ABB SACE Emax 3 E6.3H 4000 ACB 4 Pole 4000A 100kA Ekip Aware LSI Fixed Rear Terminals

ABB SACE Emax 3 E6.3H 4000 ACB 4 Pole 4000A 100kA Ekip Aware LSI Fixed Rear Terminals

ABB 1SDA125210R1 Emax 3 E6.3H air circuit breaker with 4000 A rated current, four-pole fixed construction and Ekip Aware LSI electronic release for high-current low-voltage power distribution protection.

SKU: 1SDA125210R1
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List Price £28,329.11 ex VAT
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£21,246.83

Why Choose the ABB Emax 3 E6.3H 4000 Ekip Aware LSI 4p FHR?

The ABB 1SDA125210R1 is an Emax 3 E6.3H 4000 air circuit breaker designed for high-current low-voltage power distribution protection in demanding industrial and commercial installations. This four-pole fixed circuit breaker combines a 4000 A rated current with an Ekip Aware LSI electronic release for long-time overload, short-time and instantaneous short-circuit protection.

As part of the ABB SACE Emax 3 air circuit breaker series, the 1SDA125210R1 provides robust switching and protection for modern electrical distribution systems. Its fixed construction with rear horizontal terminals supports integration into suitably engineered switchboards and distribution assemblies.

With a 4000 A rated current, four-pole configuration and E6.3H high-breaking-capacity class, the 1SDA125210R1 is suited to high-current applications where dependable overload protection, short-time protection and strong short-circuit interruption performance are required.

Key Advantages

  • High-capacity air circuit breaker for low-voltage power distribution.
  • 4000 A rated current for high-current electrical distribution systems.
  • Four-pole fixed construction for comprehensive circuit control.
  • Ekip Aware LSI electronic release with long-time, short-time and instantaneous protection functions.
  • 100 kA rated ultimate short-circuit breaking capacity at 440 V AC.
  • 100 kA short-time withstand current for 1 s.
  • Rear-mounted horizontal terminals for practical switchboard integration.
  • Four auxiliary contacts for control and monitoring applications.

Key Features

  • ABB SACE Emax 3 E6.3H air circuit breaker.
  • 4000 A rated current.
  • Four-pole fixed configuration.
  • Ekip Aware LSI electronic release.
  • Long-time, short-time and instantaneous overcurrent protection.
  • 100 kA Icu at 440 V AC.
  • 100 kA Icw for 1 s.
  • Rear-mounted horizontal terminal arrangement.
  • Four auxiliary contacts and open/closed position indication.

Reliable High-Current Power Distribution Protection

Air circuit breakers such as the ABB Emax 3 E6.3H provide protection for low-voltage electrical distribution systems by detecting and interrupting abnormal current conditions. The Ekip Aware LSI electronic release combines long-time overload, short-time and instantaneous short-circuit protection to help protect conductors, switchgear and connected equipment.

The 1SDA125210R1 combines a 4000 A current rating with four-pole fixed construction and rear horizontal terminals, making it suitable for integration into appropriately engineered distribution boards and switchboards. Its high short-circuit performance and adjustable electronic protection functions support demanding electrical distribution applications.

Typical Applications

  • Industrial low-voltage distribution switchboards.
  • Commercial building power distribution systems.
  • High-current feeder protection.
  • Manufacturing and processing facilities.
  • Electrical infrastructure and plant distribution boards.
  • Main and sub-distribution panels.
  • High-current electrical distribution networks.

Technical Specifications

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Trip Unit LSI
Device Type ACB
Current 4000 A
Poles 4-pole
Phase Three Phase
Breaking Capacity 100 kA
Application Power distribution
Mounting Type Fixed
Manufacturer ABB
Series SACE Emax 3
Model 1SDA125210R1
Product type Low-voltage air circuit breaker
Breaker type E6.3H
Rated current 4000 A
Number of poles 4
Installation type Fixed
Trip unit Ekip Aware LSI
Long-time current setting 1600–4000 A
Short-time current setting 2400–40000 A
Instantaneous current setting 6000–60000 A
Maximum rated operational voltage 690 V AC
Rated ultimate short-circuit breaking capacity, Icu at 440 V AC 100 kA
Short-time withstand current, Icw for 1 s 100 kA
Terminal arrangement Rear-mounted horizontal
Auxiliary contacts 4
Contact position indication Open/closed
HS Code 85362090

Frequently Asked Questions

What is the ABB 1SDA125210R1 used for?

The ABB 1SDA125210R1 is a four-pole fixed Emax 3 air circuit breaker designed for high-current low-voltage power distribution and circuit protection.

What is the rated current of the ABB 1SDA125210R1?

The ABB 1SDA125210R1 has a rated current of 4000 A.

What type of protection does the 1SDA125210R1 provide?

The circuit breaker uses an Ekip Aware LSI electronic release providing long-time overload, short-time and instantaneous short-circuit protection.

Is the ABB 1SDA125210R1 fixed or withdrawable?

The ABB 1SDA125210R1 is a four-pole fixed circuit breaker with rear-mounted horizontal terminals.

What is the short-circuit breaking capacity of the ABB 1SDA125210R1?

The 1SDA125210R1 has a rated ultimate short-circuit breaking capacity of 100 kA at 440 V AC and a short-time withstand current of 100 kA for 1 s.

Trusted by Machine Builders Worldwide

ABB Emax 3 air circuit breakers are designed for modern low-voltage power distribution systems, providing dependable high-current circuit protection, switching capability and electronic protection functions for industrial and commercial electrical infrastructure.