be mounted on the printed circuit board at the factory.
Three‑step Voltage Reduction: Resistors for a maximum of three pre-selected steps, will include the
internally-mounted resistors mentioned above, plus an additional externally-mounted resistor sized by the
factory.
Instantaneous (non‑time delayed) Voltage Reduction: Circuitry is added at the factory.
50 Hz Operating Frequency Option
This option is available for use in countries outside the continental United States and Canada. The unit will
be shipped with the standard 60 Hz operating frequency unless otherwise specified.
Low Voltage Protection: Outputs are blocked from operating at input voltages below approximately 60 Vac.
A proper raise output will be obtained down to this threshold.
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