A relay is an electrical control device, an electrical appliance that causes a predetermined step change in the controlled quantity in an electrical output circuit when the change in the input quantity (excitation) meets the specified requirements. It has an interactive relationship between the control system (also known as input circuit) and the controlled system (also known as output circuit). Usually used in automated control circuits, it is actually a kind of "automatic switch" to control the operation of high current with small current. Therefore, it plays the role of automatic adjustment, safety protection, conversion circuit, etc. in the circuit.
Trigger mode: low level trigger
Trigger current:>2mA
Supply voltage: 5V/12V/24V
Static current:0mA
Maximum working current:1 way 12.5mA/2 way 20.5mA
Load voltage:5-220VDC
Load current 5A
Module life:10 million times switch
Maximum frequency:≤5KHz
Product weight:1 way 29.4g/2 way 53.2g
Product size:1 way 72*27*25mm/2 way 72*39*25mm
Positioning hole:1 way 24.5*69.5mm/2 way 36.5*69.5mm
Trigger Voltage.
5V low level trigger module: 0-1.5VDC relay ON, 3-5VDC relay OFF.
12v low level trigger module: 0-4.5VDC relay ON, 5.5-12VDC relay OFF.
24v low level trigger module:0-8.5VDC relay ON, 10-24VDC relay OFF.
DC-:Negative supply voltage terminal
CH1: First trigger signal terminal
CH2: Second trigger signal terminal
CH3: Third trigger signal terminal
CH4: Fourth trigger signal terminal
Note: CH terminal is the module trigger terminal, when there is a trigger signal, the output switch (A, B) of the solid state relay will be closed, and the load will be on.
1、Power supply and load should be used within the parameter range, please do not use beyond the range.
2, the rated load and life is a reference value, according to different environmental factors, the nature of the load and the type of large differences, so it is best to confirm the actual or simulated actual use.
3, the load capacity of the module by the ambient temperature and its own temperature rise is greatly affected by the actual working environment conditions need to be based on the use of air convection heat dissipation can be required to be installed in a good convection environment.
4、Electrical durability at high temperatures: When the module is used at high temperatures, the electrical durability will be lower than that at normal temperatures, so please check in the actual use.
5, the solid state relay module is divided into AC and DC, this is a DC solid state relay, can not control AC loads, only DC loads.
6, this solid state relay with a multimeter to measure the output side of the resistance, the pen exchange measurement side of the resistance is large, one side is small, because there is a diode in the internal protection role, when the measurement of resistance with a multimeter, the measurement of the diode's forward resistance, this is a normal phenomenon. Solid state relay is different from the electromagnetic relay, there is no contact switch, is the use of electronic components of the switching function of the design, the measurement of resistance is not accurate, in the application of the circuit is equivalent to the role of a switch; with a multimeter to measure the voltage on both sides of the solid state relay is not the same as the same as the conductive voltage drop.
7, this solid state relay module output has polarity, the output should be divided into directions, can not be connected to the opposite, otherwise it is easy to burn the relay, the
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