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1SDA056626R1 ABB E3V 2000 PR121/P-LSIG 2000A 3P Fixed Air Circuit Breaker
ABB 1SDA056626R1 E3V 2000 PR121/P-LSIG is a 2000 A three-pole fixed SACE Emax air circuit breaker with rear horizontal terminals and electronic LSIG protection for demanding low-voltage power distribution systems.
£14,341.62
Why Choose the ABB E3V 2000 PR121/P-LSIG Air Circuit Breaker?
The ABB E3V 2000 PR121/P-LSIG, order code 1SDA056626R1, is a high-performance fixed air circuit breaker (ACB) designed for protection and switching in demanding low-voltage electrical distribution systems. Part of the proven ABB SACE Emax E3V series, this three-pole breaker combines a 2000 A rated current with the PR121/P-LSIG R2000 electronic overcurrent release.
The PR121/P-LSIG trip unit provides long-time, short-time, instantaneous and earth-fault protection, helping safeguard electrical installations against overloads, short circuits and ground faults. Its comprehensive LSIG protection makes the breaker particularly suitable for high-current distribution systems where selective protection and dependable fault interruption are essential.
This version is configured as a 3-pole fixed breaker with rear horizontal terminals. It is fitted with four change-over auxiliary contacts for open/closed circuit-breaker position indication and supports an optional motor drive, enabling integration into sophisticated switchboard control and monitoring systems.
Key Advantages
- High-performance ABB SACE Emax E3V air circuit breaker for demanding low-voltage distribution.
- 2000 A rated current for high-current industrial and commercial loads.
- PR121/P-LSIG R2000 electronic release with comprehensive LSIG protection.
- Integrated earth-fault protection for enhanced electrical system protection.
- 3-pole fixed configuration with rear horizontal terminals for permanent switchboard installation.
- 130 kA ultimate short-circuit breaking capacity at 400 V AC for high-fault-level applications.
Key Features
- ABB SACE Emax E3V air circuit breaker.
- 2000 A rated uninterrupted current.
- 3-pole configuration.
- PR121/P-LSIG R2000 electronic overcurrent release.
- LSIG protection functions: long-time, short-time, instantaneous and earth-fault.
- Fixed (F) breaker construction.
- Rear horizontal (HR) terminals.
- 690 V rated voltage.
- 130 kA Icu at 400 V AC, 50 Hz.
- Four change-over auxiliary contacts with open/closed position indication.
Reliable LSIG Protection for Low-Voltage Power Distribution
The ABB E3V 2000 combines high-current switching capability with electronic LSIG protection for demanding low-voltage distribution circuits. Its PR121/P-LSIG release provides protection against overloads, delayed and instantaneous short circuits, and earth faults, helping protect cables, busbars, transformers and connected equipment from damaging electrical conditions.
The fixed SACE Emax configuration is designed for permanent installation within compatible switchboards. Rear horizontal terminals facilitate integration with busbar systems, while four auxiliary change-over contacts provide breaker status information for signalling and supervisory systems. An optional motor drive can further support remotely controlled switchgear applications.
Typical Applications
- Low-voltage main distribution switchboards.
- Industrial power 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 | 1SDA056626R1 |
| Product group | 310513-New Emax |
| Product type | Air circuit breaker |
| Rated current (In) | 2000 A |
| Rated uninterrupted current (Iu) | 2000 A |
| Number of poles | 3P |
| Release | PR121/P-LSIG R2000 |
| Release type | Electronic overcurrent release |
| Protection functions | LSIG – long-time, short-time, instantaneous and earth-fault |
| Integrated earth-fault protection | Yes |
| Version | Fixed |
| Terminal arrangement | Rear horizontal |
| Rated voltage | 690 V |
| Rated ultimate short-circuit breaking capacity (Icu) at 400 V AC, 50 Hz | 130 kA |
| Overload release adjustment range | 800–2000 A |
| Short-time delayed short-circuit adjustment range | 2000–20000 A |
| Instantaneous short-circuit adjustment range | 3000–30000 A |
| Auxiliary contacts | 4 change-over contacts |
| Position indication | Open / closed |
| Motor drive | Optional |
| EAN | 8015644579661 |
| Weight | 72 kg |
Frequently Asked Questions
What is the ABB 1SDA056626R1 used for?
It is a 2000 A fixed air circuit breaker designed for switching and protecting high-current low-voltage electrical distribution systems against overload, short-circuit and earth-fault conditions.
What protection release does the ABB 1SDA056626R1 use?
The breaker uses an ABB PR121/P-LSIG R2000 electronic overcurrent release, providing long-time, short-time, instantaneous and earth-fault protection functions.
How many poles does the ABB E3V 2000 1SDA056626R1 have?
This version is a 3-pole air circuit breaker with a rated current of 2000 A.
Is the ABB 1SDA056626R1 fixed or withdrawable?
The 1SDA056626R1 is a fixed-version ABB SACE Emax E3V circuit breaker equipped with rear horizontal terminals.
What is the short-circuit breaking capacity of the ABB 1SDA056626R1?
The breaker has a rated ultimate short-circuit breaking capacity of 130 kA at 400 V AC, 50 Hz, making it suitable for demanding high-fault-level distribution systems.
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 short-circuit performance with flexible protection and switchboard integration.
