For Cover Base 150-200-300-400-500-600 - Assembly with winged locking M0 490 0007

| 01 | Galvanization (Sendzimir method) - UNI EN 10346 | |
| 49 | Galvanised steel with IV S Fe/Zn 12 treatment - UNI 7687 |
UL - file E471266
Attention: for ZT and ZM material sold/assembled in U.S.A. and Canada, please require UL mark
The cover clamp allows a good seal and creates a strong system body. The outside screw (1) is used to turn and clamp the wing (2), which is inserted in the cover (3) avoiding dangerous roughness.