Materials
| Body: |
Porcelain C 111, unglazed |
| Contacts: |
Nickel-plated brass |
| Threaded shell: |
Zinc-plated steel |
| Plastic cap: |
Polyamide |
| Mounting clamp: |
Zinc-plated steel |
| Screws: |
Zinc-plated steel |
| Miscellaneous: |
One piece ceramic lampholder for snap-in mounting Center contact with compression spring Plastic snap-in cap cat.no. 0451 mounted with nipple M10x1 |
|
 |
| Cat.No. 4278-000 without snap-in cap |
| Cat.No. 4278-001 with snap-in cap |
|