and integrated auxiliary signalling, the 1SDA057611R1 provides a robust solution for switchboards requiring dependable high-current protection and effective system monitoring.
Typical Applications
- Industrial low-voltage switchboards.
- Main incoming and distribution circuit protection.
- Power-distribution switchgear.
- Manufacturing and process-industry electrical systems.
- High-current three-phase distribution networks.
- Commercial and infrastructure power installations.
- Generator and transformer distribution systems.
- Plant distribution boards requiring advanced LSIG protection.
Technical Specifications
| Series | SACE Emax |
|---|---|
| ABB order code | 1SDA057611R1 |
| Product type | Air circuit breaker |
| Frame | E3H-A 1600 |
| Rated current | 1600 A |
| Number of poles | 3 |
| Current type | AC |
| Execution | Fixed |
| Terminal arrangement | Rear horizontal |
| Trip unit | PR122/P-LSIG R1600 |
| Protection functions | Long-time, short-time, instantaneous and ground fault (LSIG) |
| Instantaneous reference current | 24,000 A |
| Auxiliary contacts | 4 |
| Position indication | Circuit breaker open / closed |
| Electrical durability | 10,000 cycles |
| Mechanical durability | 15,000 cycles |
| Maximum operating rate | 30 cycles per hour |
| Power loss at rated operating conditions | 85 W per pole |
| Dimensions (W × H × D) | 404 × 418 × 302 mm |
| Net weight | 60 kg |
| EAN | 8015644598747 |
Frequently Asked Questions
What is the ABB 1SDA057611R1?
The ABB 1SDA057611R1 is a SACE Emax E3H-A 1600 three-pole fixed air circuit breaker rated at 1600 A and equipped with a PR122/P-LSIG R1600 electronic overcurrent release.
What protection functions does the PR122/P-LSIG trip unit provide?
The PR122/P-LSIG provides long-time, short-time, instantaneous and ground-fault protection, commonly abbreviated as LSIG.
What is the rated current of the ABB 1SDA057611R1?
The circuit breaker has a rated current of 1600 A and uses a three-pole configuration for high-current three-phase low-voltage power distribution.
Is the ABB 1SDA057611R1 fixed or withdrawable?
The 1SDA057611R1 is a fixed E3H-A 1600 circuit breaker equipped with rear horizontal terminals.
Where is the ABB E3H-A 1600 typically used?
It is typically used in industrial switchboards, main distribution assemblies and other low-voltage power systems requiring dependable high-current circuit protection and advanced LSIG functionality.
Trusted by Electrical Distribution Professionals Worldwide
ABB SACE Emax air circuit breakers are engineered for dependable protection and switching in demanding low-voltage power-distribution systems, combining robust high-current performance with advanced electronic protection and flexible switchgear integration.
