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
Price
List Price £5,920.47 ex VAT
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£5,920.47
Manufacturer Lead Time Estimated Delivery 5 weeks
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Manufacturer Lead Time

£5,920.47

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

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
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
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.

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