1SDA071594R1 ABB E2.2S 1250 Ekip Touch LI 4-Pole Fixed Air Circuit Breaker

Why Choose the ABB E2.2S 1250 Ekip Touch LI 4p FHR Air Circuit Breaker?

The ABB E2.2S 1250 Ekip Touch LI 4p FHR, order code 1SDA071594R1, is a high-performance SACE Emax 2 air circuit breaker (ACB) designed for switching and protection in demanding low-voltage power distribution systems. Part of the ABB Emax 2 E2.2 series, this fixed four-pole circuit breaker combines a 1250 A rated current with the advanced Ekip Touch LI electronic trip unit.

The Ekip Touch LI release provides long-time overload and instantaneous short-circuit protection through an electronic protection platform with an intuitive touchscreen interface. This enables straightforward configuration and access to operating information while providing dependable protection for conductors, switchgear and connected equipment.

The E2.2S performance level provides an ultimate short-circuit breaking capacity of 85 kA at 400–440 V AC and 66 kA at 500–690 V AC. With a rated operational voltage up to 690 V AC, fixed construction and rear horizontal terminals, the 1SDA071594R1 is well suited to main switchboards, incomers and high-current feeder circuits in industrial and commercial power distribution.

Key Advantages

• High-performance ABB SACE Emax 2 air circuit breaker for low-voltage power distribution.
• 1250 A rated current for high-current industrial and commercial circuits.
• Four-pole configuration supports switching and protection of three-phase systems with neutral.
• Ekip Touch LI electronic trip unit provides long-time overload and instantaneous short-circuit protection.
• Touchscreen interface simplifies protection configuration and access to operating information.
• 85 kA Icu at 400–440 V AC provides substantial short-circuit interruption capability.
• 66 kA Icu at 500–690 V AC supports demanding higher-voltage distribution networks.
• Fixed construction with rear horizontal terminals for switchboard integration.

Key Features

• ABB SACE Emax 2 E2.2S frame.
• 1250 A rated current.
• Four-pole fixed air circuit breaker.
• Ekip Touch LI electronic protection release.
• Long-time overload protection (L).
• Instantaneous short-circuit protection (I).
• Touchscreen interface for configuration and monitoring.
• 690 V AC rated operational voltage.
• 1000 V AC rated insulation voltage.
• 12 kV rated impulse withstand voltage.
• 85 kA Icu at 400–440 V AC.
• 66 kA Icu at 500–690 V AC.
• 66 kA short-time withstand current for 1 s.
• Rear horizontal main-terminal arrangement.
• Designed for reliable protection of high-current low-voltage distribution circuits.

Reliable High-Current Power Distribution Protection

Air circuit breakers such as the ABB Emax 2 E2.2S provide switching and protection at critical points within low-voltage electrical networks. Their combination of high continuous-current capability and substantial short-circuit interruption performance makes them suitable for main distribution boards, transformer-fed switchgear and industrial systems where reliable fault clearing is essential.

The Ekip Touch LI release combines long-time protection against sustained overload conditions with instantaneous protection against severe short circuits. Its touchscreen interface provides a convenient method of configuring and reviewing the protection system, helping engineers achieve dependable circuit protection while simplifying commissioning and ongoing operation.

Typical Applications

• Main low-voltage switchboards and distribution assemblies.
• Industrial main incomer protection.
• High-current feeder circuits.
• Transformer secondary distribution systems.
• Manufacturing and process facilities.
• Commercial and infrastructure electrical distribution.
• Data centres and critical power installations.
• Large building-services electrical systems.