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1SDA055836R1 ABB E2B 2000 PR122/P-LSI 2000 A 4-Pole Air Circuit Breaker
ABB 1SDA055836R1 SACE Emax E2B 2000 is a 2000 A four-pole fixed air circuit breaker with rear horizontal terminals, a PR122/P-LSI electronic overcurrent release and 42 kA short-circuit breaking capacity at 400/415 V AC.
£13,454.60
Why Choose the ABB 1SDA055836R1 E2B 2000 Air Circuit Breaker?
The ABB 1SDA055836R1 is a SACE Emax E2B 2000 air circuit breaker designed for high-current switching and overcurrent protection in low-voltage AC power distribution systems. This four-pole fixed circuit breaker has a rated current of 2000 A and is equipped with a PR122/P-LSI R2000 electronic overcurrent release providing long-time, short-time and instantaneous protection.
Part of the established ABB SACE Emax range, the E2B 2000 combines substantial current-carrying capability with configurable electronic protection for industrial switchboards and power distribution assemblies. The E2B performance level provides a short-circuit breaking capacity of 42 kA at 400/415 V AC, supporting demanding main distribution and high-current feeder applications.
The 1SDA055836R1 is a four-pole fixed (F) circuit breaker fitted with rear horizontal (HR) terminals. Its 690 V AC rated voltage and four-pole arrangement make it suitable for three-phase distribution systems requiring neutral switching, while four auxiliary contacts and open/closed position indication support integration with switchboard monitoring and control systems.
Key Advantages
- High-current 2000 A air circuit breaker for demanding low-voltage distribution systems.
- PR122/P-LSI R2000 electronic release provides long-time, short-time and instantaneous protection.
- 42 kA short-circuit breaking capacity at 400/415 V AC.
- Four-pole configuration supports switching and protection of three phases and neutral.
- Fixed installation provides robust permanent integration within low-voltage switchboards.
- Rear horizontal terminals support practical connection to switchboard busbars and conductors.
- Adjustable overload and short-circuit protection supports coordination with the wider distribution system.
- Four auxiliary contacts and open/closed position indication support remote breaker status monitoring.
Key Features
- ABB SACE Emax E2B 2000 air circuit breaker.
- 2000 A rated uninterrupted current.
- 4-pole configuration.
- PR122/P-LSI R2000 electronic overcurrent release.
- LSI protection provides long-time, short-time and instantaneous overcurrent protection.
- Fixed (F) circuit-breaker version.
- Rear horizontal (HR) main terminals.
- 690 V AC rated voltage.
- 42 kA short-circuit breaking capacity at 400/415 V AC.
- Adjustable overload protection range from 800–2000 A.
- Adjustable short-time short-circuit protection range from 1200–20000 A.
- Adjustable instantaneous short-circuit protection range from 3000–30000 A.
- Four auxiliary contacts arranged as 2 NO + 2 NC.
- Open/closed position indication for circuit-breaker status monitoring.
Reliable LSI Protection for 2000 A Power Distribution
The ABB SACE Emax E2B 2000 provides high-current switching and electronic overcurrent protection for critical low-voltage distribution circuits. Its PR122/P-LSI release combines long-time protection against sustained overloads, short-time protection for selective fault coordination and instantaneous protection against severe short-circuit currents, helping protect conductors, switchgear and downstream equipment.
With a 2000 A current rating, four-pole construction, fixed installation and 42 kA short-circuit capability at 400/415 V AC, the 1SDA055836R1 is suited to main incoming and high-current feeder duties. Rear horizontal terminals support integration into suitable busbar systems, while its auxiliary contacts and position indication provide useful status information for switchboard control and monitoring.
Typical Applications
- Industrial low-voltage distribution switchboards.
- Main incoming circuit protection.
- Four-pole three-phase and neutral distribution systems.
- High-current feeder protection.
- Power distribution centres and switchgear assemblies.
- Manufacturing and process plants.
- Commercial and infrastructure electrical distribution.
- OEM switchboards requiring adjustable LSI electronic protection.
Technical Specifications
| Series | SACE Emax |
|---|---|
| ABB order code | 1SDA055836R1 |
| Product type | Air circuit breaker |
| Frame / sub-type | E2 |
| Performance level | B |
| Rated current (In) | 2000 A |
| Rated uninterrupted current (Iu) | 2000 A |
| Number of poles | 4 |
| Current type | AC |
| Rated voltage | 690 V AC |
| Short-circuit breaking capacity at 400/415 V AC | 42 kA |
| Release | PR122/P-LSI R2000 |
| Release type | Electronic |
| Protection functions | LSI – long-time, short-time and instantaneous |
| Long-time protection (L) | Overload protection |
| Overload adjustment range | 800–2000 A |
| Short-time protection (S) | Selective short-circuit protection |
| Short-time short-circuit adjustment range | 1200–20000 A |
| Instantaneous protection (I) | Instantaneous short-circuit protection |
| Instantaneous short-circuit adjustment range | 3000–30000 A |
| Installation | Fixed |
| Main connection position | Rear |
| Terminal connection | Rear horizontal |
| Main circuit connection | Bolted connection |
| Normally open auxiliary contacts | 2 |
| Normally closed auxiliary contacts | 2 |
| Total auxiliary contacts | 4 |
| Position indication | Circuit breaker open / closed |
| Trip indication | Yes |
| Integrated motor operator | No |
| Optional motor operator | Yes |
| Integrated undervoltage release | No |
| Integrated earth-leakage protection | No |
| Degree of protection | IP2X |
| Net weight | 68 kg |
| EAN | 8015644571764 |
Frequently Asked Questions
What is the ABB 1SDA055836R1?
The ABB 1SDA055836R1 is a SACE Emax E2B 2000 four-pole fixed air circuit breaker rated at 2000 A, with rear horizontal terminals and a PR122/P-LSI electronic overcurrent release.
What protection release is fitted to the ABB 1SDA055836R1?
The breaker is fitted with a PR122/P-LSI R2000 electronic release providing long-time, short-time and instantaneous overcurrent protection.
What does LSI protection mean on the PR122/P release?
LSI denotes long-time, short-time and instantaneous protection. These functions provide overload protection, selective short-circuit protection and rapid operation during severe short-circuit faults.
Is the ABB 1SDA055836R1 fixed or withdrawable?
The 1SDA055836R1 is a fixed four-pole circuit breaker fitted with rear horizontal terminals for permanent installation within a compatible low-voltage switchboard.
What is the short-circuit breaking capacity of the ABB E2B 2000?
The ABB E2B 2000 has a short-circuit breaking capacity of 42 kA at 400/415 V AC, making it suitable for high-current low-voltage distribution applications with substantial prospective fault levels.
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, adjustable protection and dependable fault interruption for demanding industrial and infrastructure applications.
