1SDA061127R1 ABB E2H-A 1200 PR122/P-LSIG 1200 A 3-Pole Fixed Air Circuit Breaker

1SDA061127R1 ABB E2H-A 1200 PR122/P-LSIG 1200 A 3-Pole Fixed Air Circuit Breaker

ABB 1SDA061127R1 E2H-A 1200 is a 1200 A three-pole fixed SACE Emax air circuit breaker with rear horizontal terminals and a PR122/P-LSIG electronic overcurrent release for demanding low-voltage power distribution protection.

SKU: 1SDA061127R1MPN: 1SDA061127R1
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Why Choose the ABB E2H-A 1200 PR122/P-LSIG Air Circuit Breaker?

The ABB E2H-A 1200 PR122/P-LSIG, order code 1SDA061127R1, is a high-performance three-pole SACE Emax air circuit breaker designed for protection and control of demanding low-voltage electrical distribution systems. Part of the ABB SACE Emax E2 series, this fixed UL configuration combines a 1200 A rated current with the advanced PR122/P electronic overcurrent release.

The integrated PR122/P-LSIG electronic trip unit provides long-time, short-time, instantaneous and earth-fault protection functions, enabling comprehensive protection and selective coordination within industrial power networks. The E2H-A high-performance frame is designed for installations requiring dependable interruption of substantial prospective fault currents.

With a rated current of 1200 A, three-pole construction, fixed configuration and rear horizontal terminals, the E2H-A 1200 is well suited to industrial switchboards and power distribution systems. This configuration also incorporates auxiliary contacts and circuit-breaker open/closed position indication for integration with control and monitoring systems.

Key Advantages

  • High-performance ABB SACE Emax air circuit breaker for low-voltage power distribution.
  • 1200 A rated current for high-current industrial electrical systems.
  • Advanced PR122/P-LSIG electronic overcurrent release.
  • LSIG functionality provides long-time, short-time, instantaneous and earth-fault protection.
  • Three-pole configuration suitable for three-phase distribution systems.
  • Fixed installation with rear horizontal terminals.
  • Auxiliary contacts support signalling and integration with switchboard control systems.

Key Features

  • ABB SACE Emax E2H-A series.
  • 1200 A rated current.
  • PR122/P-LSIG electronic trip unit.
  • Three-pole construction.
  • Fixed (F) circuit breaker configuration.
  • Rear horizontal (HR) terminals.
  • Long-time overload protection.
  • Short-time short-circuit protection.
  • Instantaneous short-circuit protection.
  • Earth-fault protection.
  • Open/closed circuit-breaker position indication.

Advanced Protection for Low-Voltage Distribution

Air circuit breakers such as the ABB SACE Emax E2H-A protect high-current electrical distribution systems against overloads, short circuits and earth faults. The electronic trip unit continuously monitors circuit conditions and initiates interruption when configured protection thresholds and timing characteristics are reached.

The PR122/P-LSIG release provides comprehensive protection for installations requiring coordinated long-time, short-time, instantaneous and earth-fault functions. Combined with the robust E2H-A construction, it provides a dependable solution for industrial switchboards where protection performance, selectivity and operational reliability are priorities.

Typical Applications

  • Industrial low-voltage distribution switchboards.
  • Main incoming and feeder circuit protection.
  • Manufacturing and process facilities.
  • Power distribution centres.
  • Commercial and infrastructure electrical systems.
  • High-current machinery and automation distribution panels.

Technical Specifications

Series SACE Emax
Order code / MPN 1SDA061127R1
Product group 310513-New Emax
Product type Air circuit breaker
Frame E2H-A
Rated current 1200 A
Number of poles 3
Trip unit PR122/P-LSIG
Protection functions Long-time, short-time, instantaneous and earth-fault (LSIG)
Installation configuration Fixed (F)
Terminal orientation Rear horizontal (HR)
Instantaneous reference 18000 A
Current type AC
Standard configuration UL
EAN 8015644636500
Weight approx. 45 kg

Frequently Asked Questions

What is the ABB 1SDA061127R1 used for?

It is a 1200 A three-pole SACE Emax air circuit breaker designed for protection and control of demanding low-voltage electrical distribution systems.

What trip unit is fitted to the ABB E2H-A 1200?

The circuit breaker is fitted with an ABB PR122/P-LSIG electronic overcurrent release.

What protection functions does the PR122/P-LSIG provide?

The LSIG configuration provides long-time, short-time, instantaneous and earth-fault protection for comprehensive circuit protection.

Is the ABB 1SDA061127R1 fixed or withdrawable?

The 1SDA061127R1 is a fixed (F) circuit breaker with rear horizontal terminals for installation in a compatible low-voltage switchboard.

How many poles does the ABB 1SDA061127R1 have?

The E2H-A circuit breaker has three poles and a rated current of 1200 A.

Trusted ABB Power Distribution Technology

ABB SACE Emax air circuit breakers are engineered for dependable protection, control and isolation of demanding low-voltage electrical distribution systems, combining robust switching technology with advanced electronic protection.