hollow space floor box consisting of a Sendzimir hot-dip galvanized sheet steel box with all-round bendable side walls including grounding clamp for a subsonic noise free and height independent assembly. Usable as pull- and installation box, with one opening for insertion of a shuttering unit that will be replaced with a quadrangular plastic assembly unit during final assembly.
Assembly Instruction
Continously hot galvanized (Sendzimir process) (DIN EN 10346)
| height | HminMinimum installation height | width | width | length 1 | length 2 | E fitting dimension | mounting box Maximum number of installable device casings. | weight | |||
|---|---|---|---|---|---|---|---|---|---|---|---|
| UBDHB250 28-185V | 31 mm | 67 mm | 385 mm | 400 mm | 385 mm | 400 mm | 187 x 262 mm | double | 3,5 kg | ||
| UBDHB250 38-185V | 41 mm | 77 mm | 385 mm | 400 mm | 385 mm | 400 mm | 187 x 262 mm | double | 3,6 kg | ||
| UBDHB250 48-185V | 51 mm | 87 mm | 385 mm | 400 mm | 385 mm | 400 mm | 187 x 262 mm | double | 3,7 kg |
Underfloor systems 
Floor trunking systems 
Hollow space floor box - Floor trunking systems 
Hollow space floor box, quadrangular