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1SDA057851R1 ABB E4S-A 3600 PR121/P-LSI 3600 A 3-Pole Air Circuit Breaker
ABB 1SDA057851R1 SACE Emax E4S-A 3600 A three-pole air circuit breaker with PR121/P-LSI electronic overcurrent protection for demanding low-voltage power distribution applications.
£23,200.49
Why Choose the ABB 1SDA057851R1 E4S-A 3600 Air Circuit Breaker?
The ABB 1SDA057851R1 is a high-performance SACE Emax E4S-A 3600 air circuit breaker designed for dependable switching and protection in demanding low-voltage power distribution systems. This three-pole circuit breaker has a rated current of 3600 A and combines the E4S-A performance class with ABB's established PR121/P electronic overcurrent protection technology.
Equipped with an ABB PR121/P-LSI electronic overcurrent release, the 1SDA057851R1 provides long-time, short-time and instantaneous protection functions. This LSI protection combination helps safeguard cables, busbars, switchgear and connected equipment against sustained overloads and short-circuit conditions while supporting selective coordination within high-current distribution networks.
With its 3600 A current rating and three-pole construction, the 1SDA057851R1 is suited to demanding main incomer, feeder and distribution duties. The E4S-A platform provides a robust solution for industrial and commercial installations where reliable high-current switching and coordinated circuit protection are essential.
Key Advantages
- High-performance ABB SACE Emax E4S-A air circuit breaker.
- 3600 A rated current for demanding high-current electrical distribution.
- Three-pole configuration for three-phase power systems.
- PR121/P-LSI electronic overcurrent release for comprehensive circuit protection.
- LSI protection provides long-time, short-time and instantaneous protection functions.
- Short-time protection supports selective coordination between protective devices.
- E4S-A performance class for demanding circuit-protection applications.
- Electronic trip technology supports dependable overcurrent protection.
- Suitable for main incomer, feeder and high-current distribution duties.
Key Features
- ABB SACE Emax E4S-A 3600 series.
- 3600 A rated current.
- PR121/P-LSI electronic overcurrent release.
- LSI protection functions: long-time, short-time and instantaneous.
- Three-pole circuit-breaker configuration.
- Electronic trip-unit technology for overcurrent protection.
- Designed for high-current three-phase electrical distribution.
- Suitable for applications requiring coordinated short-circuit protection.
- Part of ABB product group 310513-New Emax.
- ABB order code 1SDA057851R1.
High-Current Circuit Protection and Selective Power Distribution
Air circuit breakers such as the ABB SACE Emax provide switching, isolation and overcurrent protection for high-current low-voltage electrical distribution systems. They help protect cables, busbars, switchgear and connected equipment against potentially damaging overload and short-circuit conditions while providing dependable control of critical distribution circuits.
The PR121/P-LSI electronic release combines long-time protection against sustained overloads with short-time and instantaneous protection against short-circuit faults. The inclusion of short-time protection can support selective coordination between protective devices, while the E4S-A platform and 3600 A rating make the 1SDA057851R1 suitable for demanding industrial and commercial power distribution applications.
Typical Applications
- Industrial low-voltage power distribution systems.
- Main incomer protection in high-current electrical switchboards.
- High-current feeder and distribution protection.
- Manufacturing and process plant electrical distribution.
- Commercial and industrial switchgear assemblies.
- Three-phase distribution systems requiring LSI protection.
- Power distribution centres and critical electrical infrastructure.
Technical Specifications
| Series | SACE Emax |
|---|---|
| Order code / Product ID | 1SDA057851R1 |
| Product group | 310513-New Emax |
| Product type | Air circuit breaker |
| Rated current | 3600 A |
| Number of poles | 3 |
| Overcurrent release | PR121/P-LSI |
| Release type | Electronic |
| Protection functions | LSI (long-time, short-time and instantaneous) |
| Performance class | E4S-A |
Frequently Asked Questions
What is the ABB 1SDA057851R1 used for?
The ABB 1SDA057851R1 is a 3600 A three-pole SACE Emax air circuit breaker designed for switching and overcurrent protection in demanding high-current low-voltage power distribution systems.
What is the rated current of the ABB 1SDA057851R1?
The ABB 1SDA057851R1 has a rated current of 3600 A, making it suitable for demanding high-current three-phase electrical distribution applications.
Which trip unit is fitted to the ABB 1SDA057851R1?
The circuit breaker is fitted with an ABB PR121/P-LSI electronic overcurrent release, providing long-time, short-time and instantaneous protection functions.
What does LSI protection mean on the ABB 1SDA057851R1?
LSI denotes long-time, short-time and instantaneous protection. These functions provide protection against sustained overloads and short-circuit faults while supporting coordinated operation within the electrical distribution system.
What type of applications is the ABB 1SDA057851R1 suitable for?
The ABB 1SDA057851R1 is suitable for demanding low-voltage applications including main incomers, high-current feeders, industrial switchboards and three-phase distribution systems requiring electronic LSI overcurrent protection.
Trusted Industrial Power Protection from ABB
ABB SACE Emax air circuit breakers provide dependable switching and electronic protection for demanding low-voltage power distribution systems, supporting industrial and commercial switchboard applications where reliable high-current circuit protection is essential.
