1SDA104486R1 ABB E2.2H/E9 1250 Ekip Touch LSI 4P Air Circuit Breaker 900V

Why Choose the ABB 1SDA104486R1 E2.2H/E9 1250 Ekip Touch LSI Air Circuit Breaker?

The ABB 1SDA104486R1 is a high-performance Emax 2 E2.2H/E9 air circuit breaker designed for protection and control of demanding low-voltage electrical distribution systems operating at voltages up to 900 V AC. Rated at 1250 A, this four-pole withdrawable breaker combines ABB's Emax 2 platform with an advanced Ekip Touch LSI electronic trip unit.

Designed for industrial and power-distribution installations, the E2.2H/E9 provides dependable protection against overload and short-circuit conditions. The Ekip Touch trip unit provides configurable long-time, short-time and instantaneous protection functions together with a touchscreen interface that supports straightforward protection configuration, monitoring and commissioning.

This model is a four-pole moving part for a withdrawable installation and is specifically configured for applications up to 900 V AC. The E2.2H performance level provides an ultimate short-circuit breaking capacity of 65 kA at 900 V AC, making the breaker suitable for demanding distribution systems requiring high fault-current capability.

Key Advantages

• High-performance ABB Emax 2 air circuit breaker for demanding power distribution.
• 1250 A rated uninterrupted current for high-current electrical installations.
• Designed for applications operating at up to 900 V AC.
• 65 kA breaking capacity at 900 V AC for robust short-circuit protection.
• Advanced Ekip Touch LSI electronic trip unit with touchscreen operation.
• LSI functionality provides configurable overload, short-time and instantaneous protection.
• Four-pole construction supports applications requiring neutral conductor switching and protection.
• Withdrawable design facilitates inspection, servicing and replacement.

Key Features

• ABB SACE Emax 2 E2.2H/E9 series.
• 1250 A rated uninterrupted current (Iu).
• 900 V AC rated application voltage.
• 65 kA ultimate short-circuit breaking capacity (Icu) at 900 V AC.
• Four-pole configuration.
• Ekip Touch LSI electronic protection trip unit.
• LSI protection functions for long-time, short-time and instantaneous protection.
• 500–1250 A overload-release adjustment range.
• Moving part for a withdrawable circuit-breaker installation.

Advanced Protection for High-Power Distribution

ABB SACE Emax 2 air circuit breakers are engineered to protect electrical networks against abnormal current and short-circuit conditions while providing the switching and isolation capabilities required in modern power-distribution systems. The E2.2H/E9 configuration extends this capability to installations operating at up to 900 V AC.

The Ekip Touch LSI trip unit provides electronic long-time, short-time and instantaneous protection, allowing protection settings to be coordinated with the requirements of the electrical network. Its touchscreen interface supports efficient configuration and access to operating information during commissioning and maintenance.

Typical Applications

• Industrial low-voltage power distribution systems.
• Main switchboards and distribution boards.
• High-current three-phase and four-wire electrical installations.
• Manufacturing and process plants.
• Infrastructure and utility distribution systems.
• Power generation and renewable-energy installations.
• Systems requiring circuit protection at voltages up to 900 V AC.