Inkbird Solid State Relay 40DA DC SSR Black Heat Sink for PID Thermostat Temperature Controller auspowers_batchfour 4mm) but harder tinned brass

4mm) but harder tinned brass for durable quick disconnect and connect applications

It has heat conducting properties

Sound meter can read between 30dB~130dB

An audible alarm will sound when the temperatures rises above or goes below the set temperatures

Inkbird Solid State Relay 40DA DC SSR Black Heat Sink for PID Thermostat Temperature Controller auspowers_batchfour 4mm) but harder tinned brassInkbird Solid State Relay 40DA DC SSR Black Heat Sink for PID Thermostat Temperature Controller 40A SSR Specifications: Load Voltage: 24 380VAC Load Current: 40A Input Voltage: DC 3 32V Heat Sink Size: Roof: 50mm x 60mm. Foot: 80mm x 50mm. Height: 50mm Pacakge: 1x 40A SSR 1x Black heat sink Product Features 40A Solid State Relay Specifications: Load Voltage: 24 380VAC Load Current: 40A Input Voltage: DC 3 32V Heat Sink Mounting Thread Diameter