Specification Brand : JIUWU BulletPoint1 : High-Quality Current Monitoring Relays: Our 12V relay module delivers top-notch performance and complies with safety standards, ensuring reliable and stable operation for your projects. BulletPoint2 : Versatile and Easy to Use: Can be controlled directly by Microcontroller(for arduino,8051,AVR,PIC,DSP,ARM,MSP430, TTL logic) and set high or low level trigger through jumper wire. BulletPoint3 : Powerful Driving Ability: Use SMT optocoupler to isolation,all interfaces can be directly connected through the terminal out. BulletPoint4 : Secure and Efficient: Our low-trigger current design ensures efficient power usage and prevents accidental triggering, keeping your system safe and running smoothly. BulletPoint5 : There are four holes around the board with a diameter of 3.1mm for easy installation. CurrentRating : 10 amps FinishType : Finish IncludedComponents : inc ItemName : 4PCS Relay Module, 4-Ch 12V Red Development Board with Optocoupler Relay Module for UNO Support High and Low Level Trigger ItemPackageDimensions_Height : 17.0942 centimeters ItemPackageDimensions_Length : 4.2926 centimeters ItemPackageDimensions_Width : 11.0998 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : voltage-monitoring-relays Manufacturer : JIUWU Material : tile MaximumSwitchingCurrent : 10 amps MaximumSwitchingVoltage : 250 volts MeasurementSystem : Metric ModelNumber : 120 NumberOfItems : 1 OperationMode : Automatic PartNumber : 120 PowerSourceType : Powersource ProductDescription : Specification: Item Size:50mm * 73mm * 18.5mm; Maximum load of NO port: AC 250V/10A,DC 30V/10A; Provides four fixed bolt holes,hole diameter:3.1mm,holes spacing:44.5mm*67mm;
Module Port: Input Connection: DC +: Connect the positive pole (VCC) DC-: Connect the negative pole (GND) IN1-IN4: Control the relay-operating by low or high level
Output Connection: NO1-NO4:Normally open interface,suspended before relay-operating and short-circuit with COM after COM1-COM4:Channel common interface for relay NC1-NC4:Normally closed interface,short-circuit with COM before relay-operating and suspended after