1SDA056663R1 ABB E3V2500 PR123/P-LSIG 2500A 3P Fixed Air Circuit Breaker

1SDA056663R1 ABB E3V2500 PR123/P-LSIG 2500A 3P Fixed Air Circuit Breaker

ABB 1SDA056663R1 E3V2500 PR123/P-LSIG is a 2500 A three-pole fixed SACE Emax air circuit breaker with horizontal rear terminals, PR123/P-LSIG electronic LSIG protection, four auxiliary contacts and open/closed position indication.

SKU: 1SDA056663R1MPN: 1SDA056663R1
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Why Choose the ABB E3V2500 PR123/P-LSIG 2500A 3P Fixed Air Circuit Breaker?

The ABB E3V2500 PR123/P-LSIG, order code 1SDA056663R1, is a high-performance SACE Emax air circuit breaker (ACB) designed for advanced switching and protection in demanding low-voltage power distribution systems. Part of the ABB SACE Emax E3 series, this three-pole fixed breaker combines a 2500 A rated current with the sophisticated PR123/P-LSIG R2500 electronic overcurrent release.

The E3V2500 is supplied in a fixed three-pole configuration with horizontal rear terminals, making it suitable for integration into high-current industrial switchboards and distribution assemblies. Its PR123/P-LSIG electronic release provides long-time, short-time, instantaneous and earth-fault protection, helping safeguard cables, busbars, transformers and connected equipment against overloads, short circuits and earth faults.

Engineered for installations where high fault-current performance and advanced protection coordination are required, the E3V2500 combines the proven SACE Emax platform with the feature-rich PR123/P release. The breaker is also fitted with four auxiliary contacts and open/closed position indication, supporting integration with switchboard signalling, monitoring and control systems.

Key Advantages

  • High-performance ABB SACE Emax E3V air circuit breaker for demanding low-voltage distribution.
  • 2500 A rated current for high-current electrical systems.
  • Three-pole fixed configuration for industrial switchboard installations.
  • Horizontal rear terminals provide practical busbar and switchboard connections.
  • Advanced PR123/P-LSIG R2500 electronic overcurrent release.
  • Provides long-time, short-time, instantaneous and earth-fault protection.
  • LSIG functionality supports comprehensive protection and selective coordination.
  • Fitted with four auxiliary contacts and open/closed position indication.

Key Features

  • ABB SACE Emax E3V series.
  • 2500 A rated current.
  • Three-pole circuit-breaker configuration.
  • Fixed installation version.
  • Horizontal rear terminals.
  • PR123/P-LSIG R2500 electronic overcurrent release.
  • LSIG protection for long-time, short-time, instantaneous and earth-fault conditions.
  • Advanced electronic protection suitable for coordinated power-distribution systems.
  • Fitted with four auxiliary contacts.
  • Integrated open/closed circuit-breaker position indication.
  • Designed for main incomer, feeder and transformer-secondary protection duties.

Advanced PR123/P-LSIG Protection for High-Current Distribution

Air circuit breakers such as the ABB SACE Emax E3V provide switching and electronic overcurrent protection for high-current low-voltage distribution systems. They are suited to protecting switchboards, busbars, cables, transformers and connected electrical equipment against potentially damaging overload, short-circuit and earth-fault conditions.

The PR123/P-LSIG electronic release combines long-time overload protection with short-time, instantaneous and earth-fault protection functions. Together with its 2500 A rating, fixed construction, horizontal rear terminals and auxiliary status contacts, the 1SDA056663R1 provides an advanced protection solution for demanding industrial, commercial and infrastructure power-distribution systems.

Typical Applications

  • Industrial low-voltage switchboards and distribution systems.
  • Main incoming circuit protection.
  • High-current feeder protection.
  • Transformer secondary protection.
  • Selective protection in multi-level distribution networks.
  • Manufacturing and process plants.
  • Commercial and infrastructure power distribution.
  • Installations requiring integrated earth-fault protection.

Technical Specifications

Series SACE Emax E3
ABB order code 1SDA056663R1
ABB product group 310513-New Emax
Extended product type E3V2500PR123/P-LSIGIn=2500A3pFHR
Product type Air circuit breaker
Frame / performance level E3V
Rated current 2500 A
Release rated current 2500 A
Number of poles 3
Installation Fixed
Terminal connection Horizontal rear terminals
Protection release PR123/P-LSIG R2500 electronic release
Protection functions LSIG – long-time, short-time, instantaneous and earth-fault
Earth-fault protection Integrated
Auxiliary contacts 4
Position indication Open / closed
Net weight 72 kg
HS code 85362090
EAN 8015644580032

Frequently Asked Questions

What is the ABB 1SDA056663R1 used for?

The ABB 1SDA056663R1 is a 2500 A three-pole SACE Emax E3V air circuit breaker used for switching and comprehensive overcurrent protection in demanding low-voltage power distribution systems.

What protection release is fitted to the ABB E3V2500?

The breaker is fitted with the PR123/P-LSIG R2500 electronic overcurrent release, providing long-time, short-time, instantaneous and earth-fault protection.

What does LSIG mean on the ABB PR123/P-LSIG release?

LSIG denotes long-time, short-time, instantaneous and earth-fault protection, providing comprehensive electronic protection against overloads, short circuits and earth faults.

Is the ABB 1SDA056663R1 fixed or withdrawable?

The 1SDA056663R1 is a fixed three-pole air circuit breaker equipped with horizontal rear terminals for connection within a low-voltage switchboard.

What auxiliary contacts are fitted to the ABB 1SDA056663R1?

The ABB 1SDA056663R1 is fitted with four auxiliary contacts together with open/closed circuit-breaker position indication for status signalling and monitoring.

Trusted by Power Distribution Professionals Worldwide

ABB SACE Emax air circuit breakers are engineered for dependable switching and comprehensive electrical protection in demanding low-voltage distribution systems, combining advanced electronic protection with robust construction and practical switchboard integration.