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1SDA059420R1 ABB E3S 1000 PR123/P-LSIG 1000 A 4-Pole Withdrawable Air Circuit Breaker
ABB 1SDA059420R1 is a SACE Emax E3S 1000 A four-pole withdrawable air circuit breaker moving part with a PR123/P-LSIG electronic trip unit for comprehensive low-voltage power distribution protection.
£17,113.10
Why Choose the ABB 1SDA059420R1 E3S 1000 Air Circuit Breaker?
The ABB 1SDA059420R1 is a high-performance SACE Emax E3S 1000 air circuit breaker moving part designed for protection, switching and isolation in demanding low-voltage power distribution systems. Configured as E3S 1000 PR123/P-LSIG In=1000A 4p W MP, it combines a 1000 A rated current, four-pole construction and ABB's PR123/P-LSIG electronic overcurrent release.
The PR123/P-LSIG release provides long-time, short-time, instantaneous and ground-fault protection functions, delivering comprehensive electronic protection against overload, short-circuit and ground-fault conditions. This LSIG configuration makes the breaker suitable for critical industrial, commercial and infrastructure distribution systems requiring advanced protection of high-current circuits.
The 1SDA059420R1 is supplied as a four-pole withdrawable moving part for use with the corresponding SACE Emax fixed part. It is fitted with four auxiliary contacts and circuit-breaker open/closed position indication, providing useful status signalling while the withdrawable design supports efficient inspection, testing and maintenance.
Key Advantages
- High-performance 1000 A E3S air circuit breaker for demanding low-voltage distribution.
- Four-pole configuration for switching and protection across four conductors.
- Advanced PR123/P-LSIG electronic overcurrent release.
- Long-time, short-time, instantaneous and ground-fault protection.
- Withdrawable moving-part construction supports efficient inspection and servicing.
- Fitted with four auxiliary contacts for circuit-breaker status signalling.
- Provides open/closed position indication.
- Part of the established ABB SACE Emax air circuit breaker platform.
Key Features
- ABB SACE Emax E3S 1000 air circuit breaker moving part.
- 1000 A rated current.
- Four-pole construction.
- PR123/P-LSIG electronic trip unit.
- LSIG protection functions for long-time, short-time, instantaneous and ground-fault protection.
- Withdrawable (W) execution.
- Moving-part (MP) configuration.
- Four auxiliary contacts.
- Integrated circuit-breaker open/closed position indication.
- Designed for high-current protection, switching and isolation in low-voltage distribution systems.
Reliable Protection for Low-Voltage Power Distribution
The ABB SACE Emax E3S is designed to provide dependable protection and switching for high-current low-voltage distribution circuits. Its PR123/P-LSIG electronic release combines long-time overload protection, short-time protection, instantaneous short-circuit protection and ground-fault protection, helping safeguard feeders, busbars, switchgear and connected electrical equipment.
The withdrawable construction of the 1SDA059420R1 makes it particularly suitable for switchboards where maintainability and operational flexibility are priorities. When installed with the corresponding SACE Emax fixed part, the moving breaker assembly can be withdrawn for inspection, testing or servicing, while its four-pole configuration and LSIG protection support comprehensive distribution-system protection.
Typical Applications
- Low-voltage main distribution switchboards.
- Industrial power distribution systems.
- Commercial building electrical distribution.
- Infrastructure power distribution installations.
- Manufacturing and process plant switchgear.
- Protection of high-current feeders and distribution circuits.
- Four-pole systems requiring ground-fault protection.
- Withdrawable switchgear requiring advanced LSIG electronic protection.
Technical Specifications
| Series | SACE Emax |
|---|---|
| ABB order code | 1SDA059420R1 |
| Product group | 310513-New Emax |
| Product type | Air circuit breaker moving part |
| Frame | E3S |
| Rated current | 1000 A |
| Number of poles | 4 |
| Trip unit | PR123/P-LSIG |
| Release type | Electronic overcurrent release |
| Protection functions | Long-time, short-time, instantaneous and ground fault (LSIG) |
| Ground-fault protection | Integrated |
| Execution | Withdrawable |
| Configuration | Moving part (W/MP) |
| Auxiliary contacts | 4 |
| Position indication | Circuit breaker open / closed |
| Product weight | 96 kg |
| EAN | 8015644617813 |
Frequently Asked Questions
What is the ABB 1SDA059420R1?
The ABB 1SDA059420R1 is a SACE Emax E3S 1000 four-pole withdrawable air circuit breaker moving part equipped with a PR123/P-LSIG electronic overcurrent release.
What is the rated current of the ABB 1SDA059420R1?
The 1SDA059420R1 has a rated current of 1000 A.
How many poles does the ABB 1SDA059420R1 have?
The circuit breaker has a four-pole configuration for low-voltage power distribution applications.
Which trip unit is fitted to the ABB 1SDA059420R1?
The breaker is equipped with the ABB PR123/P-LSIG electronic overcurrent release.
What does LSIG protection mean?
LSIG denotes long-time, short-time, instantaneous and ground-fault protection, providing comprehensive electronic protection against overload, short-circuit and ground-fault conditions.
Does the ABB 1SDA059420R1 include ground-fault protection?
Yes. The PR123/P-LSIG configuration includes ground-fault protection in addition to long-time, short-time and instantaneous overcurrent protection.
Is the ABB 1SDA059420R1 fixed or withdrawable?
The 1SDA059420R1 is a withdrawable moving-part (W/MP) circuit breaker intended for use with the corresponding ABB SACE Emax fixed part.
Does the ABB 1SDA059420R1 include auxiliary contacts?
Yes. The breaker moving part is fitted with four auxiliary contacts together with circuit-breaker open/closed position indication.
Trusted by Electrical Engineers Worldwide
ABB SACE Emax air circuit breakers are engineered for demanding industrial, commercial and infrastructure power distribution systems where dependable high-current protection, advanced electronic trip functionality and maintainable switchgear construction are required.
