Delta AU Series User Manual

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4.2 AC grid connection
M series TL AU inverters are designed for single phase grid. Nominal voltage is 230 Vac,
frequency is 50 Hz. Other technical requests should comply with the requirement of the local
public grid.
4.3 External DC switch
Although DC switch may be integrated in product already, external DC switches fulfill latest AS
60947.3 have to be installed out of the inverter in way per AS/NZS 5033. External DC switch
capacity shall be no less than 20 A per string.

Delta AU Series Specifications

General

Series	AU Series
Category	Inverter
Cooling Method	Forced Air Cooling
Storage Temperature	-20°C to +60°C
Input Voltage	200-240V
Control Method	V/F Control, Sensorless Vector Control
Protection Features	Overvoltage, Undervoltage, Overcurrent, Short Circuit
Communication Interface	RS485, Modbus
Operating Temperature	-10°C to +50°C
Humidity	5% to 95% RH (Non-condensing)
Altitude	Up to 1000m