Description

The Legrand 037255 is a Viking 3 function terminal block in grey providing two connections in a 2-storey, 4-wire configuration with an integrated diode, using spring (screwless) clamp connection technology for 4mm² conductors at a 5mm pitch. The spring connection system allows rapid, tool-free insertion of conductors with or without ferrules, making it ideal for high-volume wiring applications in production panel building where speed and consistency are priorities. The integral diode provides circuit protection within the 2-level terminal arrangement.

Compatible with the full Viking 3 system including DIN rail mounting, marking zones, securing pin alignment, and bridging comb zones, the 037255 is designed for control panels where both spring connections and diode protection are specified. It is widely used in automated panel assembly and PLC output circuits requiring diode protection in a compact, spring-clamp terminal block format.