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1SDA056436R1 ABB E3H2000 PR122/P-LSI 2000A 3-Pole Fixed Air Circuit Breaker
ABB 1SDA056436R1 is a SACE Emax E3H2000 2000 A three-pole fixed air circuit breaker with rear horizontal terminals and a PR122/P-LSI R2000 electronic overcurrent release for advanced low-voltage power distribution protection.
£13,177.31
Why Choose the ABB E3H2000 PR122/P-LSI 2000A Air Circuit Breaker?
The ABB 1SDA056436R1 is a high-performance SACE Emax E3H air circuit breaker (ACB) designed for protection and switching of high-current low-voltage electrical distribution systems. Rated at 2000 A, this three-pole fixed circuit breaker incorporates ABB’s PR122/P-LSI R2000 electronic overcurrent release for advanced protection of industrial, commercial and infrastructure power networks.
As part of the ABB SACE Emax range, the E3H2000 combines high short-circuit performance with configurable electronic protection. The PR122/P-LSI trip unit provides long-time, short-time and instantaneous protection functions, helping safeguard electrical installations against overloads and short circuits while supporting selective protection strategies within low-voltage distribution systems.
The E3H2000 PR122/P-LSI has a rated current of 2000 A and is supplied as a three-pole fixed circuit breaker with rear horizontal terminals. The breaker is fitted with four auxiliary contacts and open/closed position indication, making it suitable for integration into high-current low-voltage switchboards and critical power distribution assemblies.
Key Advantages
- High-performance ABB SACE Emax air circuit breaker for low-voltage power distribution.
- 2000 A rated current for demanding industrial and commercial installations.
- PR122/P-LSI R2000 electronic overcurrent release for advanced circuit protection.
- LSI protection provides long-time, short-time and instantaneous protection functions.
- Three-pole fixed construction for robust switchboard installation.
- Rear horizontal terminals for integration into compatible power distribution assemblies.
- Four auxiliary contacts provide circuit-breaker open/closed status indication.
Key Features
- ABB SACE Emax E3H2000 air circuit breaker.
- 2000 A rated current.
- Three-pole fixed configuration.
- PR122/P-LSI R2000 electronic overcurrent release.
- Long-time overload protection.
- Short-time short-circuit protection.
- Instantaneous short-circuit protection.
- High-breaking-capacity E3H construction for demanding distribution systems.
- Rear horizontal main terminals.
- Four auxiliary contacts.
- Circuit-breaker open/closed position indication.
- Designed for high-current low-voltage switchboards and power distribution systems.
Advanced Circuit Protection for Power Distribution
Air circuit breakers such as the ABB SACE Emax E3H2000 provide switching, isolation and protection for high-current low-voltage distribution circuits. Their high-breaking-capacity construction makes them suitable for demanding switchboard applications where reliable interruption of substantial fault currents is essential for protecting cables, electrical equipment and downstream distribution systems.
The PR122/P-LSI electronic trip unit provides long-time overload, short-time short-circuit and instantaneous short-circuit protection. This combination enables effective coordination of protection within complex electrical networks, making the 1SDA056436R1 particularly suitable for main incomers, feeders and other critical high-current distribution circuits.
Typical Applications
- Low-voltage main distribution switchboards.
- Industrial power distribution systems.
- Main incomer and feeder circuit protection.
- Manufacturing and process plants.
- Commercial and infrastructure electrical installations.
- Power distribution centres and fixed switchgear assemblies.
Technical Specifications
| Product group | 310513-New Emax |
|---|---|
| Series | SACE Emax |
| Order code / MPN | 1SDA056436R1 |
| Product type | Air circuit breaker |
| Frame | E3H |
| Rated current | 2000 A |
| Overcurrent release rating | R2000 |
| Number of poles | 3 |
| Execution | Fixed |
| Trip unit | PR122/P-LSI electronic overcurrent release |
| Protection functions | Long-time, short-time and instantaneous (LSI) |
| Main terminal arrangement | Rear horizontal |
| Auxiliary contacts | 4 |
| Position indication | Circuit breaker open/closed |
| EAN | 8015644577766 |
| HS code | 85362090 |
| Weight | approx. 72 kg |
Frequently Asked Questions
What is the ABB 1SDA056436R1 used for?
The ABB 1SDA056436R1 is a SACE Emax E3H2000 air circuit breaker used for switching and protecting high-current low-voltage electrical distribution circuits in industrial, commercial and infrastructure installations.
What is the rated current of the ABB E3H2000 1SDA056436R1?
The circuit breaker has a rated current of 2000 A and is equipped with a PR122/P-LSI R2000 electronic overcurrent release.
What protection functions does the PR122/P-LSI trip unit provide?
The PR122/P-LSI electronic overcurrent release provides long-time overload, short-time short-circuit and instantaneous short-circuit protection.
Is the ABB 1SDA056436R1 fixed or withdrawable?
The 1SDA056436R1 is a three-pole fixed air circuit breaker with rear horizontal main terminals for integration into compatible low-voltage switchboards.
Does the ABB 1SDA056436R1 include auxiliary contacts?
Yes. The circuit breaker is fitted with four auxiliary contacts together with circuit-breaker open/closed position indication.
Trusted ABB Protection for Critical Power Systems
ABB SACE Emax air circuit breakers are designed for dependable protection and switching in demanding low-voltage power distribution systems, combining high-current performance with advanced electronic protection for industrial, commercial and infrastructure installations.
