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1SDA055698R1 ABB E1N800 PR121/P-LSIG 800A 3P Fixed Air Circuit Breaker
ABB 1SDA055698R1 SACE Emax E1N800 three-pole fixed air circuit breaker rated at 800 A with horizontal rear terminals and a PR121/P-LSIG R800 electronic trip unit providing LSIG protection for low-voltage power distribution systems.
£8,798.88
Why Choose the ABB E1N800 PR121/P-LSIG 800A 3P Fixed Air Circuit Breaker?
The ABB E1N800 PR121/P-LSIG, order code 1SDA055698R1, is a high-performance SACE Emax air circuit breaker designed for switching and comprehensive protection in low-voltage power distribution systems. Rated at 800 A, this three-pole circuit breaker combines the E1N frame with the PR121/P-LSIG R800 electronic overcurrent release.
This model is supplied in a fixed configuration with horizontal rear terminals, making it suitable for permanent installation in industrial switchboards and distribution assemblies. It is fitted with four auxiliary contacts and circuit-breaker open/closed position indication, supporting status monitoring within electrical control and power distribution systems.
The PR121/P-LSIG electronic trip unit provides long-time overload, short-time short-circuit, instantaneous short-circuit and ground-fault protection. The E1N 800 frame provides a short-circuit breaking capability of 50 kA at 480 V AC, making this circuit breaker suitable for demanding industrial and commercial power distribution applications.
Key Advantages
- Heavy-duty ABB SACE Emax air circuit breaker for low-voltage power distribution.
- 800 A rated current for industrial and commercial electrical systems.
- Three-pole fixed configuration for permanent switchboard installation.
- Advanced PR121/P-LSIG R800 electronic overcurrent release.
- Provides long-time, short-time, instantaneous and ground-fault protection.
- 50 kA short-circuit breaking capability at 480 V AC for the E1N 800 frame.
- Horizontal rear terminals support practical switchboard busbar connections.
- Four auxiliary contacts provide circuit-breaker status signalling.
Key Features
- ABB SACE Emax E1N series.
- 800 A rated current.
- Three-pole (3P) construction.
- Fixed-mounted circuit-breaker configuration.
- Horizontal rear terminals.
- PR121/P-LSIG R800 electronic overcurrent release.
- LSIG protection functions: long-time, short-time, instantaneous and ground fault.
- 50 kA short-circuit breaking capability at 480 V AC.
- 50 kA short-time withstand capability for the E1N 800 frame.
- Four auxiliary contacts.
- Open/closed circuit-breaker position indication.
Reliable Protection for Low-Voltage Power Distribution
Air circuit breakers such as the ABB SACE Emax E1N800 provide switching and protection for high-current low-voltage distribution circuits. The fixed design and horizontal rear terminals make this configuration particularly suitable for integration into switchboards where a permanently installed protective device and convenient rear busbar connections are required.
The PR121/P-LSIG electronic trip unit provides coordinated protection against overloads, delayed and instantaneous short circuits and ground faults. Combined with the E1N platform, it provides a robust solution for main incomers, feeders and other critical circuits requiring comprehensive electronic protection.
Typical Applications
- Industrial low-voltage switchboards.
- Main incoming power distribution circuits.
- Electrical feeder and distribution protection.
- Manufacturing and process plants.
- Commercial and infrastructure power systems.
- Fixed switchgear requiring comprehensive LSIG protection.
Technical Specifications
| Series | SACE Emax |
|---|---|
| Order code | 1SDA055698R1 |
| Product type | Air circuit breaker |
| Frame / sub-type | E1N |
| Rated current | 800 A |
| Number of poles | 3P |
| Version | Fixed |
| Terminal arrangement | Horizontal rear terminals |
| Trip unit | PR121/P-LSIG R800 |
| Release type | Electronic |
| Protection functions | Long-time, short-time, instantaneous and ground fault |
| Short-circuit breaking capability at 480 V AC | 50 kA |
| Short-time current capability | 50 kA |
| Auxiliary contacts | 4 |
| Position indication | Circuit breaker open / closed |
| Mounting type | Fixed switchboard mounting |
| Weight | approx. 50 kg |
| EAN | 8015644570385 |
Frequently Asked Questions
What is the ABB 1SDA055698R1?
It is an ABB SACE Emax E1N 800 A three-pole fixed air circuit breaker with horizontal rear terminals and a PR121/P-LSIG R800 electronic overcurrent release.
What is the rated current of the ABB E1N800 1SDA055698R1?
The circuit breaker is rated at 800 A.
What protection does the PR121/P-LSIG trip unit provide?
The PR121/P-LSIG provides long-time, short-time, instantaneous and ground-fault protection, commonly identified as LSIG protection.
What is the short-circuit capability of the E1N800?
The E1N 800 frame provides a short-circuit breaking capability of 50 kA at 480 V AC.
Is the ABB 1SDA055698R1 fixed or withdrawable?
The 1SDA055698R1 is a fixed three-pole circuit breaker supplied with horizontal rear terminals for permanent switchboard installation.
Trusted by Power Distribution Professionals Worldwide
ABB SACE Emax air circuit breakers are engineered for dependable switching and protection in demanding low-voltage power distribution systems, combining high-current performance with electronic protection technology for industrial and commercial installations.
