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1SDA057891R1 ABB E4H-A 3200 PR122/P-LI 3200 A 3P Fixed Air Circuit Breaker
ABB 1SDA057891R1 is a SACE Emax E4H-A 3200 A three-pole fixed air circuit breaker with horizontal rear terminals and a PR122/P-LI R3200 electronic overcurrent release for high-current low-voltage power-distribution protection.
£20,113.16
Why Choose the ABB 1SDA057891R1 E4H-A 3200 Air Circuit Breaker?
The ABB 1SDA057891R1 is a high-performance SACE Emax E4H-A 3200 air circuit breaker engineered for demanding low-voltage power-distribution systems. This three-pole fixed circuit breaker has a rated current of 3200 A and is equipped with the PR122/P-LI R3200 electronic overcurrent release for dependable overload and instantaneous short-circuit protection.
The E4H-A 3200 is designed for installations requiring substantial fault-interruption capability, with a short-circuit current rating of 85 kA at 480 V and a short-time current rating of 85 kA. Its PR122/P-LI release provides long-time and instantaneous protection functions, with an instantaneous reference current of 48,000 A.
This specific configuration is a three-pole fixed breaker with horizontal rear terminals and is identified as a UL configuration. The combination of fixed construction, high interruption performance and electronic protection makes it well suited to permanent installation in high-capacity industrial and infrastructure switchboards.
Key Advantages
- High-performance ABB SACE Emax E4H-A air circuit breaker for demanding low-voltage distribution.
- 3200 A rated current for high-capacity electrical systems.
- 85 kA short-circuit current rating at 480 V.
- 85 kA short-time current rating.
- Three-pole fixed configuration for three-phase distribution networks.
- Advanced PR122/P-LI R3200 electronic overcurrent release.
- LI protection provides long-time overload and instantaneous short-circuit protection.
- Horizontal rear terminals support permanent switchboard integration.
Key Features
- ABB SACE Emax E4H-A 3200 air circuit breaker.
- 3200 A rated current.
- Three poles.
- Fixed execution.
- Horizontal rear terminals.
- PR122/P-LI R3200 electronic trip unit.
- Long-time (L) overload protection.
- Instantaneous (I) short-circuit protection.
- 48,000 A instantaneous reference current.
- 85 kA short-circuit current at 480 V.
- 85 kA short-time current.
- UL configuration for low-voltage power-distribution applications.
Reliable Circuit Protection for High-Current Power Distribution
Air circuit breakers provide essential protection for high-capacity low-voltage systems by interrupting abnormal current during overload and short-circuit conditions. Effective electronic overcurrent protection helps safeguard cables, busbars, transformers and connected equipment while reducing the risk of damaging fault currents propagating through the distribution system.
The ABB PR122/P-LI release combines long-time overload protection with instantaneous short-circuit protection. Together with the E4H-A platform's 85 kA short-circuit capability at 480 V, the 1SDA057891R1 provides a robust solution for switchboards requiring dependable 3200 A protection and high fault-current performance.
Typical Applications
- Industrial low-voltage switchboards.
- Main incoming circuit protection.
- High-current feeder protection.
- High-capacity power-distribution switchgear.
- Manufacturing and process-industry electrical systems.
- High-current three-phase distribution networks.
- Commercial and infrastructure power installations.
- Generator and transformer distribution systems.
Technical Specifications
| Series | SACE Emax / New Emax |
|---|---|
| ABB order code | 1SDA057891R1 |
| Product type | Air circuit breaker |
| Frame | E4H-A 3200 |
| Rated current | 3200 A |
| Number of poles | 3 |
| Execution | Fixed |
| Terminal arrangement | Horizontal rear terminals (HR) |
| Trip unit | PR122/P-LI R3200 |
| Protection functions | Long-time and instantaneous (LI) |
| Instantaneous reference current | 48,000 A |
| Short-circuit current at 480 V | 85 kA |
| Short-time current | 85 kA |
| Configuration | UL |
| ABB product group | 310513-New Emax |
Frequently Asked Questions
What is the ABB 1SDA057891R1?
The ABB 1SDA057891R1 is a SACE Emax E4H-A 3200 three-pole fixed air circuit breaker rated at 3200 A and equipped with a PR122/P-LI R3200 electronic overcurrent release.
What protection functions does the PR122/P-LI trip unit provide?
The PR122/P-LI provides long-time overload and instantaneous short-circuit protection, commonly abbreviated as LI.
What is the short-circuit rating of the ABB E4H-A 3200?
The E4H-A 3200 has a short-circuit current rating of 85 kA at 480 V and a short-time current rating of 85 kA.
Is the ABB 1SDA057891R1 fixed or withdrawable?
The 1SDA057891R1 is a fixed E4H-A 3200 air circuit breaker with horizontal rear terminals.
What is the instantaneous reference current of the ABB 1SDA057891R1?
The PR122/P-LI R3200 configuration used in the 1SDA057891R1 has an instantaneous reference current of 48,000 A.
Trusted by Electrical Distribution Professionals Worldwide
ABB SACE Emax air circuit breakers are engineered for dependable protection and switching in demanding low-voltage power-distribution systems, combining robust high-current performance with advanced electronic protection and flexible switchgear integration.
