1SDA071940R1 ABB E6.2V 6300 Ekip G Hi-Touch LSIG 4p FHR Air Circuit Breaker

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

The ABB 1SDA071940R1 is a high-capacity Emax 2 air circuit breaker (ACB) engineered for demanding generator and low-voltage power-distribution applications. Identified as the E6.2V 6300 Ekip G Hi-Touch LSIG 4p FHR, this four-pole fixed circuit breaker combines a substantial 6300 A rated uninterrupted current with ABB’s advanced Ekip G Hi-Touch LSIG electronic protection release.

As part of the ABB SACE Emax 2 E6.2V series, this breaker delivers exceptionally high short-circuit performance for critical industrial, generator and infrastructure installations. The Ekip G Hi-Touch LSIG release provides long-time overload, short-time selective short-circuit, instantaneous short-circuit and earth-fault protection while adding advanced measurement, monitoring and power-management functionality.

With a rated voltage of 690 V AC, an ultimate short-circuit breaking capacity of 150 kA at 400 V AC and a rated short-time withstand current of 100 kA for 1 s, the 1SDA071940R1 is engineered for electrical systems with exceptionally high 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 E6.2V air circuit breaker for generator and critical power-distribution applications.
• 6300 A rated uninterrupted current for major industrial and infrastructure installations.
• 150 kA Icu at 400 V AC for dependable interruption of exceptionally high prospective fault currents.
• 100 kA Icw for 1 s supports demanding selective protection strategies.
• Advanced Ekip G Hi-Touch LSIG electronic trip unit for generator-oriented protection, measurement and monitoring.
• Integrated long-time, short-time, instantaneous and earth-fault protection.
• Four-pole configuration for switching and protection of three phases and neutral.
• Fixed construction with rear flat horizontal terminals for permanent switchboard integration.

Key Features

• ABB SACE Emax 2 E6.2V series.
• 6300 A rated uninterrupted current.
• 690 V AC rated voltage.
• 150 kA ultimate short-circuit breaking capacity at 400 V AC.
• 100 kA rated short-time withstand current for 1 s.
• Ekip G Hi-Touch LSIG electronic protection release.
• Long-time overload, short-time selective, instantaneous and earth-fault protection functions.
• 2520–6300 A overload release adjustment range.
• 3780–63000 A short-time delayed short-circuit adjustment range.
• 9450–94500 A instantaneous short-circuit adjustment range.
• Integrated earth-fault protection.
• Advanced measurement and monitoring functionality for generator and power-management applications.
• 4-pole fixed circuit breaker configuration.
• Rear flat horizontal main terminals.
• Four auxiliary change-over contacts.
• Circuit-breaker switched-off indication.
• Optional motor drive.

Advanced Generator Protection and Power Management

The ABB Emax 2 E6.2V platform is engineered for high-current low-voltage systems where exceptional short-circuit performance, selective protection and sophisticated power management are required. With a 6300 A current rating, 150 kA breaking capacity at 400 V AC and a 100 kA one-second short-time withstand rating, the E6.2V 6300 is particularly suited to critical distribution positions exposed to very high prospective fault currents.

The Ekip G Hi-Touch LSIG electronic trip unit combines generator-oriented protection with advanced measurement and monitoring capabilities. 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, automation and sophisticated energy-management strategies.

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 advanced measurement and integrated earth-fault protection.