ABB SACE Emax 3 E1.3B 1250 ACB 3 Pole 1250A 42kA Ekip Aware LSIG Fixed Front Terminals

ABB SACE Emax 3 E1.3B 1250 ACB 3 Pole 1250A 42kA Ekip Aware LSIG Fixed Front Terminals

ABB 1SDA128811R1 E1.3B 1250 Ekip Aware LSIG three-pole fixed air circuit breaker with 1250 A rated current and LSIG electronic protection.

SKU: 1SDA128811R1
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List Price £5,920.47 ex VAT
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Manufacturer Lead Time

£4,440.35

Why Choose the ABB 1SDA128811R1 E1.3B 1250 Ekip Aware LSIG Air Circuit Breaker?

The ABB 1SDA128811R1 is a high-performance low-voltage air circuit breaker (ACB) from the ABB SACE Emax 3 range, designed for reliable protection and switching in demanding electrical distribution systems. This model is the E1.3B 1250 Ekip Aware LSIG configuration, providing a three-pole fixed construction with an advanced Ekip electronic release.

The integrated Ekip Aware LSIG protection system provides comprehensive protection functions covering long-time, short-time, instantaneous and ground-fault protection. The fixed three-pole configuration supports straightforward integration into low-voltage switchboards, distribution panels and other electrical power distribution equipment.

With a 1250 A rated current, the 1SDA128811R1 is designed for high-current electrical distribution applications where dependable circuit protection and switching are required. As part of the Emax 3 platform, it combines robust air circuit breaker construction with electronic protection technology for modern low-voltage power systems.

Key Advantages

  • 1250 A rated current for high-current low-voltage distribution applications.
  • Advanced Ekip Aware LSIG electronic release for comprehensive circuit protection.
  • Three-pole fixed configuration for straightforward switchboard integration.
  • LSIG protection functions cover long-time, short-time, instantaneous and ground-fault protection.
  • Robust ABB SACE Emax 3 construction for demanding electrical distribution systems.
  • Suitable for high-current feeder, incoming and distribution circuit applications.

Key Features

  • ABB SACE Emax 3 E1.3B air circuit breaker.
  • 1250 A rated current.
  • Three-pole fixed version.
  • Ekip Aware LSIG electronic release.
  • Long-time, short-time, instantaneous and ground-fault protection.
  • Fixed circuit-breaker configuration for switchboard installation.
  • Designed for low-voltage electrical power distribution.
  • ABB Emax 3 platform for industrial and commercial electrical systems.

Advanced Protection for Low-Voltage Power Distribution

Air circuit breakers such as the ABB Emax 3 E1.3B provide controlled switching and protection for high-current electrical distribution systems. The Ekip Aware LSIG electronic release manages the configured protection functions to help protect electrical circuits and connected equipment against a range of fault conditions.

The 1SDA128811R1 combines a fixed three-pole breaker arrangement with electronic LSIG protection in a robust Emax 3 platform. This configuration makes it suitable for integration into switchboards, distribution panels and industrial electrical systems where reliable circuit protection and switching are required.

Typical Applications

  • Low-voltage main distribution switchboards.
  • Industrial power distribution systems.
  • Commercial electrical distribution installations.
  • Power distribution panels and switchgear assemblies.
  • High-current feeder and incoming circuit protection.
  • Industrial electrical control and distribution equipment.

Technical Specifications

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Device Type ACB
Current 1250 A
Poles 3-pole
Phase Three Phase
Breaking Capacity 42 kA
Trip Unit LSIG
Application Power distribution
Mounting Type Fixed
Manufacturer ABB
Series SACE Emax 3
Model E1.3B 1250 Ekip Aware LSIG 3p F F
Product type Low-voltage air circuit breaker
Order code 1SDA128811R1
Rated current 1250 A
Number of poles 3
Configuration Fixed
Release unit Ekip
Protection functions LSIG
EAN 8056221304405
HS Code 85362090

Frequently Asked Questions

What is the ABB 1SDA128811R1 used for?

The ABB 1SDA128811R1 is a three-pole fixed air circuit breaker designed for protection and switching in low-voltage electrical distribution systems.

What is the rated current of the 1SDA128811R1?

The circuit breaker has a rated current of 1250 A.

What type of protection release does this circuit breaker use?

The 1SDA128811R1 uses an Ekip Aware LSIG electronic release providing long-time, short-time, instantaneous and ground-fault protection functions.

Is the ABB 1SDA128811R1 a fixed or withdrawable circuit breaker?

The 1SDA128811R1 is supplied in a fixed three-pole configuration.

Which protection functions are provided?

The circuit breaker provides LSIG protection, covering long-time, short-time, instantaneous and ground-fault protection functions.

Trusted by Electrical Engineers Worldwide

ABB SACE Emax 3 air circuit breakers provide advanced electronic protection, reliable switching and practical integration for demanding low-voltage power distribution systems.