1SDA060957R1 ABB E1N-A 1200 PR121/P-LSIG 1200 A 3P Air Circuit Breaker

1SDA060957R1 ABB E1N-A 1200 PR121/P-LSIG 1200 A 3P Air Circuit Breaker

ABB 1SDA060957R1 is a three-pole SACE Emax E1N-A 1200 A air circuit breaker equipped with a PR121/P-LSIG electronic trip unit for overload, short-circuit and ground-fault protection.

SKU: 1SDA060957R1MPN: 1SDA060957R1
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List Price £11,395.23 ex VAT
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Manufacturer Lead Time

£8,546.42

Why Choose the ABB 1SDA060957R1 E1N-A 1200 Air Circuit Breaker?

The ABB 1SDA060957R1, manufacturer designation E1N-A 1200 PR121/P-LSIG In=1200A 3p, is a SACE Emax E1N-A air circuit breaker designed for protection and switching in low-voltage power distribution systems. This three-pole circuit breaker combines a 1200 A rated current with ABB's PR121/P-LSIG electronic trip unit.

The PR121/P electronic trip unit provides comprehensive LSIG protection functions, incorporating long-time overload, short-time short-circuit, instantaneous short-circuit and ground-fault protection. These functions provide protection against common overcurrent and earth-fault conditions in industrial, commercial and infrastructure electrical distribution systems.

The 1SDA060957R1 combines the E1 frame with ABB's N-A performance class and a three-pole configuration. Its 1200 A current rating and electronic protection make it suitable for switchboards, main distribution circuits and feeder applications requiring dependable air circuit-breaker technology.

Key Advantages

  • Genuine ABB SACE Emax E1N-A air circuit breaker.
  • 1200 A rated current for substantial low-voltage distribution loads.
  • Equipped with a PR121/P-LSIG electronic trip unit.
  • E1N-A configuration within the SACE Emax circuit-breaker family.
  • Three-pole configuration for three-phase electrical networks.
  • LSIG functionality provides overload, short-circuit and ground-fault protection.

Key Features

  • ABB SACE Emax E1N-A series.
  • 1200 A rated current.
  • PR121/P electronic trip unit.
  • LSIG protection functions.
  • Three-pole configuration.
  • Electronic overcurrent and ground-fault protection for low-voltage networks.
  • Designed for industrial, commercial and infrastructure power distribution.
  • Part of the established ABB SACE Emax air circuit-breaker platform.

Comprehensive LSIG Electronic Circuit Protection

The ABB PR121/P electronic trip unit provides comprehensive protection for low-voltage electrical networks. Its LSIG configuration combines long-time protection against sustained overloads, short-time protection for short-circuit conditions, instantaneous protection for rapid interruption of severe faults and ground-fault protection for earth-fault conditions.

Combined with the E1N-A breaker platform, the PR121/P release makes the 1SDA060957R1 suitable for distribution systems where dependable switching and electronic fault protection are required. The combination of a 1200 A current rating and LSIG protection supports demanding main distribution, incoming supply and feeder applications.

Typical Applications

  • Industrial low-voltage switchboards.
  • Main electrical distribution panels.
  • Commercial building power distribution.
  • Manufacturing and process facilities.
  • Infrastructure electrical distribution.
  • Main incoming and feeder circuit protection.
  • ABB SACE Emax circuit-breaker installations.

Technical Specifications

Series SACE Emax
Order code / MPN 1SDA060957R1
Product group 310513-New Emax
Product type Air circuit breaker
Breaker type E1N-A
Frame E1
Performance class N-A
Rated current (In) 1200 A
Number of poles 3P
Trip unit PR121/P
Protection functions LSIG
Long-time protection (L) Overload protection
Short-time protection (S) Short-circuit protection with time delay
Instantaneous protection (I) Instantaneous short-circuit protection
Ground-fault protection (G) Earth / ground-fault protection
Application Low-voltage power distribution and circuit protection

Frequently Asked Questions

What is the ABB 1SDA060957R1 used for?

The ABB 1SDA060957R1 is a three-pole SACE Emax E1N-A air circuit breaker designed for switching and protecting low-voltage electrical distribution systems.

What is the rated current of the ABB 1SDA060957R1?

The E1N-A circuit breaker has a rated current of 1200 A.

What protection functions does the PR121/P trip unit provide?

The fitted PR121/P-LSIG electronic trip unit provides long-time overload, short-time short-circuit, instantaneous short-circuit and ground-fault protection.

What does LSIG mean on the ABB 1SDA060957R1?

LSIG denotes long-time, short-time, instantaneous and ground-fault protection functions provided by the PR121/P electronic trip unit.

What does E1N-A identify on the ABB 1SDA060957R1?

E1N-A identifies the SACE Emax E1 frame and N-A performance class, distinguishing this circuit breaker from other configurations within the Emax family.

Trusted ABB Power Distribution Technology

ABB SACE Emax air circuit breakers combine dependable high-current switching with electronic protection, providing robust circuit protection for industrial, commercial and infrastructure low-voltage distribution systems.