✅ ABB Emax E2.2 Fixed Part – 2500A – 4-Pole – Withdrawable HR/HR Version – (Part No.: 1SDA073912R1) The ABB 1SDA073912R1 is the fixed portion of the Emax E2.2 air circuit breaker in a 4-pole configuration, rated at 2500A. Designed for withdrawable installations, this HR/HR version features high-reliability contact interfaces for both primary and secondary connections, ensuring maximum electrical performance and mechanical integrity. The unit is ideal for critical power systems where breaker replacement, inspection, or servicing must be done without extended downtime. Suitable for industrial panels, commercial substations, and high-reliability infrastructure applications. Technical Specifications: Part Number: 1SDA073912R1 Model: E2.2 W FP Rated Current (Iu): 2500A Poles: 4P Version: HR/HR – High-Reliability Contact Design Compatibility: ABB Emax E2.2 Withdrawable ACB Mounting: Withdrawable Base – Panel/Switchgear Application: Industrial & Utility Power Distribution