ABB SACE Emax 3 E6.3X 4000 ACB 4 Pole 4000A 150kA Ekip Aware LSIG Fixed Rear Terminals

ABB SACE Emax 3 E6.3X 4000 ACB 4 Pole 4000A 150kA Ekip Aware LSIG Fixed Rear Terminals

ABB SACE Emax 3 E6.3X 4000 air circuit breaker with 4000 A rated current, 4-pole fixed configuration, Ekip Aware LSIG trip unit and 150 kA breaking capacity at 415 V AC.

SKU: 1SDA128904R1
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List Price £44,200.96 ex VAT
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£33,150.72 25% OFF
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Why Choose the ABB SACE Emax 3 E6.3X 4000 1SDA128904R1 Air Circuit Breaker?

The ABB SACE Emax 3 E6.3X 4000 1SDA128904R1 is a high-performance air circuit breaker (ACB) designed for reliable protection, switching and monitoring of low-voltage electrical distribution systems. As part of the advanced ABB SACE Emax 3 series, this circuit breaker combines intelligent protection technology with robust construction for demanding industrial and infrastructure applications.

This fixed-version air circuit breaker is equipped with an Ekip Aware LSIG trip unit, providing advanced protection functions including long-time, short-time, instantaneous and ground fault protection. The E6.3X frame design provides high current-carrying capability and exceptional fault interruption performance for demanding low-voltage switchboard installations.

With a rated current of 4000 A, a 4-pole configuration and an Icu breaking capacity of 150 kA at 415 V AC, the ABB SACE Emax 3 E6.3X 4000 provides robust circuit protection for high-power electrical systems requiring advanced protection and very high short-circuit interruption performance.

Key Advantages

  • SACE Emax 3 air circuit breaker technology for advanced low-voltage protection.
  • 4000 A rated current suitable for high-power electrical distribution applications.
  • 150 kA breaking capacity at 415 V AC for very high-performance short-circuit protection.
  • Ekip Aware LSIG trip unit for comprehensive electrical protection.
  • Fixed installation version for straightforward switchboard integration.
  • Rear horizontal terminals for flexible connection design.
  • Designed for reliable operation in demanding electrical environments.

Key Features

  • ABB SACE Emax 3 series low-voltage air circuit breaker.
  • E6.3X frame size with 4000 A rated current.
  • 4-pole fixed version configuration.
  • Ekip Aware LSIG trip unit for intelligent circuit protection.
  • Rear horizontal terminals for connection flexibility.
  • 150 kA Icu at 415 V AC short-circuit breaking capability.
  • Supports modern power management and electrical protection requirements.
  • Suitable for advanced low-voltage distribution systems.

Reliable Protection for Modern Power Distribution

The ABB SACE Emax 3 range combines advanced electronic trip technology with reliable air circuit breaker performance to protect electrical installations against overloads and short-circuit faults. These breakers provide dependable switching and monitoring capabilities for modern low-voltage power networks.

The integrated Ekip Aware LSIG trip unit enables precise protection management and improved system awareness, supporting engineers in designing secure and efficient electrical distribution solutions. The Emax 3 platform is developed for applications requiring intelligent protection and digital integration.

Typical Applications

  • Industrial low-voltage switchboards.
  • High-power electrical distribution panels and switchgear.
  • Manufacturing plants and large production facilities.
  • Commercial and infrastructure electrical systems.
  • Energy management and monitoring installations.
  • Critical power and industrial automation applications.

Technical Specifications

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Trip Unit LSIG
Device Type ACB
Current 4000 A
Poles 4-pole
Phase Three Phase
Breaking Capacity 150 kA
Application Power distribution
Mounting Type Fixed
Manufacturer ABB
Series SACE Emax 3
Model E6.3X 4000
Order code 1SDA128904R1
Product type Air circuit breaker
Frame size E6.3X
Rated current In 4000 A
Number of poles 4-pole
Installation version Fixed
Trip unit Ekip Aware LSIG
Breaking capacity Icu 150 kA at 415 V AC
Terminal configuration Rear horizontal terminals
Frequency 50 / 60 Hz
Standard IEC 60947-2
HS Code 85362090

Frequently Asked Questions

What is the ABB SACE Emax 3 E6.3X 4000 1SDA128904R1 used for?

This air circuit breaker is used for protecting and controlling high-power low-voltage electrical distribution systems in industrial, commercial and infrastructure installations.

What is the rated current of this circuit breaker?

The ABB E6.3X 4000 1SDA128904R1 has a rated current of 4000 A.

How many poles does this ABB Emax 3 breaker have?

This model is a 4-pole fixed air circuit breaker.

Which trip unit is fitted to this circuit breaker?

The breaker is fitted with an Ekip Aware LSIG trip unit providing long-time, short-time, instantaneous and ground fault protection functions.

What is the breaking capacity of the ABB E6.3X 4000?

The circuit breaker provides an Icu of 150 kA at 415 V AC.

Trusted by Power System Engineers Worldwide

ABB SACE Emax 3 air circuit breakers are trusted by electrical engineers and system designers for advanced protection, intelligent monitoring and dependable operation in modern power distribution networks.