Features: Dual-way SCR input, starting voltage is zero volt and Ioff is zero.Opto-isolator is between the input circuit and the output circuit.Isolation withstand voltage is 2500V between input and output.Pass load-current aging test. Get ec CE certification and international ISO9000 certification.LED light displays the working status in real time.Specification: Material: Plastic+MetalColor: Shown As PicturesWeight: 124gType: Solid State RelaysTrigger Current: 40Contact Switching Voltage: 480Reverse Repeat Peak Voltage: 480Off Speed: NormalHeat Dissipation Function: no heat sinkPower Characteristics: medium powerRated Forward Average Current: 40Frequency Characteristic: intermediate frequencyMaximum Stable Working Current: 40Poles: 3 polesApplication: solid statePick-Up Current: 40Control Mode: AC-ACLoad Current: 40ALoad Voltage: 24-480V ACControl Voltage: 90-250V ACControl Current: AC:12mAOn State Leakage Current: less than 2mAGeneral Antihypertensive: no more than 1.5V ACBreaking Time: less than or equal to 10mSPressure Resistance: 2500V ACInsulation Resistance: 500 mΩ / 500 VDCAmbient Temperature: - 30 ℃ to + 75 ℃Installation: BoltedWork Instruction: LEDPackage List:1 x Solid State Relay.Note:It can only be used within 30% of 40a (12A) and a radiator should be added at the bottom.Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.