ABB SACE Emax 3 E4.3N 3200 ACB 3 Pole 3200A 66kA Ekip Aware LSIG Fixed Rear Terminals

ABB SACE Emax 3 E4.3N 3200 ACB 3 Pole 3200A 66kA Ekip Aware LSIG Fixed Rear Terminals

ABB SACE Emax 3 E4.3N 3200 is a three-pole 3200 A fixed air circuit breaker with Ekip Aware LSIG trip unit, rear horizontal terminals and 66 kA ultimate short-circuit breaking capacity at 415 V.

SKU: 1SDA128839R1
Price
List Price £13,494.92 ex VAT
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Manufacturer Lead Time Estimated Delivery 5 weeks
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Why Choose the ABB SACE Emax 3 E4.3N 3200 Air Circuit Breaker?

The ABB SACE Emax 3 E4.3N 3200 is a high-performance air circuit breaker (ACB) designed for reliable protection and switching of low-voltage electrical distribution systems. As part of the advanced ABB SACE Emax 3 series, this three-pole breaker is engineered for demanding industrial and commercial power distribution applications requiring dependable protection, high current capacity and efficient fault interruption.

This breaker combines a 3200 A rated current with an Ekip Aware LSIG electronic trip unit, providing comprehensive long-time, short-time, instantaneous and earth-fault protection functions. The fixed construction with rear horizontal terminals enables integration into compatible switchboards and electrical distribution assemblies where rear connection arrangements are required.

With a rated ultimate short-circuit breaking capacity of 66 kA at 415 V, the ABB E4.3N 3200 provides dependable fault interruption for high-current low-voltage installations. Its three-pole fixed design delivers reliable switching and protection performance for industrial electrical distribution systems.

Key Advantages

  • High-performance ABB SACE Emax 3 air circuit breaker for low-voltage power distribution.
  • 3200 A rated current suitable for high-current electrical systems.
  • 66 kA rated ultimate short-circuit breaking capacity at 415 V.
  • Three-pole configuration for three-phase electrical distribution applications.
  • Ekip Aware LSIG electronic trip unit providing advanced circuit protection functions.
  • Fixed version with rear horizontal terminals for switchgear installation flexibility.

Key Features

  • ABB SACE Emax 3 series.
  • E4.3N 3200 breaker configuration.
  • 3200 A rated current.
  • 66 kA rated ultimate short-circuit breaking capacity at 415 V.
  • Three-pole construction.
  • Ekip Aware LSIG electronic trip unit.
  • Fixed installation version.
  • Rear horizontal terminal connection.
  • Designed for demanding industrial low-voltage switchgear applications.

Reliable Protection for High-Power Electrical Distribution

Air circuit breakers such as the ABB SACE Emax 3 E4.3N 3200 are designed to protect electrical distribution systems against overloads and short-circuit conditions while providing controlled switching of high-current circuits. Their robust construction and reliable interruption capability make them suitable for industrial switchboards and demanding low-voltage installations.

The Ekip Aware LSIG trip unit provides electronic protection functions covering long-time, short-time, instantaneous and earth-fault conditions. This enables effective protection coordination and improved reliability within modern electrical distribution networks.

Typical Applications

  • Industrial low-voltage switchboards.
  • Main electrical distribution systems.
  • Manufacturing plants and industrial facilities.
  • Commercial and infrastructure electrical installations.
  • High-current switchgear assemblies.
  • Fixed SACE Emax 3 distribution applications.

Technical Specifications

Trip Unit LSIG
Manufacturer ABB
Series SACE Emax 3
Model E4.3N 3200
Product type Air circuit breaker
Part number 1SDA128839R1
Rated current (In) 3200 A
Number of poles 3
Rated ultimate short-circuit breaking capacity (Icu) 66 kA at 415 V
Trip unit Ekip Aware LSIG
Installation type Fixed
Terminal configuration Rear horizontal terminals
Device Type ACB
Current 3200 A
Poles 3-pole
Phase Three Phase
Breaking Capacity 66 kA
Application Power distribution
Mounting Type Fixed
HS Code 85362090

Frequently Asked Questions

What is the ABB Emax 3 E4.3N 3200 used for?

This air circuit breaker is used for protection and switching of high-current low-voltage electrical distribution systems in industrial, commercial and infrastructure installations.

What is the rated current of this circuit breaker?

The ABB E4.3N 3200 has a rated current of 3200 A.

What is the short-circuit breaking capacity?

The breaker has a rated ultimate short-circuit breaking capacity of 66 kA at 415 V.

How many poles does the breaker have?

The ABB E4.3N 3200 is a three-pole air circuit breaker.

What trip unit is fitted?

This version is fitted with the Ekip Aware LSIG electronic trip unit, providing long-time, short-time, instantaneous and earth-fault protection functions.

Is the breaker fixed or withdrawable?

The ABB 1SDA128839R1 is a fixed version air circuit breaker with rear horizontal terminals.

Trusted by Power Distribution Professionals Worldwide

ABB SACE Emax 3 air circuit breakers are engineered for demanding low-voltage distribution systems where dependable circuit protection, reliable switching and high-performance fault interruption are required.

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