Specification BatteriesRequired : 1 Brand : KNACRO BulletPoint1 : Using high-power relay, the maximum control load DC 30V 30A / AC 250V 30A; BulletPoint2 : With each optocoupler isolation, anti-interference ability. BulletPoint3 : In line with international safety standards, the control area and the load area with isolation slot. BulletPoint4 : Each channle has a relay on LED indication. BulletPoint5 : Product Applications: PLC automation equipment control, industrial system control, logistics network control, home intelligent product control, electronic enthusiasts to develop experiments, all kinds of circuit modification BulletPoint6 : !【Caution】AC speed controller for electric motor not suitable for smart home appliances with complex circuit boards. The maximum power for connecting inductive loads (such as fans and, routers, soldering irons, small motors) is about 1800W, and it is recommended to be within 1500W; The limit power for connecting resistive loads (such as electric stoves and heaters, stoves) is 4000W, and it is recommended that the loads be within 2000W. Color : 4000W CompatibleDevices : Milwaukee 18V M18 batteries ConnectorType : Proprietary CurrentRating : 30 amps CustomerPackageType : FFP ExternallyAssignedProductIdentifier : 5057803518916 ExternallyAssignedProductIdentifier1 : 736364870309 ExternallyAssignedProductIdentifier2 : 0736364870309 IncludedComponents : controller*1 InputVoltage : 15 volts ItemName : KNACRO 4-Channel DC 24V Relay Module High Low Level Triggering Optocoupler Isolation Load 30A DC 30V / AC 250V for PLC Automation Control, Industrial System Control(24V 4-CH) ItemPackageDimensions_Height : 22.9 centimeters ItemPackageDimensions_Length : 2.7 centimeters ItemPackageDimensions_Width : 15.4 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : electric-motor-controls Manufacturer : KNACRO Material : Copper MaximumSwitchingCurrent : 30 amps MaximumSwitchingVoltage : 24 volts MeasurementSystem : Metric ModelNumber : PW01 NumberOfItems : 1 OperationMode : Automatic OutputVoltage : 18 volts_of_direct_current PartNumber : 4-Channel DC 24V Relay Module PowerSourceType : Battery Powered ProductDescription : Supply voltage: DC 24V ; Quiescent current: 5mA; Maximum operating current: 50mA; Trigger mode: high and low level trigger; Load voltage: DC 30V / AC250; Load current: 30A; Relay life: more than 100,000 times; Product weight: 385g; Size: 129 * 72 * 22mm (L * W * H);