Safety plug – rewireable, blue, 4 mm, insulated

The SFK 8500 S NI-AS-BLU is a 4 mm rewireable safety plug featuring nickel-plated contacts and durable blue insulation. Ideal for flexible wiring in test systems, it ensures secure, low-resistance connections with clear colour coding for easy identification. Straight lamella basket plug with inline socket and screw terminal for cables up to 2.5 mm². Compact 10 mm grid design with unassembled UL-listed sleeve. Evolved from the trusted SFK 40 S.