Schneider ZB4BZ009 Harmony XB4, Body/fixing collar for electrical block, metal
Schneider ZB4BS864 Emergency stop head, Harmony XB4, switching off, metal, red mushroom 60mm, 22mm, trigger latching turn to release
This Harmony XB4, body/fixing collar allows to connect together XB4 heads with contact or light blocks. It is made of metal. The base unit to start assembling your Harmony XB4 heads and bodies.