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1SDA056571R1 ABB E3V1250 PR122/P-LI 1250A 4P Fixed Rear Horizontal Air Circuit Breaker
ABB 1SDA056571R1 E3V1250 SACE Emax 1250 A four-pole fixed air circuit breaker with rear horizontal terminals and a PR122/P-LI R1250 electronic overcurrent release for low-voltage power distribution protection.
£11,648.29
Why Choose the ABB E3V1250 PR122/P-LI 1250A 4P F HR Air Circuit Breaker?
The ABB E3V1250 PR122/P-LI, order code 1SDA056571R1, is a high-performance SACE Emax air circuit breaker designed for switching and protection in demanding low-voltage power distribution systems. This E3 V configuration combines a 1250 A rated current, four-pole construction and an advanced PR122/P-LI R1250 electronic overcurrent release.
Supplied as a fixed circuit breaker with rear horizontal terminals, the E3V1250 provides a robust installation arrangement for industrial and commercial switchboards. The PR122/P-LI electronic release provides long-time overload and instantaneous short-circuit protection, helping safeguard distribution circuits and connected equipment against damaging overcurrent conditions.
The breaker is equipped with four auxiliary contacts and open/closed position indication for integration with switchboard control and monitoring systems. As part of ABB's high-performance E3 V family, the 1SDA056571R1 is particularly suited to main distribution and feeder applications where dependable switching, high-current capability and electronic circuit protection are required.
Key Advantages
- High-performance ABB SACE Emax E3 V air circuit breaker.
- 1250 A rated current for high-current low-voltage distribution systems.
- Four-pole construction for four-pole switching and protection applications.
- PR122/P-LI R1250 electronic release provides long-time and instantaneous overcurrent protection.
- Fixed configuration with rear horizontal terminals for robust switchboard integration.
- Supplied with four auxiliary contacts and open/closed position indication.
Key Features
- ABB SACE Emax E3 V circuit breaker platform.
- 1250 A rated current.
- Four-pole configuration.
- PR122/P-LI R1250 electronic overcurrent release.
- Long-time and instantaneous LI protection functions.
- Fixed version (F).
- Rear horizontal (HR) terminals.
- Four auxiliary contacts for circuit-breaker status signalling.
- Open/closed position indication.
- Designed for high-performance low-voltage power distribution applications.
Reliable High-Current Protection for Low-Voltage Distribution
Air circuit breakers such as the ABB SACE Emax E3V1250 provide switching and overcurrent protection for main incomers, feeders and other high-current circuits in low-voltage distribution systems. Their robust construction and electronic protection capabilities make them suitable for critical switchboards where reliable interruption and control of substantial electrical loads are required.
The PR122/P-LI electronic release provides long-time protection against sustained overload conditions together with instantaneous protection against severe short-circuit currents. Combined with the fixed E3 V platform and rear horizontal terminal arrangement, this configuration provides an effective solution for industrial, commercial and infrastructure power distribution systems.
Typical Applications
- Main low-voltage distribution switchboards.
- Industrial power distribution systems.
- Main incomer circuit protection.
- High-current feeder protection.
- Manufacturing and process facilities.
- Commercial and infrastructure electrical distribution.
Technical Specifications
| Series | SACE Emax |
|---|---|
| ABB order code | 1SDA056571R1 |
| Product group | New Emax |
| Product type | Air circuit breaker |
| Frame | E3 |
| Performance level | V |
| Rated current (In) | 1250 A |
| Number of poles | 4P |
| Release | PR122/P-LI R1250 |
| Release type | Electronic overcurrent release |
| Protection functions | Long-time and instantaneous (LI) |
| Version | Fixed (F) |
| Terminal configuration | Rear horizontal (HR) |
| Auxiliary contacts | 4 |
| Position indication | Open / closed |
| EAN | 8015644579111 |
| HS code | 85362090 |
| Weight | 90 kg |
Frequently Asked Questions
What is the ABB 1SDA056571R1?
The ABB 1SDA056571R1 is a SACE Emax E3V1250 four-pole fixed air circuit breaker rated at 1250 A, fitted with rear horizontal terminals and a PR122/P-LI R1250 electronic overcurrent release.
What protection functions does the PR122/P-LI release provide?
The PR122/P-LI electronic release provides long-time overload protection and instantaneous short-circuit protection.
Is the ABB E3V1250 1SDA056571R1 fixed or withdrawable?
This configuration is a fixed circuit breaker designed for permanent installation in a compatible low-voltage switchboard.
What is the rated current of ABB 1SDA056571R1?
The E3V1250 circuit breaker is rated at 1250 A and is equipped with a PR122/P-LI R1250 electronic release.
What terminal arrangement does ABB 1SDA056571R1 use?
The circuit breaker is supplied with rear horizontal (HR) terminals for connection within a compatible fixed switchboard installation.
What auxiliary contacts are included with the ABB 1SDA056571R1?
The circuit breaker is fitted with four auxiliary contacts together with open/closed position indication for signalling and monitoring applications.
Trusted by Electrical Distribution Professionals Worldwide
ABB SACE Emax air circuit breakers are widely used in industrial, commercial and infrastructure power distribution systems, combining dependable switching, electronic overcurrent protection and robust high-current performance for critical low-voltage installations.
