Grid: 0.1″ (2.54mm)
Thickness: 3.2mm
Hole diameter: about 1mm
Diameter of 4 large positioning holes: 4mm
Material: FR-4 (glass fiber)
All holes are plated through
Both sides are identical
Dimension: 40 x 60mm, 1.57″ x 2.36″
Hole(column x row): 20 x 14
8 Channel Active High Relay Module(24V) RM824
Transformer 220Vac to 12-0-12Vac (1A) 




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