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1SDA056146R1 ABB E3N 3200 PR121/P-LSIG 3200 A 3-Pole Fixed Air Circuit Breaker
ABB 1SDA056146R1 E3N 3200 is a 3200 A three-pole fixed SACE Emax air circuit breaker with rear horizontal terminals and a PR121/P-LSIG electronic overcurrent release for comprehensive low-voltage power distribution protection.
£18,008.18
Why Choose the ABB E3N 3200 PR121/P-LSIG Air Circuit Breaker?
The ABB E3N 3200 PR121/P-LSIG, order code 1SDA056146R1, is a high-performance SACE Emax air circuit breaker (ACB) designed for switching and protection of high-current low-voltage power distribution systems. Part of the proven ABB SACE Emax E3 series, this three-pole fixed circuit breaker combines a 3200 A rated current with the PR121/P-LSIG electronic overcurrent release for comprehensive protection in demanding industrial and commercial installations.
The PR121/P-LSIG electronic trip unit provides long-time, short-time, instantaneous and earth-fault protection functions. These LSIG functions help protect electrical networks against overloads, short circuits and earth faults while supporting coordinated protection throughout low-voltage distribution systems.
The E3N 3200 is designed for demanding main distribution and high-power switchboard applications. This version features a three-pole fixed configuration with rear horizontal terminals, providing a robust installation format for integration into industrial switchboards and busbar systems.
Key Advantages
- Heavy-duty 3200 A air circuit breaker for high-current power distribution.
- PR121/P-LSIG electronic overcurrent release for comprehensive circuit protection.
- LSIG functions provide long-time, short-time, instantaneous and earth-fault protection.
- Three-pole fixed configuration for permanent switchboard installation.
- Rear horizontal terminals support practical connection to switchboard busbars.
- E3N performance class is engineered for demanding industrial low-voltage distribution networks.
Key Features
- ABB SACE Emax E3N series.
- 3200 A rated current.
- PR121/P-LSIG electronic trip unit.
- Integrated long-time, short-time, instantaneous and earth-fault protection.
- Three-pole construction.
- Fixed installation.
- Rear horizontal terminal arrangement.
- N performance level for industrial power distribution.
- Electronic protection suitable for coordinated low-voltage networks.
- Designed for high-current switchboards and power distribution assemblies.
Comprehensive Protection for High-Current Power Distribution
Air circuit breakers such as the ABB E3N protect high-current low-voltage distribution circuits by disconnecting the supply when electrical conditions exceed configured protection thresholds. Electronic trip technology provides accurate detection of overload and short-circuit conditions, helping protect conductors, switchgear and connected equipment.
The PR121/P-LSIG release adds earth-fault protection to the long-time, short-time and instantaneous functions, creating a comprehensive protection package for demanding electrical networks. Combined with the E3N platform, fixed construction and rear horizontal terminals, it provides a dependable solution for main distribution boards and industrial switchgear.
Typical Applications
- Main low-voltage distribution switchboards.
- Industrial power distribution systems.
- Manufacturing and process plants.
- Commercial and infrastructure electrical installations.
- Transformer-fed low-voltage distribution circuits.
- High-current switchgear and control assemblies.
Technical Specifications
| Series | SACE Emax E3 |
|---|---|
| Order code | 1SDA056146R1 |
| Product type | Air circuit breaker |
| Rated current | 3200 A |
| Number of poles | 3 |
| Installation | Fixed |
| Terminal orientation | Rear horizontal |
| Trip unit | PR121/P-LSIG electronic overcurrent release |
| Protection functions | Long-time, short-time, instantaneous and earth fault |
| Short-circuit performance level | N |
| Frame | E3 |
| Current type | AC |
Frequently Asked Questions
What is the ABB 1SDA056146R1 used for?
It is a 3200 A air circuit breaker designed for switching and comprehensive protection of high-current low-voltage power distribution systems.
What protection unit is fitted to this circuit breaker?
The breaker is fitted with an ABB PR121/P-LSIG electronic overcurrent release, providing long-time, short-time, instantaneous and earth-fault protection.
What is the current rating of the ABB E3N 3200?
This version is rated at 3200 A for high-current low-voltage distribution applications.
Is the ABB 1SDA056146R1 fixed or withdrawable?
The 1SDA056146R1 is a three-pole fixed air circuit breaker with rear horizontal terminals.
What protection functions does the PR121/P-LSIG provide?
The PR121/P-LSIG provides long-time, short-time, instantaneous and earth-fault protection for comprehensive protection of low-voltage distribution circuits.
Trusted Low-Voltage Protection from ABB
ABB SACE Emax air circuit breakers are engineered for dependable switching and protection in demanding low-voltage power distribution systems, combining high current capability, electronic LSIG protection and robust switchboard integration.
