The Marathon/Kulka 410-GP-01 is a double row terminal block suitable for a wide range of electrical applications. Its open-back design requires an insulator strip for voltage rating compliance. Constructed with phenolic base and plated brass terminals, this terminal block offers reliable connectivity. It supports 1 to 23 poles with 1/4" centers and accommodates wire sizes from #18 to #20 AWG. Hardware options like line-to-line jumpers, feed-thru solder connections, and printed circuit pins are available to customize the block for specific needs. Consult factory for suitability with greater currents.