1SDA072611R1 ABB E6.2H 5000 Ekip Dip LI 3-Pole Air Circuit Breaker

Why Choose the ABB 1SDA072611R1 E6.2H 5000 Ekip Dip LI Air Circuit Breaker?

The ABB 1SDA072611R1 is a high-performance SACE Emax 2 E6.2H 5000 air circuit breaker moving part designed for demanding high-current low-voltage power distribution systems. This three-pole configuration combines a 5000 A rated uninterrupted current with an Ekip Dip LI solid-state electronic trip unit, providing long-time overload and instantaneous short-circuit protection.

As part of the ABB SACE Emax 2 range, the E6.2H is engineered for installations requiring substantial current capacity and high short-circuit performance. The Ekip Dip LI release provides straightforward electronic protection configuration, while the E6.2H breaker delivers a rated ultimate short-circuit breaking capacity of 100 kA across key low-voltage AC system voltages.

This model is a 3-pole withdrawable moving part (WMP) rated for operation up to 690 V AC. With a rated short-time withstand current of 100 kA for 1 s and 3 s, the 1SDA072611R1 is suited to high-fault-level switchboards where dependable protection, high-current capability and maintainable withdrawable architecture are required.

Key Advantages

• High-performance ABB SACE Emax 2 E6.2H air circuit breaker for demanding low-voltage distribution.
• 5000 A rated uninterrupted current for very high-current industrial and infrastructure applications.
• Ekip Dip LI electronic trip unit provides long-time overload and instantaneous short-circuit protection.
• 100 kA Icu at 400, 415, 440, 500 and 690 V AC.
• 100% Ics/Icu ratio provides high service short-circuit breaking performance.
• 100 kA short-time withstand current for 1 s and 3 s.
• Withdrawable moving-part design supports efficient switchboard inspection, servicing and maintenance.

Key Features

• ABB SACE Emax 2 E6.2H frame.
• 5000 A rated uninterrupted current.
• 3-pole configuration.
• Ekip Dip LI solid-state electronic release.
• Long-time L overload protection.
• Instantaneous I short-circuit protection.
• 690 V AC rated operational voltage.
• 1000 V AC rated insulation voltage.
• 12 kV rated impulse withstand voltage.
• 100 kA Icu at 400–690 V AC.
• 100 kA Icw for 1 s and 3 s.
• 4 auxiliary change-over contacts.
• Circuit-breaker open/closed position indication.
• Withdrawable moving part (WMP) configuration.

High-Current LI Protection for Demanding Power Distribution

Air circuit breakers such as the ABB SACE Emax 2 E6.2H provide switching and protection for very high-current low-voltage distribution circuits. The Ekip Dip electronic release monitors circuit conditions and initiates interruption when configured protection thresholds are exceeded, helping protect switchgear, conductors and connected equipment against overload and severe short-circuit currents.

The Ekip Dip LI release combines long-time overload protection with instantaneous short-circuit protection. Together with the E6.2H frame's 100 kA short-circuit breaking capability, 5000 A current rating and withdrawable architecture, the 1SDA072611R1 provides a robust solution for high-capacity installations where dependable protection and maintainability are essential.

Typical Applications

• Main incoming protection in very high-current low-voltage switchboards.
• Large industrial power distribution systems.
• Transformer secondary protection and distribution.
• High-current feeder protection.
• Commercial and infrastructure electrical distribution.
• Power generation and utility distribution systems.
• Critical power systems and large electrical installations.