1SDA071935R1 ABB E6.2V 6300 Ekip Touch LSI 4p FHR Air Circuit Breaker

Why Choose the ABB E6.2V 6300 Ekip Touch LSI 4p FHR Air Circuit Breaker?

The ABB E6.2V 6300 Ekip Touch LSI 4p FHR, order code 1SDA071935R1, is a high-performance SACE Emax 2 air circuit breaker designed for protection and switching in demanding low-voltage power distribution systems. With a 6300 A rated uninterrupted current, four-pole construction and Ekip Touch LSI electronic trip unit, it provides advanced overload and short-circuit protection for high-current industrial, commercial and infrastructure installations.

As part of the ABB SACE Emax 2 E6.2V range, this circuit breaker combines very high short-circuit performance with sophisticated electronic protection. The Ekip Touch LSI release provides long-time, short-time and instantaneous protection functions, allowing coordinated protection against overloads and both delayed and instantaneous short-circuit conditions.

The E6.2V performance level provides an ultimate short-circuit breaking capacity of 150 kA at 400–440 V AC and a rated short-time withstand current of 100 kA for 1 second. This fixed four-pole version features rear horizontal terminals and four auxiliary contacts, making it suitable for integration into high-power switchboards where exceptional fault-clearing capability and dependable system protection are required.

Key Advantages

• High-performance ABB SACE Emax 2 E6.2V air circuit breaker.
• 6300 A rated uninterrupted current for major low-voltage installations.
• Four-pole configuration for three-phase and neutral switching.
• Advanced Ekip Touch LSI electronic trip unit for comprehensive overcurrent protection.
• Long-time, short-time and instantaneous protection functions.
• 150 kA ultimate breaking capacity at 400–440 V AC for very high prospective fault currents.
• Fixed execution with rear horizontal terminals for switchboard integration.

Key Features

• ABB SACE Emax 2 E6.2V series.
• 6300 A rated uninterrupted current.
• Four-pole construction.
• Ekip Touch LSI solid-state electronic protection release.
• Long-time overload, short-time delayed and instantaneous short-circuit protection.
• 690 V AC rated operational voltage.
• 150 kA Icu at 400–440 V AC.
• 100 kA Icw for 1 second.
• Fixed circuit-breaker execution.
• Rear horizontal main-circuit terminals.
• Four auxiliary contacts with circuit-breaker open/closed position indication.

Advanced Protection for High-Current Power Distribution

ABB SACE Emax 2 air circuit breakers combine high-current switching with intelligent electronic protection and high short-circuit interruption capability. The Ekip Touch LSI release provides adjustable long-time, short-time and instantaneous protection, helping coordinate circuit protection while safeguarding cables, switchgear and connected electrical equipment.

The combination of a 6300 A current rating, four-pole construction and E6.2V high-breaking-capacity performance makes the 1SDA071935R1 particularly suitable for critical main distribution boards, transformer-fed installations and high-power industrial systems where selectivity, reliable fault interruption 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.