What is the height of the Isobar three phase B board range of extension boxes.

The height of the Isobar B board extension boxes is 270mm.

Several extension boxes maybe stacked together if more space is required.
Some examples are below:

Part Reference	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

They can be mounted either top or bottom of the distribution boards.

Please refer to catalogue for additional information and other options.

Released for:Schneider Electric UK