1SDA056639R1 ABB E3V2000 PR123/P-LSIG 2000 A 4-Pole Fixed Air Circuit Breaker

1SDA056639R1 ABB E3V2000 PR123/P-LSIG 2000 A 4-Pole Fixed Air Circuit Breaker

ABB 1SDA056639R1 is a SACE Emax E3V 2000 A four-pole fixed air circuit breaker with rear flat horizontal terminals and a PR123/P-LSIG electronic overcurrent release for high-performance low-voltage power distribution protection.

SKU: 1SDA056639R1MPN: 1SDA056639R1
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Why Choose the ABB 1SDA056639R1 E3V 2000 A Air Circuit Breaker?

The ABB 1SDA056639R1 is a high-performance SACE Emax E3V air circuit breaker (ACB) designed for switching and protection in demanding low-voltage electrical distribution systems. Identified as E3V2000 PR123/P-LSIG In=2000A 4P F HR, this four-pole fixed circuit breaker combines a 2000 A rated uninterrupted current with ABB’s advanced PR123/P-LSIG electronic overcurrent release.

As part of the ABB SACE Emax / New Emax range, the E3V2000 is engineered for industrial, commercial and infrastructure power distribution applications requiring comprehensive protection and very high fault-current interruption capability. The PR123/P-LSIG electronic trip unit provides long-time, short-time, instantaneous and ground-fault protection, helping safeguard cables, busbars, transformers and connected equipment against overloads, short circuits and earth faults.

This version features a four-pole fixed construction with rear flat horizontal terminals for permanent installation within low-voltage switchboards. Rated for operation up to 690 V AC, with an ultimate short-circuit breaking capacity of 130 kA at 400–415 V AC and a rated short-time withstand current of 85 kA for 1 s, the E3V2000 is particularly suited to high-fault-level distribution systems requiring advanced LSIG protection.

Key Advantages

  • High-performance 2000 A air circuit breaker for demanding low-voltage power distribution.
  • Advanced PR123/P-LSIG electronic overcurrent release.
  • LSIG functionality provides long-time, short-time, instantaneous and ground-fault protection.
  • Four-pole configuration supports switching and protection across four conductors.
  • Fixed mounting with rear flat horizontal terminals for permanent switchboard installation.
  • 130 kA ultimate short-circuit breaking capacity at 400–415 V AC.
  • 100 kA service short-circuit breaking capacity at 400–415 V AC.
  • 85 kA rated short-time withstand current for 1 s supports demanding protection and selectivity requirements.

Key Features

  • ABB SACE Emax E3V frame.
  • 2000 A rated uninterrupted current.
  • PR123/P-LSIG electronic trip unit.
  • R2000 overcurrent release rating.
  • Long-time, short-time, instantaneous and ground-fault (LSIG) protection.
  • Four-pole configuration.
  • Fixed mounting construction.
  • Rear flat horizontal terminals.
  • 690 V AC rated operational voltage.
  • 1000 V rated insulation voltage.
  • 12 kV rated impulse withstand voltage.
  • Four auxiliary contacts with open/closed position indication.

Reliable Circuit Protection for Power Distribution

Air circuit breakers such as the ABB E3V2000 provide switching and automatic protection for high-current low-voltage electrical distribution systems. The PR123/P electronic overcurrent release monitors electrical conditions and provides advanced protection functions to help safeguard cables, busbars, transformers and downstream equipment against damaging overload, short-circuit and ground-fault conditions.

The LSIG configuration combines long-time overload protection, short-time selective short-circuit protection, instantaneous short-circuit protection and ground-fault protection. Combined with the four-pole fixed construction, rear horizontal terminal arrangement and high breaking performance of the E3V frame, this makes the 1SDA056639R1 suitable for critical installations requiring coordinated protection and dependable interruption of high prospective fault currents.

Typical Applications

  • Low-voltage main distribution switchboards.
  • Industrial power distribution systems.
  • Main incomer and high-current feeder protection.
  • Four-pole power distribution circuits.
  • Manufacturing and process plants.
  • Commercial and infrastructure electrical systems.
  • Transformer secondary distribution circuits.
  • High-fault-level electrical installations.
  • Fixed switchboard installations requiring high breaking capacity.
  • Distribution systems requiring comprehensive LSIG protection.

Technical Specifications

Series SACE Emax / New Emax
ABB product group 310513-New Emax
Order code 1SDA056639R1
Product type Air circuit breaker
Frame E3V
Short-circuit performance level V
Rated current 2000 A
Rated uninterrupted current 2000 A
Rated operational current 2000 A
Rated operational voltage 690 V AC
Rated insulation voltage 1000 V
Rated impulse withstand voltage 12 kV
Number of poles 4
Current type AC
Trip unit PR123/P-LSIG
Release rating R2000
Release type Electronic overcurrent release
Protection functions Long-time, short-time, instantaneous and ground fault (LSIG)
Ultimate short-circuit breaking capacity 130 kA at 220–440 V AC; 100 kA at 500–690 V AC
Service short-circuit breaking capacity 100 kA at 220–440 V AC; 85 kA at 500–690 V AC
Rated short-time withstand current 85 kA for 1 s; 65 kA for 3 s
Mounting type Fixed
Terminal arrangement Rear flat horizontal
Auxiliary contacts 4
Position indication Open / closed
Mechanical durability 20,000 cycles
Electrical durability 9,000 cycles
Power loss 130 W
Product dimensions (W × H × D) 530 × 418 × 302 mm
Net weight 76 kg
Standard IEC
HS code 85362090
EAN 8015644579791

Frequently Asked Questions

What is the ABB 1SDA056639R1 used for?

The ABB 1SDA056639R1 is a 2000 A four-pole air circuit breaker used for switching and protecting high-current low-voltage electrical distribution systems in industrial, commercial and infrastructure installations.

What is the rated current of the ABB 1SDA056639R1?

The ABB 1SDA056639R1 has a rated uninterrupted current of 2000 A and uses the high-performance ABB SACE Emax E3V frame.

What protection functions does the PR123/P-LSIG trip unit provide?

The PR123/P-LSIG electronic overcurrent release provides long-time overload, short-time short-circuit, instantaneous short-circuit and ground-fault protection.

Is the ABB 1SDA056639R1 fixed or withdrawable?

This model is a four-pole fixed air circuit breaker with rear flat horizontal terminals for permanent installation within a low-voltage switchboard.

What is the breaking capacity of the ABB E3V2000?

The E3V2000 has an ultimate short-circuit breaking capacity of 130 kA at 400–415 V AC, a service short-circuit breaking capacity of 100 kA at the same voltages and a rated short-time withstand current of 85 kA for 1 s.

Trusted for Industrial Power Distribution

ABB SACE Emax air circuit breakers are designed for dependable switching and protection of low-voltage power distribution systems, combining advanced electronic protection, high short-circuit performance and robust fixed construction for demanding industrial, commercial and infrastructure installations.