ABB SACE Emax 3 E6.3X/f 6300 ACB 4 Pole 6300A 150kA Ekip Aware LSIG Fixed Rear Terminals 100% Neutral

ABB SACE Emax 3 E6.3X/f 6300 ACB 4 Pole 6300A 150kA Ekip Aware LSIG Fixed Rear Terminals 100% Neutral

ABB 1SDA128919R1 Emax 3 E6.3V/f 6300 Ekip Aware LSIG four-pole fixed air circuit breaker rated at 6300 A for high-current low-voltage power distribution systems.

SKU: 1SDA128919R1
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List Price £73,398.00 ex VAT
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Why Choose the ABB 1SDA128919R1 Emax 3 Air Circuit Breaker?

The ABB 1SDA128919R1 is a high-performance SACE Emax 3 low-voltage air circuit breaker designed for reliable protection, switching and monitoring in demanding industrial and power distribution systems. It is an E6.3V/f 6300 Ekip Aware LSIG 4-pole fixed circuit breaker with horizontal rear terminals, providing advanced electronic protection for high-current electrical installations.

As part of the advanced ABB Emax 3 air circuit breaker series, the 1SDA128919R1 combines robust switching capability with intelligent Ekip Aware electronic protection. The LSIG protection configuration provides long-time, short-time, instantaneous and earth-fault protection functions for comprehensive circuit protection and improved operational reliability.

With a rated continuous current of 6300 A and a four-pole fixed construction, this breaker is designed for the highest-capacity low-voltage distribution applications. The E6.3V high-performance frame provides enhanced fault interruption capability for critical industrial installations, infrastructure projects and large-scale electrical systems.

Key Advantages

  • High-capacity ABB SACE Emax 3 air circuit breaker for critical power distribution applications.
  • 6300 A rated continuous current for large-scale electrical installations.
  • Four-pole fixed configuration for complete circuit switching and protection.
  • Ekip Aware LSIG electronic release with advanced protection functions.
  • High-performance breaking capability for demanding industrial environments.
  • Horizontal rear terminal arrangement for switchgear integration.

Key Features

  • ABB SACE Emax 3 E6.3V/f series.
  • 6300 A rated continuous current.
  • Ekip Aware LSIG protection unit.
  • Four-pole fixed breaker design.
  • Long-time, short-time, instantaneous and earth-fault protection.
  • E6.3V high-performance breaking version.
  • Horizontal rear connection terminals.
  • Designed for advanced low-voltage power distribution systems.

Advanced Protection for High-Capacity Electrical Systems

Air circuit breakers such as the ABB Emax 3 protect electrical distribution networks by detecting overload and fault conditions before safely interrupting current flow. The Ekip Aware LSIG electronic release provides configurable protection settings to support reliable operation and continuity in complex power systems.

The Emax 3 platform combines intelligent monitoring, advanced protection technology and flexible integration options for modern electrical infrastructure. The 1SDA128919R1 is designed for engineers requiring a high-current breaker solution for industrial plants, utility installations and critical power distribution applications.

Typical Applications

  • Large industrial low-voltage distribution switchboards.
  • High-current feeder protection systems.
  • Power generation and transformer distribution applications.
  • Data centres and critical infrastructure installations.
  • Heavy manufacturing and industrial facilities.
  • Advanced electrical switchgear assemblies.

Technical Specifications

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Device Type ACB
Current 6300 A
Poles 4-pole
Phase Three Phase
Breaking Capacity 150 kA
Trip Unit LSIG
Application Power distribution
Mounting Type Fixed
Manufacturer ABB
Series SACE Emax 3
Model E6.3V/f 6300 Ekip Aware LSIG 4p F HR
Order code 1SDA128919R1
Product type Low-voltage air circuit breaker
Rated continuous current (Iu) 6300 A
Number of poles 4
Protection unit Ekip Aware LSIG
Installation Fixed
Main terminal position Rear
Terminal configuration Horizontal rear terminals
Rated service voltage 690 V AC
Frequency 50 / 60 Hz
HS Code 85362090

Frequently Asked Questions

What is the ABB 1SDA128919R1 used for?

The ABB 1SDA128919R1 is a SACE Emax 3 air circuit breaker designed for very high-current switching and protection in low-voltage industrial power distribution systems.

What is the rated current of this circuit breaker?

The ABB 1SDA128919R1 has a rated continuous current of 6300 A.

What protection functions are included?

The breaker includes an Ekip Aware LSIG electronic release providing long-time, short-time, instantaneous and earth-fault protection.

Is the ABB 1SDA128919R1 fixed or withdrawable?

The ABB 1SDA128919R1 is supplied as a fixed four-pole circuit breaker with horizontal rear terminals.

What type of systems use this breaker?

This circuit breaker is typically used in high-power industrial switchboards, infrastructure systems and critical electrical distribution applications.

Trusted by Electrical Engineers Worldwide

ABB SACE Emax 3 air circuit breakers provide advanced protection, intelligent monitoring and reliable switching performance for demanding low-voltage electrical distribution systems.