1SDA104482R1 ABB E2.2H/E9 1250 Ekip Dip LSI 4P WMP Air Circuit Breaker 900V

Why Choose the ABB 1SDA104482R1 Emax 2 Air Circuit Breaker?

The ABB 1SDA104482R1 is a high-performance SACE Emax 2 E2.2H/E9 air circuit breaker (ACB) designed for protection and switching in demanding electrical distribution systems. Configured as an E2.2H/E9 1250 Ekip Dip LSI 4p WMP 900V, this four-pole withdrawable circuit breaker moving part combines a 1250 A rated uninterrupted current with ABB's Ekip Dip LSI electronic protection trip unit.

Part of the ABB SACE Emax 2/E9 range, the E2.2H/E9 is engineered for elevated-voltage low-voltage applications operating at up to 900 V AC. The H breaking-capacity execution provides an ultimate short-circuit breaking capacity of 65 kA, giving the breaker robust fault-interruption capability for industrial and infrastructure distribution networks.

The integrated Ekip Dip LSI trip unit provides long-time, short-time and instantaneous overcurrent protection with adjustable protection thresholds. Its withdrawable moving-part construction is designed for use with the corresponding Emax 2 fixed part, supporting convenient inspection, maintenance and replacement in compatible switchboard installations.

Key Advantages

• High-performance 1250 A Emax 2 air circuit breaker for demanding power-distribution systems.
• 900 V AC E9 configuration for elevated-voltage low-voltage applications.
• 65 kA ultimate short-circuit breaking capacity for robust fault interruption.
• Four-pole construction for four-pole switching and protection.
• Ekip Dip LSI electronic trip unit provides adjustable overcurrent protection.
• Long-time, short-time and instantaneous protection functions.
• Withdrawable moving-part design supports maintainable switchboard installations.

Key Features

• ABB SACE Emax 2 E2.2H/E9 air circuit breaker.
• 1250 A rated uninterrupted current.
• Four-pole (4P) configuration.
• Designed for applications up to 900 V AC.
• 65 kA Icu breaking-capacity class.
• Ekip Dip LSI electronic protection trip unit.
• Long-time (L), short-time (S) and instantaneous (I) protection functions.
• Long-time protection adjustment: 0.4–1 × In.
• Instantaneous protection adjustment: 1–10 × In.
• Withdrawable / WMP execution for use with the corresponding Emax 2 fixed part.

Reliable High-Capacity Power Distribution Protection

Air circuit breakers such as the ABB Emax 2 E2.2H/E9 provide switching and electronic protection for high-current electrical distribution networks. The E2.2H/E9 combines a substantial continuous-current rating with high short-circuit interruption capability, helping protect switchboards, conductors and connected equipment against overload and short-circuit conditions.

The Ekip Dip LSI trip unit provides dedicated long-time, short-time and instantaneous protection functions with adjustable operating thresholds for coordination within the electrical distribution system. Combined with the 65 kA breaking-capacity class and withdrawable Emax 2 construction, the 1SDA104482R1 provides a dependable and serviceable protection solution for demanding industrial installations.

Typical Applications

• Main incoming protection for industrial electrical switchboards.
• Power-distribution systems operating up to 900 V AC.
• Manufacturing and process plants.
• Power generation and energy distribution installations.
• Large commercial and infrastructure electrical systems.
• Feeder and transformer protection.
• Switchboards requiring withdrawable breakers with electronic LSI protection.