1SDA059309R1 ABB E2S 1000 PR121/P-LSIG 1000 A 3-Pole Fixed Air Circuit Breaker

1SDA059309R1 ABB E2S 1000 PR121/P-LSIG 1000 A 3-Pole Fixed Air Circuit Breaker

ABB 1SDA059309R1 is a SACE Emax E2S 1000 A three-pole fixed air circuit breaker with a PR121/P-LSIG electronic trip unit for comprehensive low-voltage power distribution protection.

SKU: 1SDA059309R1MPN: 1SDA059309R1
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Why Choose the ABB 1SDA059309R1 E2S 1000 Air Circuit Breaker?

The ABB 1SDA059309R1 is a high-performance SACE Emax E2S 1000 air circuit breaker designed for protection, switching and isolation in demanding low-voltage power distribution systems. Configured as E2S1000PR121/P-LSIG In=1000A 3p F, it combines a 1000 A rated current, three-pole construction and ABB's PR121/P-LSIG electronic overcurrent release.

The PR121/P-LSIG release provides long-time, short-time, instantaneous and ground-fault protection functions, enabling comprehensive protection against overload, short-circuit and earth-fault conditions. This combination makes the breaker well suited to industrial and commercial distribution networks where selective electronic protection and dependable fault interruption are required.

The 1SDA059309R1 features a three-pole fixed construction for permanent integration into low-voltage switchboards. The E2S performance class is designed for demanding fault levels, while the 1000 A rating and LSIG protection configuration make this breaker suitable for main distribution and high-current feeder protection.

Key Advantages

  • High-performance 1000 A E2S air circuit breaker for low-voltage power distribution.
  • Three-pole configuration suitable for three-phase electrical systems.
  • PR121/P-LSIG electronic trip unit for comprehensive circuit protection.
  • Long-time, short-time, instantaneous and ground-fault protection.
  • Fixed construction for permanent switchboard installation.
  • E2S performance class for demanding low-voltage distribution applications.
  • Supports protection of feeders, busbars and connected electrical equipment.
  • Part of the proven ABB SACE Emax air circuit breaker platform.

Key Features

  • ABB SACE Emax E2S 1000 air circuit breaker.
  • 1000 A rated current.
  • Three-pole construction.
  • PR121/P-LSIG electronic release.
  • LSIG protection functions for long-time, short-time, instantaneous and ground-fault protection.
  • Fixed (F) execution.
  • Electronic protection against overload and short-circuit conditions.
  • Integrated ground-fault protection for enhanced distribution-system protection.
  • Designed for protection, switching and isolation in high-current low-voltage systems.

Reliable Protection for Low-Voltage Power Distribution

The ABB SACE Emax E2S is engineered to protect high-current low-voltage distribution circuits while also providing dependable switching and isolation. Its PR121/P-LSIG electronic release combines long-time overload protection, short-time selective protection, instantaneous short-circuit protection and ground-fault protection, helping safeguard cables, busbars, switchgear and connected equipment.

The fixed three-pole construction of the 1SDA059309R1 makes it particularly suitable for permanent installation in industrial and commercial switchboards. Combining the E2S performance class with a 1000 A rating and LSIG protection functionality provides a robust solution for distribution systems requiring comprehensive electronic fault protection.

Typical Applications

  • Low-voltage main distribution switchboards.
  • Industrial power distribution systems.
  • Commercial and infrastructure electrical distribution.
  • Manufacturing and process plant switchgear.
  • Protection of high-current feeders and distribution circuits.
  • Three-phase systems requiring ground-fault protection.
  • Fixed switchgear requiring comprehensive LSIG electronic protection.

Technical Specifications

Series SACE Emax
ABB order code 1SDA059309R1
Product group 310513-New Emax
Product type Air circuit breaker
Frame E2S
Rated current 1000 A
Number of poles 3
Trip unit PR121/P-LSIG
Release type Electronic
Protection functions Long-time, short-time, instantaneous and ground fault (LSIG)
Execution Fixed
Ground-fault protection Integrated
Short-circuit performance level S

Frequently Asked Questions

What is the ABB 1SDA059309R1?

The ABB 1SDA059309R1 is a SACE Emax E2S 1000 three-pole fixed air circuit breaker equipped with a PR121/P-LSIG electronic overcurrent release.

What is the rated current of the ABB 1SDA059309R1?

The circuit breaker has a rated current of 1000 A.

How many poles does the ABB 1SDA059309R1 have?

The 1SDA059309R1 has a three-pole configuration suitable for three-phase low-voltage power distribution systems.

Which trip unit is fitted to the ABB 1SDA059309R1?

The breaker is equipped with the ABB PR121/P-LSIG electronic trip unit.

What does LSIG protection mean?

LSIG denotes long-time, short-time, instantaneous and ground-fault protection, providing electronic protection against overload, short-circuit and earth-fault conditions.

Does the ABB 1SDA059309R1 provide ground-fault protection?

Yes. The PR121/P-LSIG configuration includes ground-fault protection in addition to long-time, short-time and instantaneous overcurrent protection.

Is the ABB 1SDA059309R1 fixed or withdrawable?

The 1SDA059309R1 is a fixed (F) air circuit breaker designed for permanent installation within compatible low-voltage switchgear.

Trusted by Electrical Engineers Worldwide

ABB SACE Emax air circuit breakers are engineered for demanding industrial, commercial and infrastructure power distribution systems where dependable high-current protection, advanced electronic trip functionality and robust switchgear integration are required.