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1SDA055679R1 ABB E1B 1600 PR123/P-LSIG 1600 A 4-Pole Air Circuit Breaker
ABB 1SDA055679R1 is a SACE Emax E1B 1600 A four-pole fixed air circuit breaker with a PR123/P-LSIG electronic overcurrent release for comprehensive low-voltage power distribution protection.
£16,504.47
Why Choose the ABB 1SDA055679R1 E1B 1600 Air Circuit Breaker?
The ABB 1SDA055679R1 is a high-performance SACE Emax E1B 1600 air circuit breaker designed for dependable protection and switching in low-voltage power distribution systems. This four-pole fixed circuit breaker is rated at 1600 A and incorporates ABB's advanced PR123/P-LSIG electronic overcurrent release for comprehensive circuit protection.
As part of the ABB SACE Emax range, the E1B 1600 combines high-current switching capability with electronic protection for demanding industrial and commercial electrical installations. The PR123/P-LSIG trip unit provides long-time, short-time, instantaneous and ground-fault protection functions, helping protect distribution equipment against overloads, short circuits and earth faults.
This configuration features a four-pole fixed design with horizontal rear terminals and a rated uninterrupted current of 1600 A. The E1B frame provides a rated ultimate short-circuit breaking capacity of 42 kA at 415 V AC and a short-time withstand current of 42 kA for 1 s, making it suitable for substantial low-voltage distribution systems.
Key Advantages
- Heavy-duty 1600 A SACE Emax air circuit breaker for low-voltage distribution.
- Four-pole configuration provides switching and protection across four conductors.
- Advanced PR123/P-LSIG electronic overcurrent release.
- LSIG functionality provides long-time, short-time, instantaneous and ground-fault protection.
- 42 kA ultimate breaking capacity at 415 V AC for demanding distribution applications.
- Fixed construction provides a robust solution for permanent switchboard installations.
Key Features
- ABB SACE Emax E1B 1600 circuit breaker platform.
- 1600 A rated uninterrupted current.
- Four-pole configuration.
- Fixed (F) circuit breaker version.
- PR123/P-LSIG electronic overcurrent release.
- Long-time, short-time, instantaneous and ground-fault protection functions.
- 42 kA Icu at 415 V AC.
- 42 kA short-time withstand current for 1 s.
- Horizontal rear terminals for switchboard connection.
- ABB order code 1SDA055679R1.
Advanced Protection for Low-Voltage Power Distribution
Air circuit breakers such as the ABB SACE Emax E1B are designed to switch and protect high-current low-voltage distribution circuits. By combining a robust breaker mechanism with an electronic protection unit, the circuit breaker can detect abnormal current conditions and interrupt the circuit before faults cause extensive damage to cables, busbars and connected equipment.
The PR123/P-LSIG release provides comprehensive protection through long-time, short-time, instantaneous and ground-fault functions. This combination makes the 1SDA055679R1 particularly suitable for main distribution and feeder protection where selective, configurable protection is required.
Typical Applications
- Main low-voltage switchboards and distribution boards.
- Industrial power distribution systems.
- Commercial and infrastructure electrical installations.
- Main incoming and feeder circuit protection.
- Manufacturing and process plant switchgear.
- High-current electrical distribution and control systems.
Technical Specifications
| Series | SACE Emax |
|---|---|
| Frame / model | E1B 1600 |
| Order code | 1SDA055679R1 |
| Product type | Air circuit breaker |
| Rated uninterrupted current (Iu) | 1600 A at 40 °C |
| Number of poles | 4 |
| Execution | Fixed (F) |
| Trip unit | PR123/P-LSIG |
| Protection functions | LSI + ground fault (LSIG) |
| Ultimate short-circuit breaking capacity (Icu) | 42 kA at 415 V AC |
| Short-time withstand current (Icw) | 42 kA for 1 s |
| Terminal arrangement | Horizontal rear terminals |
| ABB product group | 310513-New Emax |
Frequently Asked Questions
What is the ABB 1SDA055679R1?
The ABB 1SDA055679R1 is a SACE Emax E1B 1600 four-pole fixed air circuit breaker equipped with a PR123/P-LSIG electronic overcurrent release.
What is the current rating of the ABB 1SDA055679R1?
The circuit breaker has a rated uninterrupted current of 1600 A.
What protection functions does the PR123/P-LSIG trip unit provide?
The PR123/P-LSIG provides long-time, short-time, instantaneous and ground-fault protection functions for comprehensive low-voltage circuit protection.
How many poles does the 1SDA055679R1 have?
This ABB E1B 1600 circuit breaker is a four-pole configuration.
What is the breaking capacity of this E1B 1600 circuit breaker?
The E1B configuration has an ultimate short-circuit breaking capacity of 42 kA at 415 V AC and a short-time withstand current of 42 kA for 1 s.
Is the ABB 1SDA055679R1 fixed or withdrawable?
The 1SDA055679R1 is a fixed (F) version of the SACE Emax E1B 1600 circuit breaker.
Trusted by Electrical Engineers Worldwide
ABB SACE Emax air circuit breakers are engineered for reliable switching and protection in demanding low-voltage power distribution systems, providing robust performance and advanced electronic protection for industrial, commercial and infrastructure installations.
