Insulated Adaptors Type 478
Application
Outdoor or Indoor use.
Provides electrical insulation between a Cable Gland or a conduit fitting and an electrical Enclosure e.g. to provide a means of isolating armour/braid on signal/instrument cable.
Materials & Finishes
Insulated portion manufactured from glass filled nylon.
Female insert and entry component are manufactured as standard in Brass.
Technical Data
478 Certification and Approval
Certificate No. SIRA 06 ATEX 1240U.
Exd IIC
Suitable for use in Zone 1 and Zone 2.
Suitable for use in Gas Groups IIA, IIB and IIC.
| INSULATED ADAPTOR SELECTION TABLE | |||||
|---|---|---|---|---|---|
| Size Ref. |
Male Thread |
Female Thread |
‘Z’ Bore |
Hexagonal Dimensions |
|
| Metric | Metric | Across Flats |
Across Corners |
||
| A | M20 | M20 | 14.3 | 35.0 | 40.0 |
| B | M25 | M25 | 19.3 | 41.0 | 47.0 |
| C | M32 | M32 | 25.8 | 49.0 | 54.0 |
| C2 | M40 | M40 | 33.0 | 55.0 | 63.5 |
| D | M50 | M50 | 43.0 | 70.0 | 80.5 |
| E | M63 | M63 | 54.0 | 80.0 | 92.4 |
| F | M75 | M75 | 67.0 | 90.0 | 103.5 |
Ordering Example
Insulated Adaptor/Size/Male Thread/Female Thread
e.g. 478/C/M32/M32
