Model S8VM has an under-voltage alarm that signals when voltage falls and the cause to allow operators to quickly troubleshoot on-site. The unit uses combinations of LEDs to indicate whether voltage loss is due to a momentary power interruption; an overload; or a drop as the power supply itself loses voltage due to aging. It is available in ratings from 15 to 150 W and voltage capacities from 5 to 24 V. It can operate at a 100 percent load rate at a temperature of 122°F (50°C).
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