1SDA072018R1 ABB Emax 2 E6.2H/f 6300 Ekip Hi-Touch LSI 4-Pole Air Circuit Breaker

Why Choose the ABB 1SDA072018R1 Emax 2 Air Circuit Breaker?

The ABB 1SDA072018R1 is a high-performance Emax 2 E6.2H/f air circuit breaker designed for protection, switching and isolation in high-current low-voltage electrical distribution systems. This fixed four-pole circuit breaker has a rated uninterrupted current of 6300 A and incorporates an advanced Ekip Hi-Touch LSI electronic trip unit providing long-time overload, short-time and instantaneous short-circuit protection.

As part of the advanced ABB Emax 2 series, the E6.2H/f platform is engineered for demanding industrial, commercial and infrastructure switchboards where high fault interruption capability, protection selectivity and dependable operation are essential. The H performance level provides an ultimate short-circuit breaking capacity of 100 kA at 400 V AC and a rated short-time withstand current of 100 kA for 1 s.

The E6.2H/f 6300 Ekip Hi-Touch LSI 4p FHR is supplied in a fixed configuration with four poles, a full-size neutral and rear horizontal terminals. With a rated operational voltage of 690 V AC, advanced Ekip Hi-Touch protection and a high-current E6.2 frame, it is particularly suited to main incomers, transformer protection and major distribution feeders in large low-voltage switchboards.

Key Advantages

• High-current 6300 A Emax 2 air circuit breaker for demanding power distribution systems.
• Four-pole configuration with full-size neutral for comprehensive circuit switching and isolation.
• Ekip Hi-Touch LSI electronic trip unit provides advanced long-time, short-time and instantaneous protection.
• High ultimate short-circuit breaking capacity of 100 kA at 400 V AC.
• 100 kA short-time withstand capability for 1 s supports selective high-current distribution architectures.
• Fixed mounting configuration with rear horizontal terminals for permanent switchboard installations.

Key Features

• ABB Emax 2 E6.2H/f series.
• 6300 A rated uninterrupted current.
• Four-pole construction with full-size neutral.
• Ekip Hi-Touch LSI solid-state electronic release.
• Long-time overload, short-time delayed and instantaneous short-circuit protection.
• 690 V AC rated operational voltage.
• 100 kA ultimate breaking capacity at 400 V AC.
• 100 kA rated short-time withstand current for 1 s.
• Fixed circuit-breaker execution with rear horizontal main terminals.
• Fitted with four auxiliary change-over contacts and open/closed circuit-breaker position indication.

Advanced Protection for High-Current Distribution Systems

Air circuit breakers such as the ABB Emax 2 E6.2 protect low-voltage distribution systems against abnormal current conditions while providing reliable switching and isolation. The Ekip Hi-Touch LSI electronic release provides long-time overload, short-time delayed and instantaneous short-circuit protection, helping safeguard cables, busbars, transformers and connected electrical equipment.

The E6.2 platform is designed for high-current switchboards where system availability, protection selectivity and substantial fault interruption capability are critical. Its fixed construction, full-size neutral, rear horizontal terminals and advanced Ekip Hi-Touch trip unit make the 1SDA072018R1 particularly suitable for main distribution boards, industrial switchgear and infrastructure power systems.

Typical Applications

• Main low-voltage distribution switchboards.
• Industrial power distribution systems.
• Transformer incomer protection.
• High-current feeder protection.
• Commercial and infrastructure electrical distribution.
• Manufacturing and process-industry switchgear.