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1SDA055772R1 ABB E1N1600 PR122/P-LSI 1600 A 4-Pole Air Circuit Breaker
ABB 1SDA055772R1 SACE New Emax E1N1600 four-pole fixed air circuit breaker with 1600 A rated current, PR122/P-LSI R1600 electronic protection, 690 V AC rating and rear horizontal terminals for low-voltage power distribution.
£10,489.33
Why Choose the ABB 1SDA055772R1 E1N1600 Air Circuit Breaker?
The ABB 1SDA055772R1 is a high-performance SACE Emax E1N1600 air circuit breaker (ACB) designed for reliable switching and protection of high-current low-voltage electrical distribution systems. As part of the ABB New Emax series, this four-pole fixed circuit breaker combines a rated uninterrupted current of 1600 A with the advanced PR122/P-LSI R1600 electronic overcurrent release.
The PR122/P-LSI trip unit provides long-time (L), short-time (S) and instantaneous (I) protection, helping protect electrical installations against overload and short-circuit conditions. Its electronic protection functionality supports accurate coordination within industrial, commercial and infrastructure power distribution networks.
This E1N1600 configuration features a four-pole fixed construction with rear horizontal flat terminals. It has a rated voltage of 690 V AC and a rated ultimate short-circuit breaking capacity of 50 kA, while four auxiliary contacts and open/closed circuit-breaker position indication support straightforward integration into switchboards and monitoring systems.
Key Advantages
- Heavy-duty ABB SACE Emax air circuit breaker for low-voltage power distribution.
- 1600 A rated uninterrupted current for high-current electrical installations.
- Four-pole configuration for comprehensive switching and circuit protection.
- Advanced PR122/P-LSI R1600 electronic overcurrent release.
- Provides long-time, short-time and instantaneous protection.
- 50 kA ultimate short-circuit breaking capacity.
- Fixed construction with rear horizontal flat terminals for switchboard integration.
Key Features
- ABB SACE New Emax E1N1600 series.
- 1600 A rated uninterrupted current.
- Four-pole fixed version.
- PR122/P-LSI R1600 electronic trip unit.
- Long-time overload protection.
- Short-time short-circuit protection.
- Instantaneous short-circuit protection.
- 690 V AC rated voltage.
- 50 kA rated ultimate short-circuit breaking capacity (Icu).
- E1N short-circuit performance level.
- Rear horizontal flat main circuit terminals.
- Four auxiliary contacts.
- Open/closed circuit-breaker position indication.
- Fixed installation for compatible low-voltage switchgear assemblies.
Reliable Circuit Protection for Power Distribution
Air circuit breakers such as the ABB SACE Emax E1N1600 provide switching, isolation and protection for high-current low-voltage distribution circuits. The electronic protection release continuously monitors electrical conditions and initiates circuit-breaker operation when configured overload or short-circuit thresholds are exceeded.
The PR122/P-LSI release combines long-time, short-time and instantaneous protection functions, supporting selective coordination between protective devices throughout complex electrical networks. Together with its fixed four-pole construction and rear horizontal connections, the 1SDA055772R1 is well suited to integration within industrial switchboards, main distribution boards and other high-current electrical infrastructure.
Typical Applications
- Industrial low-voltage switchboards and distribution panels.
- Main incoming and feeder circuit protection.
- Commercial building electrical distribution systems.
- Manufacturing and process industry power systems.
- Infrastructure and utility distribution equipment.
- High-current machinery and plant electrical installations.
Technical Specifications
| Series | SACE New Emax E1N |
|---|---|
| Order code / MPN | 1SDA055772R1 |
| ABB product group | 310513-New Emax |
| Product type | Air circuit breaker (ACB) |
| Breaker frame | E1N1600 |
| Rated uninterrupted current (Iu) | 1600 A |
| Rated voltage | 690 V AC |
| Number of poles | 4 |
| Trip unit | PR122/P-LSI R1600 |
| Release technology | Electronic |
| Protection functions | L (long-time), S (short-time) and I (instantaneous) |
| Rated ultimate short-circuit breaking capacity (Icu) | 50 kA |
| Short-circuit performance level | N |
| Construction | Fixed |
| Main terminals | Rear horizontal flat terminals |
| Auxiliary contacts | 4 |
| Open/closed position indication | Yes |
| Motor operating mechanism | Optional |
| Product dimensions (W × H × D) | 386 × 418 × 302 mm |
| Product net weight | 50 kg |
| Standard | IEC |
| EAN | 8015644571122 |
Frequently Asked Questions
What is the ABB 1SDA055772R1 used for?
The ABB 1SDA055772R1 is a 1600 A four-pole fixed air circuit breaker used for switching and protecting high-current low-voltage electrical distribution circuits.
What protection functions does the ABB 1SDA055772R1 provide?
The fitted PR122/P-LSI R1600 electronic trip unit provides long-time overload, short-time short-circuit and instantaneous short-circuit protection.
What is the rated current of the ABB 1SDA055772R1?
The E1N1600 circuit breaker has a rated uninterrupted current of 1600 A.
Is the ABB 1SDA055772R1 fixed or withdrawable?
The 1SDA055772R1 is a fixed four-pole circuit breaker equipped with rear horizontal flat terminals for installation within compatible low-voltage switchgear.
What is the short-circuit breaking capacity of the ABB 1SDA055772R1?
The E1N1600 has a rated ultimate short-circuit breaking capacity of 50 kA, including at 400 V AC and 690 V AC.
Trusted by Electrical Professionals Worldwide
ABB SACE Emax air circuit breakers are widely used in demanding low-voltage power distribution systems, combining high-current switching performance with advanced electronic protection and flexible integration into industrial and commercial switchgear.
