a separate single-point power kit or specific breaker may be required for installation

High Compatibility: Direct replacement for Hankison HKN-0731-5 and designed specifically for HF7-24-8 filter housings

Robust Construction: Equipped with high-grade ball bearings and a standard 56 frame for superior mechanical stability

Key Benefits Internal High Select Relay: Automatically selects the higher of two pressure signals to maintain minimum damper positions for ventilation compliance

maintaining efficiency and protecting the integrity of the electrical distribution within the HVAC sequencing control system

ABB CA4-10 Auxiliary Contact R-410A a separate single-point power kitThe ABB CA4 10 is a high performance 1 pole front mounted auxiliary contact block engineered for seamless integration with AF09 to AF96 contactors and NF contactor relays. This Normally Open (NO) auxiliary contact provides instantaneous switching logic, making it an essential component for expanding control and signaling capabilities in industrial automation systems. Designed for reliability in standard industrial environments, the CA4 10 features a