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1SDA056539R1 ABB E3V800 PR122/P-LI 800A 4P Fixed Rear Horizontal Air Circuit Breaker
ABB 1SDA056539R1 E3V800 SACE Emax 800 A four-pole fixed air circuit breaker with rear horizontal terminals and a PR122/P-LI R800 electronic overcurrent release for low-voltage power distribution protection.
£11,247.08
Why Choose the ABB E3V800 PR122/P-LI 800A 4P F HR Air Circuit Breaker?
The ABB E3V800 PR122/P-LI, order code 1SDA056539R1, 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 an 800 A rated current, four-pole construction and ABB's advanced PR122/P-LI electronic overcurrent release.
This circuit breaker is supplied as a fixed version with rear horizontal terminals, making it suitable for permanent integration into industrial and commercial switchboards. The PR122/P-LI R800 electronic release provides long-time overload and instantaneous short-circuit protection, helping safeguard distribution circuits and connected equipment against damaging overcurrent conditions.
The E3V800 belongs to the high-breaking-capacity V performance class of the ABB SACE Emax range. Its combination of an 800 A current rating, four-pole configuration, fixed mounting and rear horizontal connections makes the 1SDA056539R1 particularly suitable for main distribution and feeder protection where high fault-current interruption capability is required.
Key Advantages
- High-performance ABB SACE Emax E3 V air circuit breaker.
- 800 A rated current for substantial low-voltage distribution loads.
- Four-pole construction for four-pole switching and protection applications.
- PR122/P-LI R800 electronic release for long-time and instantaneous overcurrent protection.
- Fixed installation provides a robust switchboard-mounted solution.
- Rear horizontal terminals support practical busbar and switchboard integration.
Key Features
- ABB SACE Emax E3 V circuit breaker platform.
- 800 A rated current.
- Four-pole configuration.
- PR122/P-LI R800 electronic overcurrent release.
- Long-time and instantaneous LI protection functions.
- Fixed version for permanent switchboard installation.
- Rear horizontal terminal arrangement.
- High V-class short-circuit breaking performance.
- Fitted with four auxiliary contacts.
- Includes open/closed circuit-breaker position indication.
Reliable High-Performance Power Distribution Protection
Air circuit breakers such as the ABB SACE Emax E3V800 provide switching and overcurrent protection for major low-voltage distribution circuits. They are commonly incorporated into main switchboards, distribution boards and industrial power systems where dependable interruption of high fault currents and reliable control of substantial electrical loads are required.
The PR122/P-LI electronic release monitors circuit current and provides long-time protection against sustained overloads together with instantaneous protection against severe short-circuit currents. Combined with the E3 V high-performance breaker platform, the fixed rear-horizontal-terminal arrangement provides a robust solution for demanding electrical distribution installations.
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 | 1SDA056539R1 |
| Product group | New Emax |
| Product type | Air circuit breaker |
| Frame | E3 |
| Performance level | V |
| Rated current (In) | 800 A |
| Number of poles | 4P |
| Release | PR122/P-LI R800 |
| Release type | Electronic overcurrent release |
| Protection functions | Long-time and instantaneous (LI) |
| Version | Fixed |
| Terminal configuration | Rear horizontal terminals |
| Auxiliary contacts | 4 |
| Position indication | Open / closed |
| Breaking-capacity class | V |
| Breaking capacity | Up to 130 kA within the E3 V 800 fixed configuration |
| EAN | 8015644578794 |
Frequently Asked Questions
What is the ABB 1SDA056539R1?
The ABB 1SDA056539R1 is a SACE Emax E3V800 four-pole fixed air circuit breaker rated at 800 A, equipped with rear horizontal terminals and a PR122/P-LI R800 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 E3V800 1SDA056539R1 fixed or withdrawable?
This particular E3V800 configuration is a fixed circuit breaker intended for permanent installation in a compatible low-voltage switchboard.
What is the rated current of ABB 1SDA056539R1?
The circuit breaker has a rated current of 800 A and uses a PR122/P-LI R800 electronic release.
What terminal arrangement does this E3V800 use?
The ABB 1SDA056539R1 is configured with rear horizontal terminals for connection within a compatible switchboard or power distribution assembly.
How many poles does the ABB E3V800 1SDA056539R1 have?
This model is a four-pole air circuit breaker, making it suitable for electrical distribution applications requiring four-pole switching.
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 high short-circuit performance for critical low-voltage installations.
