Specification Brand : Opto 22 BulletPoint1 : Solid state relay for fast response and high vibration resistance BulletPoint2 : Panel mount for attaching to a conductive panel or heat sink BulletPoint3 : Zero-voltage switching to reduce arcing and extend the life of the device BulletPoint4 : Built-in snubber for preventing arcing across contacts BulletPoint5 : UL Recognized for safety, CSA and CE certified for quality assurance, and RoHS compliant for hazardous substances Color : Black ConnectorType : Screw CurrentRating : 45 amps ExternallyAssignedProductIdentifier : 8475896951033 ExternallyAssignedProductIdentifier1 : 085267055031 ExternallyAssignedProductIdentifier2 : 0085267055031 ItemName : Opto 22 240D45 DC Control Solid State Relay, 240 VAC, 45 Amp, 4000 V Optical Isolation, 1/2 Cycle Maximum Turn-On/Off Time, 25 - 65 Hz Operating Frequency ItemPackageDimensions_Height : 1.27 centimeters ItemPackageDimensions_Length : 6.35 centimeters ItemPackageDimensions_Width : 4.826 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : solid-state-relays LowerTemperatureRating : -40 degrees_celsius Manufacturer : Opto 22 Material : Copper MaximumSwitchingCurrent : 10 amps MaximumSwitchingVoltage : 220 volts MeasurementSystem : English ModelName : Fafeicy16oznbdaq0 ModelNumber : 240D45 MountingType : Panel Mount NationalStockNumber : 5945-01-347-2208 NumberOfItems : 1 OperationMode : Manual PartNumber : 240D45 ProductDescription :
SSR Solid State Relay are DC relay, Triac output.
The triac version of the zero switching relay is a cheap solution for resistive loads the zero switching relay switch when the DC sine voltage just crosses zero.
The switch turn off when the current crosses zero.