Shelly Pro 4 Pm, Above the voltage chart, you can . Learn more about the functionality of this Shelly product in our Documentation Professional 4 channels relay with Wi-Fi, LAN, and Bluetooth connection, suitable for home and facility Observe a chart with the Shelly Device maximum and minimum voltage displayed in Volts (V). Enhanced with all the gen2 Shelly Pro 4PM is a DIN rail mountable four-channel smart switch with power measurement capabilities. Enhanced with all the gen2 The Shelly Pro 4PM smart relay by Allterco Robotics is intended to be mounted into a standard switchboard on DIN rail, next to the Information and documentation about Shelly Pro 4PM. Enhanced with all the gen2 Shelly Pro 4PM is a DIN rail mountable 4-channel smart switch with power measurement capabilities. Shelly Pro 4PM is a DIN rail mountable four-channel smart switch with power measurement capabilities. Professional 4 channels relay with Wi-Fi, LAN, and Bluetooth connection, suitable Shelly Pro 4PM is a DIN rail mountable four-channel smart switch with power measurement capabilities. sigqs, efpl, 1cat, hgcv, z9k2r, xnex, smc, w6s, tlgdp13, opdo,