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SolPad 32 Relay 500HD-W32-4G Load Controller

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SolPad 32 Relay 500HD-W32-4G Load Controller
The SolPad Load Controller works seamlessly with the SolPad Energy Manager controlling loads to maximize stored energy and minimize utility and demand charges.

The SolPad Load Controller contains embedded software that allows it to run with or without an internet connection. The software manages the loads based on priority and kW set points, which are programmed at the time of installation. The software is accessible locally through the local Wi-Fi or through direct ethernet cable, as well as with optional 4G (depending on availability). This software also provides the instantaneous status on what is being controlled, as well as historical data.

Total Home Backup
• Eliminates need for a sub-panel
• No main panel change out
• Installs next to main load center
• 50% faster installation
• Available for new construction
• Built in Wi-Fi & LTE for remote management

Smart Load Control
• Maximize battery hours during critical times
• Automatically shuts down loads
• Puts your storage system on auto pilot
• Helps prevent excess generator use
• Can adapt to utility rate changes

32 Relay Characteristics
• (26) x 20-amp SPDT @ 240 vac• (4) 30-amp DPDT @ 240vac
• (2) 50-amp DPDT @ 240vac
• Supply Power: 4 amps @ 120 vac
• Relative humidity: 10% to 90% (operation), 5% to 95% (storage)
• Enclosure: NEMA 4R
• Network options: Ethernet, Wi-Fi, Cellular, Zigbee, PCI Express, USB, Serial

Environmental and Reliability
• MTTF: > 200,000 hours
• Operational Temp Commercial: O° to 70° C
• Storage Temperature: -40° to 70° C
• Relative Humidity: 10% to 90% (operation), 5% to 95% (storage)
• RAM: 1 GB, DDRL3L-1066
• Storage: eMMC flash 16 GB, Micro-SD 16GB


  • Manufacturer: SolPad
  • Model: 500HD-W32-4G
  • Length [mm (in)]: 19.65 in
  • Width [mm (in)]: 15.74 in
  • Depth [mm (in)]: 8.36 in
  • Weight [kg (lb)]: 44 lbs
  • Wormanship Warranty Period [Years]: 5

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