Automation Systems Interconnect, ASI offers a broad range of multiple level terminal blocks for high-density wiring and for adding components into a circuit. The terminal blocks are available in a double level, a triple level, a multiple level terminal block for sensors, a multiple level terminal block for actuators, multi-level with circuit boards and multiple level with spring clamp connections. Other multiple level terminal blocks are also available with diodes, resistors and varistors between the upper and the lower wiring levels. Multiple level terminal blocks can reduce the wiring space in a cabinet or piece of equipment by over 50 percent.