Frequently asked questions
What is the height of the Isobar three phase B board range of extension boxes.
FA31969
30 September 2021
The height of the Isobar B board extension boxes is 270mm.Several extension boxes maybe stacked together if more space is required.
Some examples of extension boxes ar Top or bottom extension enclosures
| Switch disconnector | Description |
| SEA9BNEXN | Plain front cover for additional wiring space |
| SEA9BNEX034N | Mounting of DIN devices, overall door and cutout for 17 x 18mm poles |
| SEA9BNEXA14N | Single phase add on distribution board 14 way |
Please refer to catalogue for additional information and other options.