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1SDA055947R1 ABB E2N 2000 PR122/P-LI 2000 A 4-Pole Withdrawable Air Circuit Breaker Moving Part
ABB 1SDA055947R1 SACE Emax E2N 2000 is a 2000 A four-pole withdrawable air circuit breaker moving part with a PR122/P-LI electronic overcurrent release, four auxiliary contacts and open/closed position indication.
£15,283.32
Why Choose the ABB 1SDA055947R1 E2N 2000 Air Circuit Breaker Moving Part?
The ABB 1SDA055947R1 is a SACE Emax E2N 2000 moving part for a withdrawable air circuit breaker, designed for high-current switching and electronic overcurrent protection in demanding low-voltage AC power distribution systems. This four-pole unit has a rated current of 2000 A and is equipped with a PR122/P-LI R2000 electronic overcurrent release.
The PR122/P-LI release provides long-time overload and instantaneous short-circuit protection, helping protect distribution circuits, conductors and connected equipment against sustained overcurrents and severe fault currents. As part of the ABB SACE Emax E2N platform, the breaker is engineered for high-performance power distribution where dependable interruption and electronic protection are essential.
The 1SDA055947R1 is a four-pole withdrawable (W) moving part intended for installation with a compatible ABB SACE Emax fixed part. Its withdrawable construction supports efficient inspection, maintenance and replacement within suitable switchgear, while four auxiliary contacts and circuit-breaker open/closed position indication support integration with monitoring, signalling and control systems.
Key Advantages
- High-current 2000 A E2N air circuit breaker moving part for demanding low-voltage distribution systems.
- PR122/P-LI R2000 electronic release provides long-time overload and instantaneous short-circuit protection.
- Four-pole configuration supports three-phase distribution systems requiring neutral switching.
- Withdrawable construction facilitates inspection, servicing and replacement within compatible SACE Emax switchgear.
- E2N performance class provides substantial short-circuit interruption capability for critical power distribution.
- Electronic protection offers accurate and repeatable response to overload and high-level short-circuit conditions.
- Four auxiliary contacts support remote status signalling and switchboard control functions.
- Open/closed position indication provides clear circuit-breaker operating status.
Key Features
- ABB SACE Emax E2N 2000 air circuit breaker moving part.
- 2000 A rated current.
- 4-pole configuration.
- PR122/P-LI R2000 electronic overcurrent release.
- LI functions provide long-time and instantaneous protection.
- Withdrawable (W) circuit-breaker configuration.
- Moving part (MP) for use with a compatible SACE Emax fixed part.
- Designed for high-current low-voltage AC power distribution.
- Four circuit-breaker auxiliary contacts.
- Open/closed circuit-breaker position indication.
- Four-pole switching supports three-phase plus neutral distribution arrangements.
- Part of ABB's established SACE Emax E2 air circuit breaker platform.
Reliable PR122/P-LI Protection for 2000 A Power Distribution
The ABB SACE Emax E2N 2000 provides dependable switching and electronic overcurrent protection for high-current low-voltage distribution circuits. Its PR122/P-LI electronic release combines long-time protection against sustained overload conditions with instantaneous protection for rapid interruption of severe short-circuit currents, helping safeguard cables, busbars, switchgear and connected electrical equipment.
As a withdrawable moving part, the 1SDA055947R1 can be installed with the corresponding compatible SACE Emax fixed part to create a serviceable circuit-breaker arrangement. Its 2000 A rating and four-pole architecture make it suitable for substantial three-phase plus neutral distribution circuits, while the withdrawable design supports maintenance strategies where equipment accessibility and reduced switchboard servicing time are important.
Typical Applications
- Industrial low-voltage distribution switchboards.
- Main incoming circuit protection.
- Three-phase and neutral power distribution systems.
- High-current feeder protection.
- Withdrawable switchgear assemblies.
- Manufacturing and process plants.
- Commercial and infrastructure electrical distribution.
- Power distribution systems requiring electronic overload and instantaneous short-circuit protection.
Technical Specifications
| Series | SACE Emax |
|---|---|
| ABB order code | 1SDA055947R1 |
| Extended product type | E2N2000PR122/P-LIIn=2000A4pWMP |
| Product group | 310513-New Emax |
| Product type | Air circuit breaker moving part |
| Frame | E2 |
| Performance level | N |
| Rated current (In) | 2000 A |
| Number of poles | 4 |
| Current type | AC |
| Release | PR122/P-LI R2000 |
| Release type | Electronic overcurrent release |
| Protection functions | LI – long-time and instantaneous |
| Long-time protection (L) | Overload protection |
| Instantaneous protection (I) | Instantaneous short-circuit protection |
| Version | Withdrawable |
| Configuration | Moving part |
| Auxiliary contacts | 4 |
| Position indication | Circuit breaker open / closed |
| Net weight | 73 kg |
| EAN | 8015644572877 |
| HS code | 85362090 |
Frequently Asked Questions
What is the ABB 1SDA055947R1?
The ABB 1SDA055947R1 is the moving part of a four-pole SACE Emax E2N 2000 withdrawable air circuit breaker, rated at 2000 A and fitted with a PR122/P-LI R2000 electronic overcurrent release.
What protection release is fitted to the ABB 1SDA055947R1?
The 1SDA055947R1 is fitted with a PR122/P-LI R2000 electronic overcurrent release, providing long-time overload and instantaneous short-circuit protection.
What does LI protection mean?
LI denotes long-time and instantaneous protection. Long-time protection responds to sustained overload conditions, while instantaneous protection provides rapid circuit-breaker operation during severe short-circuit faults.
Is the ABB 1SDA055947R1 fixed or withdrawable?
The 1SDA055947R1 is a withdrawable circuit-breaker moving part intended for installation with a compatible ABB SACE Emax fixed part.
How many poles does the ABB 1SDA055947R1 have?
The ABB 1SDA055947R1 is a four-pole air circuit breaker moving part, making it suitable for three-phase distribution systems where switching of the neutral conductor is required.
Trusted ABB Protection for Critical Distribution Systems
ABB SACE Emax air circuit breakers provide robust switching and electronic protection for low-voltage power distribution, combining high-current capability, dependable PR122/P-LI protection and serviceable withdrawable construction for demanding industrial and infrastructure applications.
