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1SDA056664R1 ABB E3V 2500 PR121/P-LI 2500A 4P Fixed Air Circuit Breaker
ABB 1SDA056664R1 E3V 2500 PR121/P-LI is a 2500 A four-pole fixed SACE Emax air circuit breaker with rear horizontal terminals and a PR121/P-LI R2500 electronic overcurrent release for demanding low-voltage power distribution systems.
£21,120.49
Why Choose the ABB E3V 2500 PR121/P-LI Air Circuit Breaker?
The ABB E3V 2500 PR121/P-LI, order code 1SDA056664R1, is a high-performance fixed air circuit breaker (ACB) designed for switching and protection in demanding low-voltage electrical distribution systems. Part of the proven ABB SACE Emax E3V series, this four-pole breaker combines a 2500 A rated current with the PR121/P-LI R2500 electronic overcurrent release.
The PR121/P-LI release provides long-time and instantaneous overcurrent protection, helping safeguard electrical installations against sustained overloads and severe short circuits. The E3V performance class is engineered for high-fault-level applications, making this breaker suitable for industrial switchboards, commercial distribution systems and infrastructure installations requiring dependable high-current protection.
This model is configured as a 4-pole fixed breaker with rear horizontal terminals. It is fitted with four auxiliary contacts and open/closed circuit-breaker position indication, supporting effective integration into switchboard signalling, monitoring and control systems.
Key Advantages
- High-performance ABB SACE Emax E3V air circuit breaker for demanding low-voltage distribution.
- 2500 A rated current for substantial industrial and commercial loads.
- PR121/P-LI R2500 electronic release for overload and instantaneous short-circuit protection.
- 4-pole fixed configuration suitable for systems requiring neutral conductor switching.
- Rear horizontal terminals facilitate connection to suitable switchboard busbar systems.
- Four auxiliary contacts provide open/closed circuit-breaker status indication.
Key Features
- ABB SACE Emax E3V air circuit breaker.
- 2500 A rated current.
- 4-pole configuration.
- PR121/P-LI R2500 electronic overcurrent release.
- LI protection functions: long-time and instantaneous.
- Fixed (F) breaker construction.
- Rear horizontal (HR) terminals.
- High E3V short-circuit performance for demanding distribution systems.
- Fitted with four auxiliary contacts.
- Open/closed position indication for circuit-breaker status monitoring.
Reliable Electronic Protection for High-Current Distribution
The ABB E3V 2500 combines substantial current-carrying capability with the PR121/P-LI electronic overcurrent release. Long-time protection helps safeguard circuits against sustained overload conditions, while instantaneous protection provides rapid interruption of severe short circuits, helping protect cables, busbars, transformers and connected electrical equipment.
The fixed SACE Emax construction is designed for permanent installation within compatible low-voltage switchboards. Rear horizontal terminals support practical busbar connection arrangements, while the four-pole configuration makes this model particularly suitable for three-phase distribution systems where the neutral conductor also needs to be switched.
Typical Applications
- Low-voltage main distribution switchboards.
- Industrial three-phase and neutral distribution systems.
- Manufacturing and process plants.
- Commercial and infrastructure electrical installations.
- Transformer and generator distribution systems.
- Power control centres and fixed switchgear assemblies.
Technical Specifications
| Series | SACE Emax E3V |
|---|---|
| Order code | 1SDA056664R1 |
| Product group | 310513-New Emax |
| Product type | Air circuit breaker |
| Rated current (In) | 2500 A |
| Frame size | 2500 A |
| Number of poles | 4P |
| Release | PR121/P-LI R2500 |
| Release type | Electronic overcurrent release |
| Protection functions | LI – long-time and instantaneous |
| Version | Fixed |
| Terminal arrangement | Rear horizontal (HR) |
| Short-time withstand current | 85 kA |
| Auxiliary contacts | 4 |
| Position indication | Open / closed |
| EAN | 8015644580049 |
| Weight | 90 kg |
Frequently Asked Questions
What is the ABB 1SDA056664R1 used for?
It is a 2500 A fixed air circuit breaker designed for switching and protecting high-current low-voltage electrical distribution systems against overload and short-circuit conditions.
What protection release does the ABB 1SDA056664R1 use?
The breaker uses an ABB PR121/P-LI R2500 electronic overcurrent release, providing long-time and instantaneous protection functions.
How many poles does the ABB E3V 2500 1SDA056664R1 have?
This model is a 4-pole air circuit breaker with a rated current of 2500 A, making it suitable for applications where switching of the neutral conductor is required.
Is the ABB 1SDA056664R1 fixed or withdrawable?
The 1SDA056664R1 is a fixed-version ABB SACE Emax E3V circuit breaker equipped with rear horizontal terminals.
Does the ABB 1SDA056664R1 include auxiliary contacts?
Yes. The breaker is fitted with four auxiliary contacts and provides open/closed circuit-breaker position indication for signalling and monitoring.
Trusted ABB Power Distribution Protection
ABB SACE Emax air circuit breakers provide robust switching and electronic protection for demanding low-voltage distribution systems, combining high-current performance with dependable protection and flexible switchboard integration.
