1SDA071921R1 ABB E6.2H 6300 Ekip Dip LI 4p FHR Air Circuit Breaker

Why Choose the ABB E6.2H 6300 Ekip Dip LI 4p FHR Air Circuit Breaker?

The ABB E6.2H 6300 Ekip Dip LI 4p FHR, order code 1SDA071921R1, is a high-current SACE Emax 2 air circuit breaker designed for reliable protection and switching in demanding low-voltage power distribution systems. With a 6300 A rated uninterrupted current, four-pole construction and Ekip Dip LI electronic trip unit, it provides dependable overload and instantaneous short-circuit protection for major industrial and infrastructure installations.

As part of the ABB SACE Emax 2 E6.2H range, this circuit breaker combines robust switching performance with electronic protection in a fixed installation format. The Ekip Dip LI release provides long-time and instantaneous protection functions, while the four-pole configuration enables simultaneous switching of the three phase conductors and neutral.

The E6.2H performance level provides a 100 kA ultimate short-circuit breaking capacity and a 100 kA rated short-time withstand current for 1 second. This fixed breaker features rear horizontal main terminals and is designed for integration into high-current low-voltage switchboards where dependable fault interruption and system protection are essential.

Key Advantages

• High-current ABB SACE Emax 2 air circuit breaker for demanding power distribution applications.
• 6300 A rated uninterrupted current for major low-voltage installations.
• Four-pole configuration for three-phase and neutral switching.
• Ekip Dip LI electronic trip unit provides long-time and instantaneous protection.
• 100 kA short-circuit breaking capacity for high-fault-level electrical systems.
• Fixed installation with rear horizontal terminals for switchboard integration.

Key Features

• ABB SACE Emax 2 E6.2H series.
• 6300 A rated uninterrupted current.
• Four-pole construction.
• Ekip Dip LI solid-state electronic protection release.
• Long-time overload and instantaneous short-circuit protection.
• 690 V AC rated operational voltage.
• 100 kA short-circuit breaking capacity.
• 100 kA short-time withstand current for 1 second.
• Fixed circuit-breaker construction.
• Rear horizontal main-circuit terminals.

Reliable Protection for High-Current Power Distribution

ABB SACE Emax 2 air circuit breakers are designed to protect low-voltage electrical systems against damaging overcurrents while providing reliable switching of high-current circuits. The Ekip Dip LI electronic release monitors current and trips the breaker when configured overload or instantaneous short-circuit thresholds are exceeded.

The combination of a 6300 A current rating, four-pole construction and high short-circuit performance makes the 1SDA071921R1 particularly suitable for major distribution switchboards, transformer protection and industrial power systems where robust electrical protection and continuity of service are important.

Typical Applications

• High-current low-voltage distribution systems.
• Main incoming and distribution switchboards.
• Transformer and installation protection.
• Industrial plants and manufacturing facilities.
• Commercial and infrastructure power distribution.
• Data centres and critical power installations.