Autonics SR1-4475-N Single-Phase Solid State Relay, Panel Mount SSR

The Autonics SR1-4475-N is a single-phase solid state relay (SSR) designed for reliable AC load switching in industrial control panels. It features a 75A rated load current, 48–480VAC load voltage, and 90–240VAC input control voltage. This model uses zero-cross turn-on switching, helping reduce electrical noise and inrush stress when switching AC loads. It is a panel/chassis mount SSR from the Autonics SR1 series, suitable for heaters, motors, lamps, and other single-phase AC control applications.

Features:

Single-phase SSR for AC load control
Rated load current: 75A
Load voltage range: 48–480VAC
Input control voltage: 90–240VAC
Output type: AC, zero-cross switching
Circuit type: SPST-NO / 1 Form A
Panel / chassis mount design
Screw terminal connection for secure wiring
Dielectric strength: 2500VAC, 50/60Hz for 1 minute
Operating temperature: -20°C to 70°C
Green input indicator LED
Compact universal design with high heat-dissipation efficiency
Suitable for industrial automation, heater control, motor control, and electrical control panels.