BERM Solid State Relay Single Phase with High Performance Optocoupler Control 0-10VDC Load 0-250VAC(BERM-40VD ) Item Type: Solid State RelayBrand: BERMModel(optional):BERM-10VD/BERM-25VD/BERM-40VD/BERM-60VD/BERM-80VD/BERM-120VD Load Current: 10A/25A/40A/60A/80A/120A (corresponding models are available) Load Voltage: 0-250VAC Control Voltage: 0-10VDC Control Method: Voltage Control Frequency Range: 50/60Hz Installation Method: Bolted Insulation Resistance: 100mΩ Working Environment Temperature: -40℃ +80℃ Size: Approx. 58 x 45 x 32mm / 2.3 x 1.8 x 1.3in The Main Purpose: Computer peripheral interface equipment, constant temperature system, temperature regulation, electric furnace heating control, motor control, numerical control machinery, remote control system, industrial automation equipment; signal light, dimming, scintillator, lighting stage lighting control system; instrumentation, copier, automatic washing machine Automatic firefighting, security system, and switching of power capacitors as compensation for power factor of the power grid, etc., and also used in chemical, coal mine and other places where explosion-proof, moisture-proof and anti-corrosion are required.