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1SDA060959R1 ABB E1N-A 1200 PR122/P-LI 1200 A 3-Pole Fixed Air Circuit Breaker
ABB 1SDA060959R1 E1N-A 1200 is a 1200 A three-pole fixed SACE Emax air circuit breaker with horizontal rear terminals, a PR122/P electronic overcurrent release and LI protection for low-voltage power distribution.
£6,848.48
Why Choose the ABB 1SDA060959R1 E1N-A 1200 Air Circuit Breaker?
The ABB 1SDA060959R1 is a robust E1N-A 1200 air circuit breaker (ACB) designed for protection and switching in demanding low-voltage power distribution systems. As part of the proven ABB SACE Emax series, this three-pole fixed circuit breaker combines a 1200 A rated current with the PR122/P electronic overcurrent release for dependable protection of industrial and commercial electrical installations.
The breaker is equipped with an ABB PR122/P electronic trip unit with LI protection functions, providing long-time overload and instantaneous short-circuit protection. Its fixed construction incorporates horizontal rear terminals for switchboard connection, while four auxiliary contacts and open/closed position indication support breaker status monitoring and control.
With its E1N-A performance level, three-pole construction and 1200 A frame rating, the 1SDA060959R1 is suitable for substantial incoming and feeder duties. The E1N-A 1200 platform provides a 50 kA short-circuit current rating at 480 V and a 50 kA short-time current rating, while the R1200 release carries an Im 18000 A designation.
Key Advantages
- Reliable 1200 A air circuit breaker for low-voltage power distribution.
- PR122/P electronic trip unit for advanced electronic circuit protection.
- LI protection functions provide long-time overload and instantaneous short-circuit protection.
- Three-pole fixed configuration for permanent switchboard installation.
- Horizontal rear terminals for integration into compatible distribution assemblies.
- 50 kA short-circuit current rating at 480 V for the E1N-A 1200 platform.
- Includes four auxiliary contacts and open/closed position indication.
Key Features
- ABB SACE Emax E1N-A 1200 air circuit breaker.
- 1200 A rated current.
- 3-pole configuration.
- Fixed circuit-breaker execution.
- Horizontal rear terminals.
- PR122/P electronic overcurrent release.
- LI protection for long-time overload and instantaneous short-circuit faults.
- R1200 overcurrent release rating.
- Im 18000 A designation.
- 50 kA short-circuit current rating at 480 V.
- 50 kA short-time current rating.
Reliable Protection for Low-Voltage Power Distribution
Air circuit breakers such as the ABB E1N-A 1200 provide switching and protection for high-current low-voltage distribution circuits. They are commonly used for incoming, feeder and distribution duties where dependable interruption of overload and short-circuit faults is essential for maintaining electrical system safety and continuity of service.
The PR122/P electronic trip unit monitors circuit current and initiates breaker operation when configured protection thresholds are exceeded. Combined with the fixed SACE Emax construction, horizontal rear terminals and E1N-A performance level, the 1SDA060959R1 provides a dependable solution for industrial switchboards and high-current distribution assemblies.
Typical Applications
- Low-voltage main distribution switchboards.
- Industrial power distribution systems.
- Incoming and feeder circuit protection.
- Manufacturing and process plant electrical systems.
- Commercial and infrastructure power distribution.
- Fixed high-current switchgear assemblies.
Technical Specifications
| Series | SACE Emax |
|---|---|
| ABB order code | 1SDA060959R1 |
| ABB product group | 310513-New Emax |
| Product type | Air circuit breaker |
| Rated current | 1200 A |
| Frame size | 1200 A |
| Number of poles | 3 |
| Execution | Fixed |
| Terminal arrangement | Horizontal rear terminals |
| Trip unit | PR122/P electronic overcurrent release |
| Trip unit rating | R1200 |
| Protection functions | LI (long-time and instantaneous) |
| Instantaneous designation | Im 18000 A |
| Short-circuit current rating at 480 V | 50 kA |
| Short-time current rating | 50 kA |
| Auxiliary contacts | 4 |
| Position indication | Open / closed |
| Configuration | UL |
| EAN | 8015644634827 |
| Weight | 40 kg |
Frequently Asked Questions
What is the ABB 1SDA060959R1 used for?
The ABB 1SDA060959R1 is a 1200 A fixed air circuit breaker used for switching and protecting high-current low-voltage power distribution circuits in industrial and commercial electrical systems.
What is the rated current of the ABB E1N-A 1200?
This circuit breaker has a rated current and frame size of 1200 A.
Which trip unit is fitted to the 1SDA060959R1?
The breaker is fitted with an ABB PR122/P electronic overcurrent release with an R1200 rating and LI protection functions.
What protection functions does this breaker provide?
The PR122/P configuration provides LI protection, comprising long-time overload protection and instantaneous short-circuit protection.
What type of terminals does the ABB 1SDA060959R1 use?
The 1SDA060959R1 is a fixed three-pole breaker with horizontal rear terminals for connection within compatible low-voltage switchgear assemblies.
Trusted ABB Power Distribution Technology
ABB SACE Emax air circuit breakers are engineered for dependable protection, switching and control in demanding low-voltage power distribution systems, combining robust construction, high-current capability and advanced electronic protection technology.
