Upgrade to August, 21, 2018, 2 0 2 DPDT signal relay module version. takamisawa ry24w-K High Quality Relay Switch Contact Material - Gold Overlay Silver - Palladium Darlington transistor circuits drive relay coil, LED indicators for each relay channel. High quality terminal block screws FR-4 Fiberglass PCB, Dual Copper Layer Taiwan Dinkle Fireproof Nylon material DIN Rail (Non-Chinese Low Quality Carrier) carrier can support rails with width 1.4 / 1.3 / 0.6 inches (35 / 32 / 15 mm) and the carrier can be purchased for use with a mount away panel. Operating Voltage/Current (VCC): 2VDC / 40mAh at 16 8 31 (at 24VDC) Control Signal Voltage (IN-X): 0V - 0 5VDC (low level), non-working interruption 2. 5V - 24VDC (High Level), Relay Action Output of each switch (relay switch) Contact Rating: for AC, DC 120VAC / 0 5 Amps, 24 VDC / 1 0 Amps External Dimensions: L49 5mm x W87mm x H38 5mm PCB Dimensions: L47 35mm x W72 5mm x H14 in the USA. https://Image-NA PDF data sheet please download 1mm item without paper specifications, SSL-Image - Amazon COM / Image / I / 91snxaaoonl PDF