Curtis Industries' GFTSC-3 terminal blocks are robust connectors ideal for sub-chassis or thru-panel applications. Constructed with precision screw-machined brass inserts and a durable phenolic or thermoplastic base, these blocks provide a secure mechanical thread system and full terminal-to-ground clearance. Recognized under UL and CSA standards, they offer a broad wire range and are suitable for various industrial and commercial uses, including electronic and control systems. The closed-back design eliminates the need for additional insulation or mounting hardware.