1-1546306-4 is a double row barrier strip terminal block designed for secure wire-to-wire or wire-to-board connections. This panel mount terminal block features a 0.374" centerline spacing, supports 2-30 circuits, and is rated for a maximum current of 20A and maximum voltage of 300V. It accepts wire sizes ranging from 12-22 AWG and is molded to length for precise fit. Common applications include machine controls, power supplies, test and measurement equipment, automation systems, and HVAC controls where reliable electrical connections are required.