User's Manual

PL-550 14
INSTALLATION _
INTERCONNECTION
TERMINAL BLOCK LAYOUT
All field wiring must have insulation suitable for at least 250 V.
– mA wiring, 14 – 20 AWG, copper wire, shielded
– RS-485, 14 – 20 AWG, copper wire, shielded
– Line, 12 – 14 AWG, copper wire
– Recommended torque on clamping screws, 0.5 – 0.6 Nm