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1SDA056464R1 ABB E3H2500 PR121/P-LI 2500A 3P Fixed Air Circuit Breaker
ABB 1SDA056464R1 E3H2500 is a 2500 A three-pole fixed SACE Emax air circuit breaker with rear horizontal terminals and a PR121/P-LI R2500 electronic release providing long-time and instantaneous protection for high-current low-voltage power distribution systems.
£16,565.60
Why Choose the ABB E3H2500 PR121/P-LI 2500A 3P Fixed Air Circuit Breaker?
The ABB E3H2500 PR121/P-LI, order code 1SDA056464R1, is a high-performance 2500 A three-pole fixed air circuit breaker from the ABB SACE Emax E3 series, designed for switching and protection in demanding low-voltage industrial and commercial power distribution systems. This E3H configuration combines robust fixed construction with the PR121/P-LI R2500 electronic overcurrent release.
The PR121/P-LI release provides long-time and instantaneous protection, helping protect cables, busbars, transformers and connected equipment against overload and high-level short-circuit conditions. Its electronic protection technology provides dependable operation for high-current distribution circuits while maintaining straightforward protection functionality.
With a rated current of 2500 A and a three-pole configuration, the E3H2500 is engineered for substantial three-phase distribution loads requiring reliable switching and high fault-clearing performance. The fixed breaker is equipped with rear horizontal terminals, four auxiliary contacts and circuit-breaker open/closed position indication for integration into low-voltage switchboards.
Key Advantages
- High-performance ABB SACE Emax E3H air circuit breaker.
- 2500 A rated current for high-current low-voltage distribution.
- Three-pole configuration for three-phase electrical networks.
- PR121/P-LI R2500 electronic release provides long-time and instantaneous protection.
- Fixed construction with rear horizontal terminals for switchboard integration.
- Equipped with four auxiliary contacts and open/closed position indication.
Key Features
- ABB SACE Emax E3H2500 circuit breaker platform.
- 2500 A rated current.
- 3-pole configuration.
- PR121/P-LI R2500 electronic overcurrent release.
- LI protection: long-time overload and instantaneous short-circuit functions.
- Fixed circuit-breaker version.
- Rear horizontal terminal arrangement.
- Four auxiliary contacts for signalling and control.
- Circuit-breaker open/closed position indication.
Reliable Protection for High-Current Power Distribution
Air circuit breakers such as the ABB SACE Emax E3H2500 provide switching, isolation and electronic overcurrent protection for high-current low-voltage electrical systems. The PR121/P-LI release monitors circuit current and initiates tripping according to configured thresholds when sustained overload or severe instantaneous short-circuit conditions occur.
The fixed SACE Emax construction is particularly suitable for switchboards where a permanently installed high-current breaker is required. Its three-pole design, 2500 A current rating, LI electronic protection and rear horizontal terminals make the E3H2500 suitable for main distribution boards, industrial switchgear and other substantial power distribution installations.
Typical Applications
- Low-voltage main distribution switchboards.
- Industrial power distribution systems.
- Main incomer and outgoing feeder protection.
- Transformer secondary protection.
- Manufacturing and process facilities.
- High-current fixed switchgear installations.
Technical Specifications
| Series | SACE Emax E3 |
|---|---|
| ABB order code | 1SDA056464R1 |
| EAN | 8015644578046 |
| Product type | Air circuit breaker |
| Performance level | H |
| Rated current (In) | 2500 A |
| Number of poles | 3P |
| Version | Fixed |
| Terminal arrangement | Rear horizontal |
| Release | PR121/P-LI R2500 |
| Release type | Electronic overcurrent release |
| Protection functions | L, I |
| Auxiliary contacts | 4 |
| Position indication | Circuit breaker open / closed |
| Application | Low-voltage power distribution |
Frequently Asked Questions
What is the ABB 1SDA056464R1 used for?
It is a 2500 A three-pole fixed SACE Emax air circuit breaker designed for switching and protecting high-current low-voltage power distribution circuits.
What protection release is fitted to the ABB E3H2500?
The breaker is fitted with an ABB PR121/P-LI R2500 electronic overcurrent release, providing long-time overload and instantaneous short-circuit protection.
What is the rated current of ABB 1SDA056464R1?
The E3H2500 configuration has a rated current of 2500 A and uses a three-pole arrangement.
Is the ABB 1SDA056464R1 fixed or withdrawable?
The 1SDA056464R1 is a fixed-version SACE Emax E3H2500 air circuit breaker equipped with rear horizontal terminals.
What protection functions does the PR121/P-LI provide?
The PR121/P-LI provides L and I protection functions for long-time overload and instantaneous short-circuit protection.
Trusted Protection from ABB SACE
ABB SACE Emax air circuit breakers are engineered for demanding low-voltage power distribution applications, combining electronic protection, high-current switching capability and robust construction for industrial and commercial electrical systems.
