1SDA056435R1 ABB E3H2000 PR122/P-LI 2000A 3-Pole Fixed Air Circuit Breaker

1SDA056435R1 ABB E3H2000 PR122/P-LI 2000A 3-Pole Fixed Air Circuit Breaker

ABB 1SDA056435R1 is a SACE Emax E3H2000 2000 A three-pole fixed air circuit breaker with rear horizontal terminals and a PR122/P-LI R2000 electronic overcurrent release for low-voltage power distribution protection.

SKU: 1SDA056435R1MPN: 1SDA056435R1
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List Price £16,801.19 ex VAT
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Why Choose the ABB E3H2000 PR122/P-LI 2000A Air Circuit Breaker?

The ABB 1SDA056435R1 is a high-performance SACE Emax E3H air circuit breaker (ACB) designed for protection and switching of high-current low-voltage electrical distribution systems. Rated at 2000 A, this three-pole fixed circuit breaker incorporates ABB’s PR122/P-LI R2000 electronic overcurrent release for dependable overload and short-circuit protection in industrial, commercial and infrastructure power networks.

As part of the ABB SACE Emax range, the E3H2000 combines robust switching performance with advanced electronic protection. The PR122/P-LI trip unit provides long-time overload and instantaneous short-circuit protection functions, helping safeguard switchboards, cables and connected electrical equipment against damaging overcurrents.

The E3H2000 PR122/P-LI has a rated current of 2000 A and is supplied as a three-pole fixed circuit breaker with rear horizontal terminals. It is fitted with four auxiliary contacts and circuit-breaker open/closed position indication, making it suitable for integration into high-current low-voltage switchboards and critical power distribution assemblies.

Key Advantages

  • High-performance ABB SACE Emax air circuit breaker for low-voltage power distribution.
  • 2000 A rated current for demanding industrial and commercial installations.
  • PR122/P-LI R2000 electronic overcurrent release for dependable circuit protection.
  • LI protection provides long-time overload and instantaneous short-circuit protection.
  • Three-pole fixed construction for robust switchboard installation.
  • Rear horizontal terminals simplify integration into compatible busbar and switchgear arrangements.
  • Four auxiliary contacts provide circuit-breaker open/closed status indication.

Key Features

  • ABB SACE Emax E3H2000 air circuit breaker.
  • 2000 A rated current.
  • Three-pole fixed configuration.
  • PR122/P-LI R2000 electronic overcurrent release.
  • Long-time overload protection.
  • Instantaneous short-circuit protection.
  • 100 kA ultimate short-circuit breaking capacity at 400 V AC.
  • IP20 protection rating.
  • Rear horizontal main terminals.
  • Four auxiliary contacts.
  • Circuit-breaker open/closed position indication.
  • Designed for high-current low-voltage power distribution systems.

Advanced Circuit Protection for Power Distribution

Air circuit breakers such as the ABB SACE Emax E3H2000 provide switching, isolation and protection for high-current low-voltage distribution circuits. Their high breaking capacity enables substantial fault currents to be interrupted safely, helping protect switchboards, cables and connected electrical equipment in demanding power distribution environments.

The PR122/P-LI electronic trip unit provides long-time overload and instantaneous short-circuit protection. Combined with the robust fixed Emax construction and rear horizontal terminals, this makes the 1SDA056435R1 particularly suitable for main incomers, feeders and other critical circuits where dependable high-current protection is required.

Typical Applications

  • Low-voltage main distribution switchboards.
  • Industrial power distribution systems.
  • Main incomer and feeder circuit protection.
  • Manufacturing and process plants.
  • Commercial and infrastructure electrical installations.
  • Power distribution centres and fixed switchgear assemblies.

Technical Specifications

Product group 310513-New Emax
Series SACE Emax
Extended product type E3H2000PR122/P-LIIn=2000A3pFHR
Order code / MPN 1SDA056435R1
Product type Air circuit breaker
Frame E3H
Rated current 2000 A
Rated uninterrupted current (Iu) 2000 A
Number of poles 3
Execution Fixed
Current type AC
Trip unit PR122/P-LI R2000 electronic overcurrent release
Protection functions Long-time and instantaneous (LI)
Rated ultimate short-circuit breaking capacity (Icu) at 400 V AC 100 kA
Overload release adjustment range 400–2000 A
Instantaneous short-circuit release adjustment range 3000–30000 A
Protection rating IP20
Main terminal arrangement Rear horizontal
Main circuit connection Busbar connection
Auxiliary contacts 4 (2 normally open and 2 normally closed)
Position indication Circuit breaker open/closed
Electrical durability 9000 cycles
Mechanical durability 20000 cycles
Product dimensions (W × H × D) 404 × 418 × 302 mm
Net weight 60 kg
EAN 8015644577759
Customs tariff number 85362090

Frequently Asked Questions

What is the ABB 1SDA056435R1 used for?

The ABB 1SDA056435R1 is a SACE Emax E3H2000 air circuit breaker used for switching and protecting high-current low-voltage electrical distribution circuits in industrial, commercial and infrastructure installations.

What is the rated current of the ABB E3H2000 1SDA056435R1?

The circuit breaker has a rated current of 2000 A and is equipped with a PR122/P-LI R2000 electronic overcurrent release.

What protection functions does the PR122/P-LI trip unit provide?

The PR122/P-LI electronic overcurrent release provides long-time overload and instantaneous short-circuit protection.

What is the breaking capacity of the ABB E3H2000?

The E3H2000 has a rated ultimate short-circuit breaking capacity of 100 kA at 400 V AC.

Is the ABB 1SDA056435R1 fixed or withdrawable?

The 1SDA056435R1 is a three-pole fixed air circuit breaker with rear horizontal terminals for integration into compatible low-voltage switchboards.

Trusted ABB Protection for Critical Power Systems

ABB SACE Emax air circuit breakers are engineered for dependable protection and switching in demanding low-voltage power distribution systems, combining high-current performance with electronic protection for industrial, commercial and infrastructure installations.