Autonics SRH3-4475 Three-Phase Solid State Relay, Panel Mount SSR

The Autonics SRH3-4475 is a three-phase solid state relay (SSR) with an integrated heatsink, designed for reliable switching of industrial AC loads. It supports 90–240 VAC input control voltage and 48–480 VAC load voltage, with a rated load current of 75 A. This SSR is suitable for panel-mounted control systems, heater control, industrial automation equipment, and three-phase AC load switching applications.

Features:

Three-phase / 3-pole solid state relay
Rated load current: 75 A
Rated input voltage: 90–240 VAC
Rated load voltage: 48–480 VAC
Integrated heatsink type for improved heat dissipation
Zero-cross turn-on output for stable AC load switching
Photo-coupled relay design
3PST-NO / 3 Form A circuit configuration
Screw terminal connection
Dielectric strength: 4,000 VAC
Suitable for panel mount applications
Designed for industrial automation, heater control, and three-phase AC power control systems