CZH-Labs 24V Passive SPST-NO 30Amp Power Relay Module Board.
Passive 1 Channel SPST-NO 30 Amp Power Relay Module. Part Number: MD-D1012/24V
The item no paper instructions, please download the PDF file, and before
buying please read the file: 
amazon.com/images/I/A1yzdGSnKLL.pdf This item has been assembled, and
electrical test passed. TE T9AS1D12-24 30Amp power relay. High quality
terminal block connectors (output is real 30Amp high power terminal block).
LED indicator for each relay channel. FR-4 Fiber glass PCB (Double Layer).
Size: 24mm x 72.5mm x 47.35mm. Relay characteristic: Rated Load (Resistive
load): 30A at 250VAC, 20A at 28VDC. Coil action voltage: DC 19~29V,
recommended DC 24V. Coil action current: 40mA, at DC24V. Terminal block
characteristic: Input terminal: Wire range 26-12AWG Mechanical Torque
0.4Nm(3.5Lb-In.) Strip length 7mm Dimensions Pitch 5.0mm(.197") Screws M2.5
Rated current 16 Amp Output terminal: Wire range 26-10AWG Mechanical Torque
0.5Nm(4.4Lb-In.) Strip length 8mm Dimensions Pitch 7.62mm(.3") Screws M3 Rated
current: 30 Amp
 
Product Features
  

         
Passive 1 Channel SPST-NO 30 Amp Power Relay Module.
         
Part Number: MD-D1012/24V
         
TE T9AS1D12-24 30Amp power relay.
         
FR-4 Fiber glass PCB (Double Layer).
         
High quality terminal block connectors (output is real 30Amp high power terminal block).