The B1P is a proportional, infinitely variable power controller capable of delivering 1-98% of the applied line voltage to inductive loads. This is accomplished by phase angle firing a TRIAC. The B1P is specifically designed to drive transformers, but will drive resistive loads too.
Unit of Measure
Items
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B1P-12-30 Series Single Phase Low Power TRIAC Transformer Controllers

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B1P-24-30 Series Single Phase Low Power TRIAC Transformer Controllers

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B1P-27-30 Series Single Phase Low Power TRIAC Transformer Controllers
Voltage Designations N/A 120 VAC 50/60 Hz N/A 240 VAC 50/60 Hz N/A 277 VAC 50/60 Hz
Load N/A 30 AMPS