✅ ABB Emax E4.2 Fixed Part – 3200A – 3-Pole – Withdrawable HR/HR Version – (Part No.: 1SDA073913R1) The ABB 1SDA073913R1 is the fixed part of the Emax E4.2 withdrawable air circuit breaker, configured for 3 poles and designed for 3200A rated current. Featuring the HR/HR (High-Reliability) contact system, this base ensures superior electrical connectivity and mechanical alignment. Ideal for industrial and utility installations, it enables fast breaker replacement and safe maintenance procedures without requiring a full system shutdown. This model supports modular assembly and front access installation for optimized switchgear layouts. Technical Specifications: Part Number: 1SDA073913R1 Model: E4.2 W FP Rated Current (Iu): 3200A Poles: 3P Version: HR/HR – High-Reliability Contacts Compatibility: ABB Emax E4.2 Withdrawable ACB Mounting: Fixed base for withdrawable breaker Application: Heavy-duty industrial panels, power substations, critical load centers