Marathon/Kulka 603 GP series terminal blocks are robust, double-row designs suitable for a variety of industrial applications requiring high voltage insulation. These terminal blocks are rated for 600 Volts AC/DC and feature an open-back design, requiring an insulator strip for optimal voltage ratings. They accommodate a wide wire range (AWG #10-#16) and offer options for increased current handling with listed wire lugs. Available in configurations from 1 to 12 poles, these blocks provide flexibility in circuit design and are ideal for power distribution, control panels, and automation systems. Hardware options and quick connect accessories are available to further customize the installation.