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The Si14HyATPC1-50V-20A is a single, microprocessor based, Hybrid, Adjustable Ramp-Time, Power-Controller board (DC dimmer) that uses 20kHz pulse-width modulation (PWM) to efficiently control the power flow (or DC load-current) to an inductive load, from 0 to 1000W in 8.33W steps. The load-current build-up/decay time is adjustable (using the Ramp-Time input) from 100ms to 25.5s in 100ms steps. An optional 2 line by 20 characters long LCD (with HITACHI HD44780 Interface Standard) is used for Set-PWM Measured-PWM and Ram-Time data display.
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