Phoenix contact rpi bc raspberry pi din rail enclosure phoenix contact 2202994 the phoenix contact rpi bc raspberry pi din rail enclosure system enables you to easily mount a raspberry pi computer on a din rail in a neat and professional enclosure a range of accessories are available separately enabling you to customise the enclosure to your requirementsthis accessory is a perforated printed circuit board with gpio connection and includes ptsm terminal blocks phoenix contact 2202994 rpi b