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1SDA055944R1 ABB E2N2000 2000 A 4-Pole Withdrawable Air Circuit Breaker
ABB E2N2000 1SDA055944R1 is a 2000 A four-pole withdrawable SACE Emax air circuit breaker moving part with a PR121/P-LI electronic trip unit for high-current low-voltage distribution protection.
£15,204.90
Why Choose the ABB E2N2000 1SDA055944R1 Air Circuit Breaker?
The ABB E2N2000 1SDA055944R1 is a high-performance SACE Emax air circuit breaker (ACB) moving part designed for protection and switching in high-current low-voltage electrical distribution systems. Part of the proven ABB SACE Emax E2 series, this four-pole withdrawable breaker combines a 2000 A rated current with the electronic PR121/P-LI trip unit for reliable overload and instantaneous short-circuit protection.
Designed for demanding industrial and commercial power distribution applications, the E2N2000 provides dependable circuit protection while allowing convenient withdrawal of the breaker moving part for inspection and maintenance when installed with the appropriate fixed part. The PR121/P-LI electronic release provides long-time and instantaneous protection functions for effective protection against overloads and short circuits.
This model is a four-pole withdrawable moving part with a rated operational voltage of up to 690 V AC. Its E2N short-circuit performance level provides a rated ultimate breaking capacity of 65 kA at 415 V AC, making it suitable for substantial industrial distribution systems where high fault-current interruption capability is required.
Key Advantages
- High-current 2000 A air circuit breaker moving part for low-voltage power distribution.
- PR121/P-LI electronic trip unit provides long-time overload and instantaneous short-circuit protection.
- 65 kA breaking capacity at 415 V AC for demanding fault conditions.
- Four-pole withdrawable configuration supports maintainable switchboard installations.
- Rated operational voltage up to 690 V AC.
- Supplied with auxiliary contacts and circuit-breaker open/closed position indication.
Key Features
- ABB SACE Emax E2N2000 air circuit breaker.
- 2000 A rated current.
- 4-pole configuration.
- PR121/P-LI electronic release.
- LI protection functions: long-time and instantaneous.
- Withdrawable moving part (WMP) execution.
- 65 kA Icu at 415 V AC.
- 55 kA Icw for 1 second.
- Rated insulation voltage of 1000 V.
- Rated impulse withstand voltage of 12 kV.
- Four auxiliary change-over contacts.
- Open/closed circuit-breaker position indication.
Reliable Protection for High-Current Distribution Systems
Air circuit breakers such as the ABB E2N2000 provide switching and protection at the main and distribution levels of low-voltage electrical installations. Their high current ratings and substantial short-circuit interruption capability make them particularly suitable for switchboards supplying industrial machinery, infrastructure and large commercial loads.
The PR121/P-LI electronic trip unit provides long-time overload and instantaneous short-circuit protection. Combined with the withdrawable Emax platform, this allows reliable electrical protection together with convenient breaker removal for servicing and maintenance when used with the compatible withdrawable fixed part.
Typical Applications
- Main low-voltage switchboards and distribution boards.
- Industrial power distribution systems.
- Manufacturing and process plants.
- Commercial and infrastructure electrical installations.
- Transformer secondary and feeder protection.
- High-current machinery and production systems.
Technical Specifications
| Series | SACE Emax E2 |
|---|---|
| ABB order code | 1SDA055944R1 |
| Product type | Air circuit breaker moving part |
| Rated current (In) | 2000 A |
| Rated uninterrupted current (Iu) | 2000 A |
| Rated operational current (Ie) | 2000 A |
| Number of poles | 4 |
| Execution | Withdrawable moving part |
| Operating mechanism | Manual |
| Trip unit | PR121/P-LI electronic release |
| Protection functions | L, I |
| Rated operational voltage | 690 V AC |
| Rated insulation voltage (Ui) | 1000 V |
| Rated impulse withstand voltage (Uimp) | 12 kV |
| Rated ultimate breaking capacity (Icu) at 415 V AC | 65 kA |
| Rated service breaking capacity (Ics) at 415 V AC | 65 kA |
| Rated ultimate breaking capacity (Icu) at 690 V AC | 55 kA |
| Rated short-time withstand current (Icw), 1 s | 55 kA |
| Rated short-time withstand current (Icw), 3 s | 42 kA |
| Short-circuit performance level | N |
| Current type | AC |
| Power loss | 330 W |
| Product dimensions (W × H × D) | 414 × 461 × 396.5 mm |
| Product net weight | 61 kg |
| Standard | IEC |
Frequently Asked Questions
What is the ABB E2N2000 1SDA055944R1 used for?
It is a 2000 A air circuit breaker moving part designed for switching and protection of high-current low-voltage electrical distribution systems.
What trip unit is fitted to the ABB 1SDA055944R1?
This circuit breaker is equipped with an ABB PR121/P-LI electronic trip unit providing long-time overload and instantaneous short-circuit protection.
What is the rated current of this circuit breaker?
The ABB E2N2000 1SDA055944R1 has a rated current of 2000 A.
What is the breaking capacity of the E2N2000?
The E2N2000 has a rated ultimate short-circuit breaking capacity of 65 kA at 415 V AC.
Is the ABB 1SDA055944R1 fixed or withdrawable?
This model is a four-pole withdrawable moving part designed for use with the corresponding SACE Emax withdrawable fixed part.
Trusted ABB Power Distribution Technology
ABB SACE Emax air circuit breakers are engineered for dependable protection and control of low-voltage power distribution systems, combining high breaking performance, electronic protection and maintainable withdrawable construction for demanding industrial and commercial installations.
