1SDA071954R1 ABB E6.2H/f 4000 Ekip Touch LI 4p FHR Air Circuit Breaker

Why Choose the ABB E6.2H/f 4000 Ekip Touch LI 4p FHR Air Circuit Breaker?

The ABB E6.2H/f 4000 Ekip Touch LI 4p FHR, order code 1SDA071954R1, is a high-performance four-pole SACE Emax 2 air circuit breaker designed for protection and switching in demanding low-voltage power-distribution systems. This E6.2H/f full-size-neutral version combines a 4000 A rated uninterrupted current with the advanced Ekip Touch LI solid-state electronic trip unit.

The E6.2H/f performance level provides a rated ultimate short-circuit breaking capacity of 100 kA at 440 V AC together with a rated short-time withstand current of 100 kA for 1 s. Its Ekip Touch LI trip unit provides long-time overload and instantaneous short-circuit protection, with electronic adjustment of the overload threshold and an intuitive touchscreen interface for protection configuration and supervision.

This model is a fixed four-pole, full-size-neutral air circuit breaker equipped with rear horizontal (FHR) terminals. ABB supplies the breaker with four auxiliary contacts and open/closed position indication, making the 1SDA071954R1 a robust solution for main switchboards, industrial plants, infrastructure and other high-current installations requiring dependable LI protection and a fully rated neutral pole.

Key Advantages

• High-performance ABB SACE Emax 2 E6.2H/f air circuit breaker for demanding low-voltage distribution systems.
• 4000 A rated uninterrupted current for high-capacity incoming and distribution circuits.
• Full-size neutral configuration for four-pole distribution systems requiring a fully rated neutral path.
• 100 kA ultimate short-circuit breaking capacity at 440 V AC.
• 100 kA short-time withstand current for 1 s supports selective high-fault-level distribution systems.
• Ekip Touch LI electronic trip unit provides long-time overload and instantaneous short-circuit protection.
• Electronic overload adjustment from 0.4–1 × In supports coordination with the protected circuit.
• Fixed construction with rear horizontal terminals supports integration into high-current switchboards.

Key Features

• ABB SACE Emax 2 E6.2H/f series.
• 4000 A rated uninterrupted current.
• Four-pole, full-size-neutral configuration.
• Ekip Touch LI solid-state electronic trip unit.
• Long-time overload protection.
• Instantaneous short-circuit protection.
• Electronic overload setting from 0.4–1 × In.
• 690 V rated voltage.
• 100 kA Icu at 440 V AC.
• 100 kA Icu at 500/525/690 V AC.
• 100 kA Icw for 1 s.
• Touchscreen interface for protection configuration and supervision.
• Fixed execution.
• Rear flat horizontal (FHR) terminal arrangement.
• Bolted main-circuit connections.
• Supplied with four auxiliary contacts.
• Breaker open/closed position indication.
• Suitable for IT networks up to 690 V.
• Designed in accordance with IEC 60947-2.

Reliable Full-Size-Neutral Protection for High-Current Distribution

High-current four-wire distribution systems can place significant demands on the neutral conductor, particularly where non-linear or unbalanced loads are present. The ABB E6.2H/f combines a 4000 A rated uninterrupted current with a full-size neutral pole and 100 kA short-circuit performance, providing a robust platform for major incoming circuits, busbars and high-capacity distribution feeders.

The Ekip Touch LI trip unit provides electronic long-time overload and instantaneous short-circuit protection while retaining straightforward configuration through its touchscreen interface. Combined with fixed construction, rear horizontal connections and ABB's Emax 2 platform, the 1SDA071954R1 provides dependable circuit protection where high current capacity, strong fault performance and a fully rated neutral are required.

Typical Applications

• Main incoming protection in high-current four-wire low-voltage switchboards.
• Industrial power-distribution systems.
• Large manufacturing and process facilities.
• Data centres and critical power infrastructure.
• Commercial buildings with substantial neutral loading.
• Transformer secondary and high-current feeder protection.
• High-capacity busbar distribution systems.
• Installations requiring a full-size neutral with electronic LI protection.