Electrical Parts

Miltec Voltage Sensor

The lamp voltage sensing board accepts a 0-30 vac signal. The comparator circuit is User settable, which allows you use any size lamp. The board has an integrated “Lamp Ready” relay which triggers when the lamp voltage matches the User setting, and also has an integrated “Lamp Fail” relay which triggers when the lamp is in an “open circuit” state (lamp out). The board requires a 120vac source and is designed to operate with a 100:1 potential transformer (010-00260).

Additional Information

The “lamp ready” signal is typically used to show the status of the lamp voltage when it reaches its nominal operating voltage. Conversely, when a lamp fails to conduct current (open circuit), due to the lamp being too hot to start or actually being burned out, the “lamp fail” circuit triggers, which can then be integrated to a warning light, lamp contactor disabling or PLC software logic. This device is perfect for detecting lamp over-cooling, as excessive air flow is directly related to decreased lamp voltage.

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