Pitch of tri barrier terminal block is 8.5 mm and these terminal blocks are available with 2 and 3 poles, current rating of terminal pins is 10 amps @ 230 volts and dielectric strength is 3kv between two nearest terminals, housing is molded in black color ABS plastic, terminal pins are made from brass (tin plated), screws and self lifting washers are made from mild steel or brass (nickle plated). For detail drawing of terminal block, please download PDF.
