sensors, power supply systems or units, contactors, distribution blocks, filter fans, fiber optics, electromagnetic interference (emi) filters, electromagnetic interference (emi) and radio frequency interference (rfi) filters, radio frequency interference (rfi) filters, interface modules, power supplies, programable logic controllers (plc) interfaces, relays, current sensors, switches, digital switches, timers, control transformers available from r. j. gross automation based in new berlin, wi. click the links below to visit our website or contact us via our profile page.