1SDA071870R1 ABB E6.2H 4000 Ekip G Hi-Touch LSIG 4p FHR Air Circuit Breaker

Why Choose the ABB E6.2H 4000 Ekip G Hi-Touch LSIG 4p FHR Air Circuit Breaker?

The ABB E6.2H 4000 Ekip G Hi-Touch LSIG 4p FHR, order code 1SDA071870R1, is a high-performance four-pole air circuit breaker (ACB) designed for protection, switching and isolation in demanding low-voltage power distribution systems. As part of the advanced ABB SACE Emax 2 series, it combines a substantial 4000 A rated current with sophisticated electronic protection and high short-circuit performance for critical industrial, commercial and infrastructure installations.

This Emax 2 circuit breaker incorporates the Ekip G Hi-Touch LSIG electronic trip unit, providing long-time overload, short-time selective short-circuit, instantaneous short-circuit and earth-fault protection. The advanced Ekip G Hi-Touch platform is designed for sophisticated power protection and monitoring applications, helping engineers achieve accurate protection coordination and dependable operation across complex electrical distribution networks.

The E6.2H 4000 is a fixed, four-pole breaker with rear horizontal terminals. It operates at up to 690 V AC and provides an ultimate short-circuit breaking capacity of 100 kA at 400 V AC, making it suitable for high-current incoming supplies, generator systems, feeders and critical main distribution switchboards.

Key Advantages

• High-capacity 4000 A air circuit breaker for demanding low-voltage distribution systems.
• Four-pole configuration for comprehensive switching, protection and isolation.
• Advanced Ekip G Hi-Touch LSIG electronic trip unit for sophisticated circuit protection.
• Long-time, short-time, instantaneous and earth-fault protection in a single integrated trip unit.
• 100 kA ultimate short-circuit breaking capacity at 400 V AC.
• Advanced protection capabilities support selectivity and coordination in complex distribution networks.
• Fixed installation for permanent integration into low-voltage switchboards.
• Rear horizontal terminals facilitate connection to high-current busbar systems.

Key Features

• ABB SACE Emax 2 E6.2H air circuit breaker.
• 4000 A rated uninterrupted current.
• Four-pole configuration.
• Ekip G Hi-Touch LSIG electronic trip unit.
• Long-time overload (L) protection.
• Short-time selective short-circuit (S) protection.
• Instantaneous short-circuit (I) protection.
• Integrated earth-fault (G) protection.
• Overload protection adjustable from 1600–4000 A.
• Short-time short-circuit protection adjustable from 2400–40000 A.
• Instantaneous short-circuit protection adjustable from 6000–60000 A.
• 690 V AC rated operational voltage.
• 100 kA ultimate short-circuit breaking capacity at 400 V AC.
• Fixed construction with rear horizontal terminals.

Advanced Protection for Critical Power Distribution

Air circuit breakers such as the ABB SACE Emax 2 E6.2H provide protection, switching and isolation for high-current low-voltage electrical networks. By detecting overloads, short circuits and earth faults, the breaker can disconnect the affected circuit to help protect cables, switchgear and connected equipment while supporting dependable operation of the wider distribution system.

The Ekip G Hi-Touch LSIG trip unit combines comprehensive electronic protection with advanced functionality suited to demanding power distribution and generator applications. Together with the E6.2H frame's 4000 A current rating and 100 kA short-circuit breaking performance at 400 V AC, this makes the 1SDA071870R1 a powerful solution for critical high-current electrical installations.

Typical Applications

• Industrial low-voltage main distribution switchboards.
• Manufacturing plants and production facilities.
• Generator and generator-protection systems.
• Commercial building electrical distribution systems.
• Data centres and critical power infrastructure.
• Utilities and infrastructure installations.
• Transformer and high-current distribution systems.
• Main and feeder circuits requiring comprehensive LSIG protection.