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1SDA059257R1 ABB E2N1000 PR121/P-LI 1000A 3-Pole Fixed Air Circuit Breaker
ABB 1SDA059257R1 is a SACE Emax E2N 1000 A three-pole fixed air circuit breaker with rear horizontal terminals, a PR121/P-LI R1000 electronic overcurrent release and LI overcurrent protection.
£7,316.82
Why Choose the ABB E2N1000 PR121/P-LI 1000A 3-Pole Fixed Circuit Breaker?
The ABB E2N1000 PR121/P-LI, order code 1SDA059257R1, is a high-performance SACE Emax air circuit breaker designed for protection and switching in demanding low-voltage electrical distribution systems. Part of the proven ABB SACE Emax E2N series, this three-pole fixed circuit breaker has a rated current of 1000 A and incorporates the PR121/P-LI R1000 electronic overcurrent release.
The PR121/P-LI protection unit provides long-time overload and instantaneous short-circuit protection, helping safeguard cables, busbars and connected equipment against damaging overcurrent conditions. Its electronic protection and E2N performance platform make this breaker suitable for industrial switchboards, power distribution assemblies and infrastructure installations requiring dependable high-current protection.
This version is a three-pole fixed circuit breaker with rear horizontal terminals. It is fitted with four auxiliary change-over contacts and provides circuit-breaker open/closed position indication, supporting status monitoring and integration into industrial power distribution and control systems.
Key Advantages
- Heavy-duty ABB SACE Emax air circuit breaker for low-voltage power distribution.
- 1000 A rated current for high-current industrial installations.
- Three-pole configuration suitable for three-phase distribution systems.
- PR121/P-LI electronic overcurrent release for dependable protection.
- LI functionality provides long-time overload and instantaneous short-circuit protection.
- Fixed construction with rear horizontal terminals for switchboard integration.
- Four auxiliary change-over contacts support open/closed breaker status indication.
Key Features
- ABB SACE Emax E2N air circuit breaker platform.
- 1000 A rated permanent current.
- 3-pole configuration.
- PR121/P-LI R1000 electronic overcurrent release.
- Long-time L overload protection.
- Instantaneous I short-circuit protection.
- 65 kA ultimate short-circuit breaking capacity at 400 V AC, 50 Hz.
- Fixed circuit-breaker execution.
- Rear horizontal terminals.
- Four auxiliary change-over contacts with open/closed position indication.
Reliable Protection for Low-Voltage Power Distribution
ABB SACE Emax air circuit breakers are engineered to provide dependable switching and protection for high-current low-voltage distribution circuits. The PR121/P electronic trip unit monitors current conditions and initiates breaker operation when configured protection thresholds are exceeded, helping reduce the risk of damage to cables, busbars and connected electrical equipment.
The LI protection configuration combines long-time overload protection with instantaneous short-circuit protection. Together with the E2N performance level, three-pole fixed construction and rear horizontal terminals, the E2N1000 provides a robust solution for industrial switchboards requiring reliable high-current switching and electronic circuit protection.
Typical Applications
- Industrial low-voltage distribution switchboards.
- Main and secondary electrical distribution systems.
- Manufacturing and process plant power systems.
- Commercial and infrastructure power distribution.
- High-current industrial distribution assemblies.
- Fixed switchgear requiring overload and instantaneous short-circuit protection.
Technical Specifications
| Series | SACE Emax E2N |
|---|---|
| ABB order code | 1SDA059257R1 |
| Product type | Air circuit breaker |
| Rated current | 1000 A |
| Number of poles | 3 |
| Trip unit | PR121/P-LI R1000 |
| Protection functions | L, I |
| Execution | Fixed |
| Terminal arrangement | Rear horizontal |
| Rated voltage | 690 V |
| Rated short-circuit breaking capacity Icu at 400 V, 50 Hz | 65 kA |
| Overload release current setting | 400–1000 A |
| Instantaneous short-circuit release adjustment range | 1500–15000 A |
| Auxiliary contacts | 4 change-over contacts |
| Position indication | Circuit breaker open/closed |
| Integrated earth-fault protection | No |
| Motor drive | Optional |
| Weight | 55 kg |
| EAN | 8015644616182 |
Frequently Asked Questions
What is the ABB 1SDA059257R1?
The ABB 1SDA059257R1 is a three-pole, 1000 A SACE Emax E2N fixed air circuit breaker with rear horizontal terminals and a PR121/P-LI R1000 electronic overcurrent release.
What is the rated current of the ABB E2N1000?
The E2N1000 has a rated current of 1000 A, with an overload release setting range of 400–1000 A.
What protection functions does the PR121/P-LI provide?
The PR121/P-LI provides long-time overload and instantaneous short-circuit protection, represented by the L and I protection functions.
Is ABB 1SDA059257R1 fixed or withdrawable?
The 1SDA059257R1 is a fixed three-pole circuit breaker equipped with rear horizontal main terminals.
What is the short-circuit breaking capacity of the ABB E2N1000?
The E2N1000 has a rated ultimate short-circuit breaking capacity of 65 kA at 400 V AC, 50 Hz.
Trusted ABB Power Distribution Technology
ABB SACE Emax air circuit breakers are designed for dependable protection and switching in demanding low-voltage power distribution systems, combining electronic overcurrent protection with robust construction and flexible switchgear integration.
