Strain relief housing WINSTA ® MINI 4-pole The strain relief housing from the WINSTA ® MINI product line is the best solution for straightforward electrical installation. An extensive range of accessories rounds out the WINSTA® product line from WAGO. Due to its particularly minimal dimensions, our WINSTA ® MINI Pluggable Connection System with Push-in CAGE CLAMP® spring pressure connection technology is specifically suitable in very restricted spaces, i.e., for connections when very little room is available. The strip length is 45 mm. Push-in CAGE CLAMP® spring pressure connection technology – pluggable installation instead of laborious screw connections! The WINSTA® Pluggable Connection System is ideally tailored to the strict requirements of building installation. It makes electrical installation pluggable, and consequently faster, even more reliable, and error-free. Use of this pre-assembled system reduces assembly times and installation errors at the construction site. Take advantage of the pluggable version of our maintenance-free spring pressure connection technology too! Plan your installation with with protection against mismating from WAGO. consistent IP40 protection quick replacement of defective units during ongoing operation