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1SDA060951R1 ABB E1N-A 1200 PR121/P-LSI 1200A 3P Air Circuit Breaker
ABB 1SDA060951R1 E1N-A 1200 is a three-pole fixed 1200 A SACE Emax air circuit breaker with rear horizontal terminals and a PR121/P-LSI electronic overcurrent release for low-voltage power-distribution protection.
£7,275.86
Why Choose the ABB E1N-A 1200 PR121/P-LSI 1200A 3P Air Circuit Breaker?
The ABB E1N-A 1200 PR121/P-LSI, order code 1SDA060951R1, is a high-performance SACE Emax air circuit breaker designed for protection and switching in low-voltage power-distribution systems. Rated at 1200 A, this three-pole circuit breaker combines the E1N-A frame with ABB's PR121/P-LSI electronic overcurrent release for dependable protection of industrial and commercial electrical networks.
This specific configuration is a fixed three-pole version with rear horizontal terminals. Its PR121/P-LSI R1200 release provides long-time, short-time and instantaneous protection functions, helping protect conductors, switchgear and connected equipment against overload and short-circuit conditions.
The E1N-A 1200 is supplied with four auxiliary contacts and circuit-breaker open/closed position indication, supporting integration into switchboard monitoring and control systems. Its fixed construction and rear horizontal terminals make it particularly suitable for permanent installation in compatible low-voltage switchboards and power-distribution assemblies.
Key Advantages
- High-performance ABB SACE Emax air circuit breaker for low-voltage distribution systems.
- 1200 A rated current for high-current industrial and commercial applications.
- PR121/P-LSI electronic overcurrent release for comprehensive overload and short-circuit protection.
- Long-time, short-time and instantaneous LSI protection functions.
- Three-pole fixed configuration for three-phase electrical distribution.
- Rear horizontal terminals support integration into compatible switchboard assemblies.
- Four auxiliary contacts provide useful breaker-status signalling.
Key Features
- ABB SACE Emax E1N-A circuit breaker.
- 1200 A rated current.
- Three-pole configuration.
- Fixed execution.
- Rear horizontal terminals.
- PR121/P-LSI electronic overcurrent release.
- R1200 rating plug.
- LSI protection: long-time, short-time and instantaneous functions.
- 18,000 A instantaneous protection reference for this configured release.
- Four auxiliary contacts fitted.
- Circuit-breaker open/closed position indication.
- UL configuration of the SACE Emax E1N-A platform.
Reliable Protection for Low-Voltage Power Distribution
Air circuit breakers such as the ABB SACE Emax E1N-A provide protection and switching for high-current low-voltage distribution circuits. The electronic release monitors current conditions and initiates breaker operation when configured protection thresholds are exceeded, helping prevent overloads and short circuits from damaging electrical equipment and distribution infrastructure.
The PR121/P-LSI release combines long-time protection for overload conditions with short-time and instantaneous protection against short-circuit currents. Together with the fixed breaker construction, rear horizontal connections and auxiliary status contacts, this E1N-A configuration provides a practical solution for permanently installed industrial switchboards.
Typical Applications
- Industrial low-voltage distribution switchboards.
- Main incoming circuit protection.
- High-current feeder protection.
- Manufacturing and process-industry electrical systems.
- Commercial and infrastructure power distribution.
- Low-voltage switchgear and distribution assemblies.
Technical Specifications
| Series | SACE Emax |
|---|---|
| ABB order code | 1SDA060951R1 |
| Product type | Air circuit breaker |
| Rated current | 1200 A |
| Number of poles | 3 |
| Execution | Fixed |
| Terminal arrangement | Rear horizontal |
| Trip unit | PR121/P-LSI electronic overcurrent release |
| Rating plug | R1200 |
| Protection functions | Long-time, short-time and instantaneous (LSI) |
| Instantaneous protection reference | 18,000 A |
| Auxiliary contacts | 4 |
| Status indication | Circuit breaker open / closed |
| Product configuration | UL |
| Product net weight | 40 kg |
| EAN | 8015644634742 |
Frequently Asked Questions
What is the ABB 1SDA060951R1?
The ABB 1SDA060951R1 is a SACE Emax E1N-A 1200 three-pole fixed air circuit breaker rated at 1200 A and equipped with a PR121/P-LSI electronic overcurrent release.
What protection functions does the PR121/P-LSI provide?
The PR121/P-LSI provides long-time, short-time and instantaneous protection functions for overload and short-circuit protection in low-voltage electrical distribution systems.
What is the rated current of the ABB E1N-A 1200?
This specific E1N-A configuration has a rated current of 1200 A and is fitted with an R1200 rating plug.
Is the ABB 1SDA060951R1 fixed or withdrawable?
The ABB 1SDA060951R1 is a fixed three-pole circuit breaker fitted with rear horizontal terminals.
Does the ABB 1SDA060951R1 include auxiliary contacts?
Yes. This configuration is fitted with four auxiliary contacts and includes circuit-breaker open/closed position indication for status monitoring.
Trusted Protection for Industrial Power Systems
ABB SACE Emax air circuit breakers provide dependable switching and electronic circuit protection for demanding low-voltage distribution systems, supporting safe and reliable operation across industrial, commercial and infrastructure installations.
