Fangpusun True Sine Wave Inverter/Stand Alone Solar Inverter
Identifying Models With Transfer Switches
1) Check the UPC code on the product box. Units with transfer switches have UPC codes that end with these five digits:
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2) If there is an AC outlet on the front of the unit, it is not equipped with an internal transfer switch.
3) For Prosine Inverters with hardwire connections, you can identify whether your unit has an internal transfer switch by removing the cover on the AC wiring compartment and checking the label above the terminal block inside. If your unit has a label similar to one of these two labels, it has an internal transfer switch: Units with this label do not have an internal transfer switch:
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Type:20000 watt pure sine wave inverter/luminous solar off grid inverter/off grid solar inverter 5kw/
off grid pv inverter
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