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1SDA055763R1 ABB E1N 1600 PR122/P-LI 1600 A 3-Pole Fixed Air Circuit Breaker
ABB 1SDA055763R1 E1N 1600 PR122/P-LI is a 1600 A three-pole fixed SACE Emax air circuit breaker with rear horizontal terminals and a PR122/P-LI electronic overcurrent release for low-voltage power distribution protection.
£7,630.61
Why Choose the ABB E1N 1600 PR122/P-LI Air Circuit Breaker?
The ABB E1N 1600 PR122/P-LI, order code 1SDA055763R1, is a robust 1600 A three-pole air circuit breaker designed for protection and switching in low-voltage power distribution systems. As part of the ABB SACE Emax series, this fixed circuit breaker combines dependable high-current switching with the advanced PR122/P-LI electronic overcurrent release for industrial and commercial electrical installations.
The PR122/P-LI electronic trip unit provides long-time overload and instantaneous short-circuit protection. Its electronic protection technology enables accurate circuit protection and dependable operation in demanding distribution systems, helping safeguard cables, busbars and connected electrical equipment against damaging overcurrents.
With a rated current of 1600 A, a three-pole fixed configuration and rear horizontal terminals, the E1N 1600 is designed for integration into low-voltage switchboards and power distribution assemblies. This version is equipped with a PR122/P-LI R1600 overcurrent release, four auxiliary contacts and circuit-breaker open/closed position indication.
Key Advantages
- Heavy-duty 1600 A air circuit breaker for low-voltage power distribution.
- PR122/P-LI electronic overcurrent release for precise circuit protection.
- Provides long-time overload and instantaneous short-circuit protection.
- Three-pole fixed construction for permanent switchboard installation.
- Rear horizontal terminals support practical integration with switchboard busbar systems.
- Four auxiliary contacts support remote signalling and control functions.
Key Features
- ABB SACE Emax E1N series.
- 1600 A rated current.
- Three-pole configuration.
- Fixed-mounted circuit breaker.
- PR122/P-LI R1600 electronic overcurrent release.
- Long-time and instantaneous protection functions.
- Rear horizontal terminals.
- Four auxiliary contacts.
- Open/closed circuit-breaker position indication.
Reliable Protection for Low-Voltage Power Distribution
Air circuit breakers such as the ABB SACE Emax E1N provide switching and overcurrent protection for high-current low-voltage distribution circuits. Electronic trip technology enables dependable protection against overloads and short circuits while supporting coordinated protection throughout industrial power distribution systems.
The PR122/P-LI release combines long-time overload protection with instantaneous short-circuit protection. Together with the robust fixed E1N construction, this makes the breaker suitable for switchboards where reliable high-current protection, operational continuity and straightforward integration are important.
Typical Applications
- Industrial low-voltage switchboards.
- Main power distribution panels.
- Manufacturing and process plants.
- Commercial and infrastructure power distribution.
- Transformer secondary distribution systems.
- High-current feeder and distribution circuit protection.
Technical Specifications
| Series | SACE Emax E1N |
|---|---|
| ABB order code | 1SDA055763R1 |
| Product type | Air circuit breaker |
| Rated current | 1600 A |
| Number of poles | 3 |
| Mounting type | Fixed |
| Terminal arrangement | Rear horizontal |
| Trip unit | PR122/P-LI R1600 |
| Protection functions | LI – long-time overload and instantaneous short-circuit protection |
| Auxiliary contacts | 4 |
| Position indication | Circuit breaker open / closed |
Frequently Asked Questions
What is the ABB 1SDA055763R1 used for?
It is a 1600 A air circuit breaker designed for switching and overcurrent protection in low-voltage industrial and commercial power distribution systems.
What is the rated current of the ABB E1N 1600 PR122/P-LI?
The circuit breaker has a rated current of 1600 A.
What protection functions does the PR122/P-LI provide?
The PR122/P-LI electronic release provides long-time overload and instantaneous short-circuit protection.
Is the ABB 1SDA055763R1 fixed or withdrawable?
This model is a fixed three-pole circuit breaker equipped with rear horizontal terminals.
What signalling features are fitted to this circuit breaker?
The breaker is fitted with four auxiliary contacts and open/closed position indication for integration with monitoring, signalling and control systems.
Trusted ABB Power Distribution Technology
ABB SACE Emax air circuit breakers are engineered for reliable switching and protection in demanding low-voltage power distribution systems, combining robust construction with electronic overcurrent protection for industrial and infrastructure applications.
