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1SDA059263R1 ABB Emax E2N1000 PR121/P LSI 1000 A 4-Pole Air Circuit Breaker
ABB 1SDA059263R1 Emax E2N1000 fixed four-pole air circuit breaker with a 1000 A rating, PR121/P LSI electronic trip unit and 65 kA breaking capacity at 415 V AC for low-voltage power distribution protection.
£10,016.09
Why Choose the ABB 1SDA059263R1 E2N1000 Air Circuit Breaker?
The ABB 1SDA059263R1 is a high-performance Emax E2N1000 air circuit breaker (ACB) designed for protection and switching in low-voltage electrical distribution systems. As part of the ABB Emax series, this four-pole fixed circuit breaker combines a 1000 A rated current with the PR121/P electronic trip unit for dependable overload and short-circuit protection.
Configured with LSI protection, the PR121/P trip unit provides long-time, short-time and instantaneous protection functions. This makes the breaker suitable for industrial switchboards, power distribution panels and infrastructure applications where selective and reliable circuit protection is required.
The E2N1000 has a rated uninterrupted current of 1000 A and, in this configuration, features four poles, a fixed mounting arrangement and horizontal rear terminals. The E2N version provides a rated ultimate short-circuit breaking capacity of 65 kA at 415 V AC and a rated short-time withstand current of 55 kA for 1 s.
Key Advantages
- High-performance ABB Emax air circuit breaker for low-voltage power distribution.
- 1000 A rated current for demanding industrial electrical systems.
- Four-pole configuration for switching and protecting three-phase systems with neutral.
- PR121/P electronic trip unit with LSI protection functions.
- 65 kA breaking capacity at 415 V AC for robust short-circuit protection.
- Fixed installation with horizontal rear terminals for switchboard integration.
Key Features
- ABB Emax E2N1000 air circuit breaker.
- 1000 A rated uninterrupted current.
- 4-pole configuration.
- PR121/P electronic trip unit.
- LSI protection providing long-time, short-time and instantaneous protection.
- 65 kA ultimate short-circuit breaking capacity at 415 V AC.
- 55 kA short-time withstand current for 1 s.
- Fixed mounting configuration.
- Horizontal rear terminals for electrical connection.
Reliable Circuit Protection for Power Distribution
Air circuit breakers such as the ABB Emax E2N1000 are designed to protect low-voltage electrical installations against overloads and short circuits while also providing dependable switching and isolation. Their high current and fault-handling capabilities make them particularly suitable for main distribution boards and industrial power systems.
The PR121/P electronic trip unit continuously monitors current and provides configurable protection through long-time, short-time and instantaneous functions. Combined with the Emax platform, this allows the breaker to provide effective protection while supporting coordination and selectivity within complex electrical distribution networks.
Typical Applications
- Main low-voltage electrical distribution boards.
- Industrial switchboards and switchgear assemblies.
- Manufacturing and process plant electrical systems.
- Commercial and infrastructure power distribution.
- Generator and transformer distribution systems.
- High-current electrical protection and switching applications.
Technical Specifications
| Series | Emax |
|---|---|
| ABB order code | 1SDA059263R1 |
| Product group | 310513-New Emax |
| Product type | Air circuit breaker |
| Frame / breaker type | E2N1000 |
| Rated uninterrupted current | 1000 A |
| Number of poles | 4 |
| Trip unit | PR121/P electronic trip unit |
| Protection functions | LSI (Long-time, Short-time, Instantaneous) |
| Ultimate short-circuit breaking capacity | 65 kA at 415 V AC |
| Short-time withstand current | 55 kA for 1 s |
| Mounting type | Fixed |
| Terminal arrangement | Horizontal rear terminals |
Frequently Asked Questions
What is the ABB 1SDA059263R1 used for?
The ABB 1SDA059263R1 is an Emax E2N1000 air circuit breaker used for switching and protecting low-voltage electrical distribution systems against overload and short-circuit conditions.
What is the current rating of the ABB 1SDA059263R1?
The circuit breaker has a rated uninterrupted current of 1000 A.
What protection functions does the PR121/P trip unit provide?
The PR121/P is configured for LSI protection, providing long-time overload, short-time short-circuit and instantaneous short-circuit protection functions.
What is the breaking capacity of the E2N1000?
The E2N1000 has an ultimate short-circuit breaking capacity of 65 kA at 415 V AC.
Is the ABB 1SDA059263R1 fixed or withdrawable?
This version is a fixed four-pole circuit breaker equipped with horizontal rear terminals for integration into low-voltage switchboards.
Trusted by Electrical Professionals Worldwide
ABB Emax air circuit breakers are designed for dependable protection and switching in industrial and commercial low-voltage power distribution systems, combining high fault-handling capability with electronic protection technology.
