Permitted grid configurations

The inverter approved for operation in the following utility grids:

• STP 13-US-50: 208 V / 120 V WYE

Permitted grid configuration for STP 13-US-50 (208 V)

• STP 20-US-50 / STP 25-US-50 / STP 30-US-50: 480 V / 277 V WYE

Permitted grid configuration for STP 20-US-50 / STP 25-US-50 / STP 30-US-50