Entrelec ZK4 Series Blue Standard Din Rail Terminal, 4mm², Single-Level, Spring Clamp Termination

ZK4 PI-Spring Feed-Through Terminal Blocks

ZK4 PI-Spring feed-through Terminal Blocks combine high performance with compact dimensions. The terminals are also the best for marking, with an up-front flat marker zone. This feature lets you mark up to eight digits or increase the font size.

SNK Series PI-Spring Terminal Blocks

PI-Spring technology provides a Smart Connection and the benefits of 2 technologies in 1 connection:

1. 50% faster connection time with Push-In mode (direct insertion - for stranded wire with ferrule or for solid wire, use screwdriver to remove wire).
2. Reduced effort and conductor preparation time with Spring-Mode (use screwdriver to insert and remove non-prepared stranded wires).