How do I choose a power supply?
Power supplies go by a lot of different names, you can call them Wall Warts, AC Adapters, Plugpacks, or AC/DC Converters, whatever takes your fancy. Below are my three generalised golden rules for selecting a power supply for any maker electrical project. Your Power Supply Voltage Output must be the same as your Hardware Demands.
How many units can a WCS power supply power?
Power supplies in the WCS Series offer a variety of configurations for powering up to four outdoor units from a single power source. The power supplies provide 24 VAC output for 1–4 units, depending on the model selected. To compensate for voltage losses over long wire runs, 28 VAC outputs are available on all models.
How many volts does a power supply provide?
The power supplies provide 24 VAC output for 1–4 units, depending on the model selected. To compensate for voltage losses over long wire runs, 28 VAC outputs are available on all models. The input voltage of all models is also selectable.
How much power should a power supply maintain?
The power supply should maintain output regulation per Section 3.2.1 despite a loss of input power at the low-end nominal range—115 VAC / 47 Hz or 230 VAC / 47 Hz—at maximum continuous output load as applicable for a minimum of 17 ms. 3.3.
What is the correct input range for a power supply?
The correct input range for use in a given environment may be either switch-selectable or auto-ranging. The power supply shall automatically recover from AC power loss. The power supply must be able to start up under peak loading at 90 VAC.
What is a full rated power supply?
The power supply shall be capable of supplying full-rated output power over two input voltage ranges rated 100-127 VAC and 200-240 VAC RMS nominal. The correct input range for use in a given environment may be either switch-selectable or auto-ranging. The power supply shall automatically recover from AC power loss.
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