Insulated Adaptors Type 478/1
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
Flameproof Exd 
II 2 GD.
Certificate No. SIRA 06 ATEX 1240U
Suitable for use in Zone 1, Zone 2 and in Gas Groups IIA, IIB and IIC.
Construction and Test Standards: IEC/EN 60079-0 and IEC/EN 60079-1.
Operating Temperature Range: -60°C to +80°C.
Alternative certification options available.
| 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 |
| All dimensions in millimetres. | |||||
Ordering Information
Adaptor Type/Size/Male Thread/Female Thread
e.g. 478/1/C/M32/M32
