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1SDA055987R1 ABB E2S 1600 PR122/P-LI 1600A 3-Pole Fixed Air Circuit Breaker
ABB 1SDA055987R1 is a SACE Emax E2S 1600 A three-pole fixed air circuit breaker with rear horizontal terminals and a PR122/P-LI electronic overcurrent release for high-current low-voltage power distribution protection.
£8,185.97
Why Choose the ABB 1SDA055987R1 E2S 1600 Air Circuit Breaker?
The ABB 1SDA055987R1 is a SACE Emax E2S 1600 air circuit breaker designed for dependable switching and overcurrent protection in demanding low-voltage power distribution systems. This three-pole fixed circuit breaker combines a 1600 A rated uninterrupted current with ABB's PR122/P-LI R1600 electronic overcurrent release, providing long-time overload and instantaneous short-circuit protection.
The E2S 1600 is supplied in a fixed configuration with rear horizontal terminals and provides an ultimate short-circuit breaking capacity of 85 kA at 400 V AC, 50 Hz. Its PR122/P-LI release has an overload setting range of 640–1600 A and an instantaneous short-circuit release adjustment range of 2400–24000 A.
Designed for integration into high-current switchboards, the ABB 1SDA055987R1 is fitted with four change-over auxiliary contacts and circuit-breaker open/closed position indication. Its combination of high breaking performance, electronic LI protection and fixed rear-horizontal connection makes it suitable for industrial, commercial and infrastructure distribution applications.
Key Advantages
- High-current 1600 A air circuit breaker for demanding low-voltage distribution.
- 85 kA ultimate short-circuit breaking capacity at 400 V AC, 50 Hz.
- Three-pole fixed construction for permanent switchboard installation.
- Rear horizontal terminals for main-circuit connection.
- Advanced PR122/P-LI R1600 electronic overcurrent release.
- LI functionality provides long-time overload and instantaneous short-circuit protection.
Key Features
- ABB SACE Emax E2S 1600 air circuit breaker.
- 1600 A rated uninterrupted current.
- Three-pole circuit breaker configuration.
- Fixed (F) version.
- Rear horizontal terminals (HR).
- PR122/P-LI R1600 electronic trip unit.
- Long-time overload protection.
- Instantaneous short-circuit protection.
- Four change-over auxiliary contacts.
- Circuit-breaker open/closed position indication.
Reliable LI Protection for High-Current Power Distribution
Air circuit breakers such as the ABB SACE Emax E2S provide switching, isolation and automatic overcurrent protection for high-current low-voltage distribution circuits. The electronic trip unit monitors circuit current and initiates breaker operation when configured protection thresholds are exceeded, helping protect conductors, switchgear and connected electrical equipment against damaging overload and short-circuit currents.
The PR122/P-LI release provides this E2S 1600 with long-time overload and instantaneous short-circuit protection. Combined with its 1600 A rating, three-pole fixed construction, rear horizontal terminals and 85 kA breaking capacity at 400 V AC, the ABB 1SDA055987R1 is well suited to demanding high-current distribution applications.
Typical Applications
- Industrial low-voltage switchboards and distribution panels.
- Main incoming circuit protection.
- High-current three-phase distribution feeders.
- Transformer secondary circuit protection.
- Manufacturing and process facilities.
- Commercial buildings and infrastructure power distribution.
- Installations with high prospective short-circuit currents.
Technical Specifications
| Series | SACE Emax |
|---|---|
| ABB order code / MPN | 1SDA055987R1 |
| ABB product group | 310513-New Emax |
| Product type | Air circuit breaker |
| Frame | E2S 1600 |
| Rated current (In) | 1600 A |
| Rated uninterrupted current (Iu) | 1600 A |
| Number of poles | 3 |
| Version | Fixed (F) |
| Main circuit connection | Rear horizontal terminals (HR) |
| Trip unit | PR122/P-LI R1600 |
| Release type | Electronic |
| Protection functions | Long-time and instantaneous (LI) |
| Overload release setting range | 640–1600 A |
| Instantaneous short-circuit release setting range | 2400–24000 A |
| Rated voltage | 690 V |
| Ultimate short-circuit breaking capacity (Icu) at 400 V AC, 50 Hz | 85 kA |
| Integrated earth-fault protection | No |
| Auxiliary contacts | 4 change-over contacts |
| Position indication | Circuit breaker open / closed |
| Motor drive integrated | No |
| Motor drive optional | Yes |
| Product net weight | 55 kg |
| EAN | 8015644573270 |
Frequently Asked Questions
What is the ABB 1SDA055987R1?
The ABB 1SDA055987R1 is a SACE Emax E2S 1600 three-pole fixed air circuit breaker rated at 1600 A, with rear horizontal terminals and a PR122/P-LI R1600 electronic overcurrent release.
What protection functions does the PR122/P-LI release provide?
The PR122/P-LI provides long-time overload and instantaneous short-circuit protection, collectively identified as LI protection.
What is the breaking capacity of the ABB 1SDA055987R1?
The ABB E2S 1600 has an ultimate short-circuit breaking capacity of 85 kA at 400 V AC, 50 Hz.
Is the ABB 1SDA055987R1 fixed or withdrawable?
The ABB 1SDA055987R1 is a fixed (F) air circuit breaker with rear horizontal terminals for permanent installation in compatible low-voltage switchgear.
Does the ABB 1SDA055987R1 provide earth-fault protection?
No. The PR122/P-LI configuration provides long-time and instantaneous overcurrent protection and does not incorporate the earth-fault protection function provided by LSIG configurations.
What is the adjustment range of the PR122/P-LI release?
The overload release can be set from 640–1600 A, while the instantaneous short-circuit release has an adjustment range of 2400–24000 A.
Trusted by Electrical Professionals Worldwide
ABB SACE Emax air circuit breakers are engineered for dependable switching and protection in demanding low-voltage power distribution systems, supporting industrial, commercial and infrastructure installations where reliable high-current circuit protection is essential.
