Main rotary isolator, padlockable, on the terminal cover beside the mains inlet: 230 V is switched before it enters the main enclosure
Inside on two rails: 8-channel relay board, RS-485 isolator, 24 V distribution; AC and DC MCBs, fuses, earth bar. Right side wall: slim SMPS and AO expansion. On the door below the HMI: SKW Energy OS, Ethernet switch, RS-485 adapter
Wiring: ferruled, duct-routed runs on the plate, one wire per terminal on the door into a slim door duct, one clamped bundle across the hinge axis. 230 V never crosses the hinge
Bottom terminal plate zone 1: pluggable blocks P1 mains, P2 AHU starter, earth
Bottom terminal plate zone 2: P3 AHU feedback, P4 fire, P9 BMS, P10 analog in, P5 EC fans, P6 CHW valve, P7 FA damper, P8 RTD (3-wire), plus RJ45
Terminal cover: separate hood bolted under the panel, removable front, glands in its base. Switch it off to see the blocks
Overall 260 × 250 × 139 mm (0.85 × 0.82 × 0.46 ft) with the HMI bezel. Nothing on the sides or top Terminal cover accessory adds 50 mm below: 300 mm (0.98 ft) overall height
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