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1SDA056920R1 ABB E4V4000 PR121/P-LI 4000A 4P Fixed Air Circuit Breaker
ABB 1SDA056920R1 E4V4000 PR121/P-LI is a 4000 A four-pole fixed SACE Emax air circuit breaker with rear horizontal terminals and a PR121/P-LI R4000 electronic release providing long-time overload and instantaneous short-circuit protection.
£35,689.16
Why Choose the ABB E4V4000 PR121/P-LI 4000A 4P Fixed Air Circuit Breaker?
The ABB E4V4000 PR121/P-LI, order code 1SDA056920R1, is a high-performance SACE Emax E4V air circuit breaker designed for protection and switching in demanding low-voltage electrical distribution systems. Rated at 4000 A, this four-pole fixed circuit breaker combines the ABB SACE Emax platform with a PR121/P-LI R4000 electronic overcurrent release.
The PR121/P-LI release provides long-time (L) and instantaneous (I) overcurrent protection, helping protect electrical installations against sustained overloads and severe short-circuit conditions. This protection combination makes the breaker suitable for high-current main distribution circuits where dependable overload protection and rapid interruption of major faults are required.
This version is supplied as a four-pole fixed circuit breaker with rear horizontal terminals, providing a robust arrangement for permanent switchboard installation. Four auxiliary contacts and circuit-breaker open/closed position indication are included to support status signalling and integration into electrical monitoring and control systems.
Key Advantages
- High-current 4000 A SACE Emax E4V air circuit breaker for demanding low-voltage distribution.
- Four-pole configuration provides switching and protection across four conductors.
- PR121/P-LI R4000 electronic release provides long-time and instantaneous overcurrent protection.
- Long-time protection helps safeguard circuits against sustained overload conditions.
- Instantaneous protection provides rapid interruption of severe short-circuit faults.
- Fixed construction provides robust permanent integration into electrical switchboards.
- Rear horizontal terminals provide a practical connection arrangement for switchboard busbars.
- Four auxiliary contacts and open/closed indication support circuit-breaker status monitoring.
Key Features
- ABB SACE Emax E4V series.
- 4000 A rated current.
- Four-pole circuit-breaker configuration.
- PR121/P-LI R4000 electronic overcurrent release.
- Long-time overload protection (L).
- Instantaneous short-circuit protection (I).
- Fixed execution.
- Rear horizontal main terminals.
- Four auxiliary contacts.
- Circuit-breaker open/closed position indication.
- Designed for high-capacity low-voltage power distribution.
High-Performance 4000A Electronic Circuit Protection
The ABB SACE Emax E4V platform is engineered for high-capacity low-voltage distribution systems where dependable switching and electronic overcurrent protection are required. The PR121/P-LI R4000 release combines long-time overload protection with instantaneous short-circuit protection, helping safeguard busbars, feeders and connected electrical equipment against damaging overcurrent conditions.
With its 4000 A rating, four-pole construction, fixed execution and rear horizontal terminals, the E4V4000 is particularly suited to main switchboards and other high-current distribution assemblies. Its auxiliary contacts and open/closed position indication also facilitate integration with switchboard status monitoring and control circuits.
Typical Applications
- Main low-voltage electrical distribution switchboards.
- High-capacity industrial power distribution systems.
- Main incoming and high-current feeder protection.
- Commercial and infrastructure electrical distribution.
- Manufacturing and process-industry switchgear.
- Transformer and generator distribution systems.
- High-current busbar and distribution-board protection.
- Electrical installations requiring four-pole switching and electronic overcurrent protection.
Technical Specifications
| Series | SACE Emax E4V |
|---|---|
| ABB order code | 1SDA056920R1 |
| Product group | 310513-New Emax |
| Product type | Air circuit breaker |
| Rated current (In) | 4000 A |
| Number of poles | 4 |
| Execution | Fixed |
| Main terminal arrangement | Rear horizontal |
| Protection release | PR121/P-LI R4000 |
| Release technology | Electronic |
| Protection functions | Long-time (L) and instantaneous (I) |
| Auxiliary contacts | 4 |
| Position indication | Circuit breaker open / closed |
| Net weight | 111 kg |
| EAN | 8015644582609 |
| HS code | 85362090 |
Frequently Asked Questions
What is the ABB 1SDA056920R1?
The ABB 1SDA056920R1 is an E4V4000 SACE Emax air circuit breaker rated at 4000 A, with four poles, fixed construction, rear horizontal terminals and a PR121/P-LI R4000 electronic overcurrent release.
What is the rated current of the E4V4000 PR121/P-LI?
The ABB E4V4000 PR121/P-LI 1SDA056920R1 has a rated current of 4000 A.
What protection functions does the PR121/P-LI release provide?
The PR121/P-LI electronic release provides long-time overload protection (L) and instantaneous short-circuit protection (I).
Is ABB 1SDA056920R1 fixed or withdrawable?
ABB 1SDA056920R1 is a fixed four-pole air circuit breaker.
What terminal arrangement does ABB 1SDA056920R1 use?
The ABB 1SDA056920R1 is supplied with rear horizontal terminals for connection within the switchboard.
Does ABB 1SDA056920R1 include auxiliary contacts?
Yes. The circuit breaker is fitted with four auxiliary contacts and circuit-breaker open/closed position indication for status signalling.
What is the weight of ABB 1SDA056920R1?
The ABB 1SDA056920R1 E4V4000 fixed air circuit breaker has a listed net weight of 111 kg.
Trusted by Electrical Engineers Worldwide
ABB SACE Emax air circuit breakers are widely used in industrial, commercial and infrastructure power distribution systems where dependable high-current switching, electronic overcurrent protection and robust switchboard integration are required.
