ABB SACE Emax 3 E6.3X 6300 ACB 3 Pole 6300A 150kA Ekip Aware LSIG Fixed Rear Terminals

ABB SACE Emax 3 E6.3X 6300 ACB 3 Pole 6300A 150kA Ekip Aware LSIG Fixed Rear Terminals

ABB 1SDA128855R1 E6.3X 6300 Ekip Aware LSIG three-pole fixed air circuit breaker with 6300 A rated current and advanced LSIG electronic protection.

SKU: 1SDA128855R1
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Why Choose the ABB 1SDA128855R1 E6.3X 6300 Ekip Aware LSIG Air Circuit Breaker?

The ABB 1SDA128855R1 is a high-performance low-voltage air circuit breaker (ACB) from the ABB SACE Emax 3 range, designed for advanced protection, switching and control in critical high-current electrical distribution systems. This model is the E6.3X 6300 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 circuit protection through long-time, short-time, instantaneous and ground-fault protection functions. The Emax 3 platform combines high interrupting performance, intelligent monitoring capabilities and flexible integration options for modern low-voltage power distribution networks.

With a 6300 A rated current, the 1SDA128855R1 is designed for demanding electrical distribution applications including large industrial facilities, infrastructure systems and high-power switchboards where dependable protection and operational continuity are essential.

Key Advantages

  • 6300 A rated current for high-power low-voltage distribution applications.
  • Advanced Ekip Aware LSIG electronic release for comprehensive fault protection.
  • Three-pole fixed configuration for integration into electrical switchboards.
  • High-performance Emax 3 E6.3X platform for demanding power systems.
  • LSIG protection functions provide adaptable circuit protection settings.
  • Designed for reliable operation in critical electrical distribution environments.

Key Features

  • ABB SACE Emax 3 E6.3X air circuit breaker.
  • 6300 A rated current.
  • Three-pole fixed version.
  • Ekip Aware LSIG electronic release.
  • Long-time, short-time, instantaneous and ground-fault protection.
  • Advanced sensing and monitoring capabilities.
  • Suitable for industrial and infrastructure power distribution systems.
  • Designed according to IEC 60947-2 low-voltage switchgear requirements.

Advanced Protection for High-Power Electrical Distribution

Air circuit breakers such as the ABB Emax 3 E6.3X provide intelligent switching and protection for high-current electrical networks. The Ekip Aware LSIG electronic release continuously manages protection functions to help safeguard electrical infrastructure, equipment and connected loads against fault conditions.

The 1SDA128855R1 combines a high-current fixed breaker design with advanced electronic protection and monitoring technology. Its Emax 3 architecture supports reliable operation in demanding environments where power availability, safety and system integration are essential.

Typical Applications

  • Large industrial power distribution systems.
  • Low-voltage main switchboards.
  • Data centre and infrastructure electrical systems.
  • Power generation and energy distribution applications.
  • High-current incoming and feeder protection.
  • Industrial electrical switchgear assemblies.

Technical Specifications

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Device Type ACB
Current 6300 A
Poles 3-pole
Phase Three Phase
Breaking Capacity 150 kA
Trip Unit LSIG
Application Power distribution
Mounting Type Fixed
Manufacturer ABB
Series SACE Emax 3
Model E6.3X 6300 Ekip Aware LSIG 3p F HR
Product type Low-voltage air circuit breaker
Order code 1SDA128855R1
Rated current 6300 A
Number of poles 3
Configuration Fixed
Release unit Ekip Aware LSIG
Protection functions LSIG
Rated voltage 690 V AC
Frequency 50 / 60 Hz
Frame size E6.3X
EAN 8056221304849
HS Code 85362090

Frequently Asked Questions

What is the ABB 1SDA128855R1 used for?

The ABB 1SDA128855R1 is a high-current three-pole fixed air circuit breaker designed for protection and switching in low-voltage electrical distribution systems.

What is the rated current of the 1SDA128855R1?

The circuit breaker has a rated current of 6300 A.

What type of protection release does this circuit breaker use?

The 1SDA128855R1 uses an Ekip Aware LSIG electronic release providing long-time, short-time, instantaneous and ground-fault protection functions.

Is the ABB 1SDA128855R1 a fixed or withdrawable circuit breaker?

The 1SDA128855R1 is supplied in a fixed three-pole configuration.

Which ABB series does this circuit breaker belong to?

The ABB 1SDA128855R1 belongs to the SACE Emax 3 series of advanced low-voltage air circuit breakers.

Trusted by Electrical Engineers Worldwide

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