The buss board provide a total of four DB25 connectors(1 Female and 3 Male), with all 25 pins of each connector wired together 1:1 as a buss, all corresponding pins are connected: pin 1 to pin 1, pin 2 to pin 2, etc.
Dinkle high quality fireproof nylon material DIN rail mount housing(not China low quality non-fireproof housing), can support width 35mm, 32mm or 15mm rail.
FR-4 fiber glass PCB, dual copper layers.
Rated voltage: 60V, rated current: 1Amp / per pin.
Operating Temperature: -20C to 50C.