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1SDA057939R1 ABB E4H-A 3600 PR123/P-LSIG 3600 A 3-Pole Fixed Air Circuit Breaker
ABB 1SDA057939R1 is a SACE New Emax E4H-A 3600 three-pole fixed air circuit breaker rated at 3600 A with horizontal rear terminals and a PR123/P-LSIG electronic overcurrent release.
£31,286.14
Why Choose the ABB E4H-A 3600 PR123/P-LSIG Air Circuit Breaker?
The ABB E4H-A 3600 PR123/P-LSIG, order code 1SDA057939R1, is a high-performance SACE Emax air circuit breaker designed for protection and switching in demanding low-voltage power distribution systems. Rated at 3600 A, this three-pole breaker combines the E4H-A frame with ABB's advanced PR123/P-LSIG electronic overcurrent release for comprehensive protection of high-current electrical circuits.
As part of the ABB SACE New Emax range, the E4H-A is engineered for industrial switchboards, power distribution assemblies and infrastructure installations requiring high current capacity and robust fault interruption. This configuration is a fixed (F) circuit breaker with horizontal rear (HR) terminals, providing a robust permanent connection arrangement for integration into low-voltage switchgear.
The E4H-A 3600 has a frame and rated current of 3600 A, a three-pole configuration, a short-circuit current rating of 85 kA at 480 V and a short-time current rating of 85 kA. Its PR123/P-LSIG electronic trip unit provides long-time, short-time, instantaneous and ground-fault protection, supporting selective and comprehensive protection of critical distribution circuits.
Key Advantages
- Heavy-duty 3600 A air circuit breaker for high-current power distribution.
- PR123/P-LSIG electronic trip unit provides comprehensive overcurrent and ground-fault protection.
- Three-pole configuration for three-phase electrical distribution systems.
- Fixed execution provides robust permanent installation within switchgear assemblies.
- Horizontal rear terminals support practical integration with switchboard busbars.
- 85 kA short-circuit current rating at 480 V for demanding distribution applications.
- Part of the proven ABB SACE New Emax air circuit breaker platform.
Key Features
- ABB SACE New Emax E4H-A 3600 air circuit breaker.
- 3600 A rated current.
- 3-pole configuration.
- PR123/P-LSIG electronic overcurrent release.
- LSIG protection functions: long-time, short-time, instantaneous and ground-fault protection.
- Fixed (F) circuit-breaker execution.
- Horizontal rear (HR) terminals.
- 85 kA short-circuit current rating at 480 V.
- 85 kA short-time current rating.
- Designed for high-current low-voltage switchgear and power distribution assemblies.
Reliable Protection for High-Current Power Distribution
Air circuit breakers such as the ABB SACE New Emax E4H-A protect low-voltage electrical systems against damaging overload, short-circuit and ground-fault conditions. The PR123/P-LSIG electronic release combines long-time overload, short-time selective, instantaneous short-circuit and ground-fault protection, allowing multiple protection functions to be coordinated within a single breaker.
The fixed construction and horizontal rear terminals make this E4H-A configuration suitable for permanent integration into industrial switchboards and power distribution assemblies. Its 3600 A current rating, 85 kA short-circuit rating at 480 V and comprehensive LSIG protection make it well suited to demanding industrial, commercial and infrastructure electrical systems.
Typical Applications
- Industrial low-voltage switchboards.
- Main incoming and distribution circuit protection.
- Power distribution centres and switchgear assemblies.
- Manufacturing and process plants.
- Commercial and infrastructure power distribution.
- High-current three-phase electrical distribution systems.
Technical Specifications
| Series | SACE New Emax |
|---|---|
| Order code / MPN | 1SDA057939R1 |
| Product type | Air circuit breaker |
| Frame | E4H-A 3600 |
| Frame size | 3600 A |
| Rated current (In) | 3600 A |
| Number of poles | 3 |
| Trip unit | PR123/P-LSIG |
| Release type | Electronic |
| Protection functions | Long-time (L), short-time (S), instantaneous (I) and ground fault (G) |
| Execution | Fixed (F) |
| Terminal arrangement | Horizontal rear (HR) |
| Short-circuit current rating at 480 V | 85 kA |
| Short-time current rating | 85 kA |
| Application | Low-voltage power distribution and switchgear |
| ABB product group | 310513-New Emax |
Frequently Asked Questions
What is the ABB 1SDA057939R1?
The ABB 1SDA057939R1 is a SACE New Emax E4H-A 3600 three-pole fixed air circuit breaker rated at 3600 A and equipped with a PR123/P-LSIG electronic overcurrent release.
What is the rated current of the ABB E4H-A 3600 PR123/P-LSIG?
The breaker has a rated current of 3600 A, making it suitable for high-current low-voltage power distribution applications.
What protection functions does the PR123/P-LSIG trip unit provide?
The PR123/P-LSIG provides long-time overload, short-time, instantaneous short-circuit and ground-fault protection.
How many poles does ABB 1SDA057939R1 have?
The ABB 1SDA057939R1 has a three-pole configuration intended for three-phase low-voltage power distribution systems.
Is ABB 1SDA057939R1 a fixed or withdrawable breaker?
The 1SDA057939R1 is a fixed (F) E4H-A 3600 circuit breaker with horizontal rear terminals for permanent installation within a switchgear assembly.
What is the short-circuit rating of ABB 1SDA057939R1?
The E4H-A 3600 configuration has a short-circuit current rating of 85 kA at 480 V and a short-time current rating of 85 kA.
Trusted by Power Distribution Professionals Worldwide
ABB SACE New Emax air circuit breakers are designed for demanding low-voltage power distribution applications, combining robust switching performance, advanced electronic protection and high fault-interruption capability for industrial and infrastructure systems.
