1SDA071927R1 ABB E6.2H 6300 Ekip G Touch LSIG 4p FHR Air Circuit Breaker

Why Choose the ABB E6.2H 6300 Ekip G Touch LSIG 4p FHR Air Circuit Breaker?

The ABB 1SDA071927R1 is a high-capacity Emax 2 air circuit breaker (ACB) engineered for generator and demanding low-voltage power-distribution applications. Identified as the E6.2H 6300 Ekip G Touch LSIG 4p FHR, this four-pole fixed breaker combines a substantial 6300 A rated uninterrupted current with ABB’s Ekip G Touch LSIG solid-state electronic protection release.

As part of the ABB SACE Emax 2 E6.2H series, the breaker provides high short-circuit performance for critical industrial, generator and infrastructure installations. The Ekip G Touch LSIG release provides long-time overload, short-time selective short-circuit, instantaneous short-circuit and earth-fault protection, delivering comprehensive protection for high-current electrical systems.

With a rated operational voltage of 690 V AC, an ultimate short-circuit breaking capacity of 100 kA across 400–690 V AC and a short-time withstand current of 100 kA for 1 s and 3 s, the 1SDA071927R1 is engineered for installations with substantial prospective fault currents. Its four-pole fixed construction and rear flat horizontal terminals provide a robust configuration for permanent integration into high-capacity low-voltage switchboards.

Key Advantages

• High-capacity ABB Emax 2 E6.2H air circuit breaker for generator and power-distribution applications.
• 6300 A rated uninterrupted current for major industrial and infrastructure installations.
• 100 kA Icu across 400–690 V AC for dependable interruption of high prospective fault currents.
• 100 kA Icw for 1 s and 3 s supports demanding selective protection strategies.
• Ekip G Touch LSIG electronic trip unit provides overload, short-circuit and integrated earth-fault protection.
• Four-pole configuration for switching and protection of three phases and neutral.
• 100% Ics/Icu ratio provides high service short-circuit breaking performance.
• Fixed construction with rear flat horizontal terminals for permanent switchboard integration.

Key Features

• ABB SACE Emax 2 E6.2H series.
• 6300 A rated uninterrupted current.
• 690 V AC rated operational voltage.
• 1000 V AC rated insulation voltage.
• 12 kV rated impulse withstand voltage.
• 100 kA Icu at 400, 415, 440, 500, 525 and 690 V AC.
• 100 kA Icw for 1 s and 3 s.
• Ekip G Touch LSIG solid-state electronic protection release.
• Long-time overload, short-time selective, instantaneous and earth-fault protection functions.
• 2520–6300 A overload release adjustment range.
• Integrated earth-fault protection.
• 4-pole fixed circuit breaker configuration.
• Rear flat horizontal main terminals with bolted connection.
• Four auxiliary change-over contacts.
• Circuit-breaker open/closed position indication.
• IP30 degree of protection.
• Optional motor drive.
• Suitable for 690 V IT networks.

Advanced Generator and High-Current Distribution Protection

The ABB Emax 2 E6.2H platform is designed for high-current low-voltage systems where substantial fault-interruption capability and selective protection are required. With a 6300 A current rating, 100 kA breaking capacity throughout the principal 400–690 V AC operating range and a 100 kA short-time withstand rating for up to three seconds, the E6.2H 6300 is suited to critical distribution points exposed to high prospective fault currents.

The Ekip G Touch LSIG electronic trip unit adds comprehensive protection suited to generator and power-distribution applications. Its long-time, short-time, instantaneous and earth-fault functions help protect generators, transformers, busbars, cables and connected equipment while supporting selective coordination, continuity of service and dependable operation of high-capacity electrical systems.

Typical Applications

• Generator protection and generator-based power systems.
• Main incomer protection in high-current low-voltage switchboards.
• Large industrial power-distribution systems.
• Transformer and installation protection.
• Manufacturing and process plants.
• Data centres and critical power installations.
• Utility and infrastructure electrical distribution.
• High-current installations requiring integrated earth-fault protection.