Autonics SR1-4450-N Single-Phase Solid State Relay, Panel Mount SSR

The Autonics SR1-4450-N is a single-phase solid state relay (SSR) from the SR1 Series, designed for reliable AC load switching in industrial control panels. It features a panel/chassis mount module design, 50 A load current capacity, and supports 48–480 VAC load voltage with 90–240 VAC input voltage. This model is suitable for heater control, motor-related switching applications, and other AC load control systems where silent, fast, and long-life switching is required.

Features: 

Single-phase solid state relay for AC load control
Load current: 50 A
Load voltage: 48–480 VAC
Input voltage: 90–240 VAC
Output type: AC, zero-cross switching
Circuit: SPST-NO / 1 Form A
Panel mount / chassis mount design
Screw terminal connection for easy wiring
Compact universal design for flexible installation
Ceramic PCB structure for improved heat dissipation
Green LED input indicator
SSR switching provides quiet operation and longer service life compared with mechanical relays
Suitable for industrial automation, heater control, and electrical control panels