BESANTEK BST-3PT5 PHASE SEQUENCE INDICATOR
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This device verifies 3-phase system presence and rotation without batteries, using a liquid crystal display. It operates from 40Vac to 500Vac and has a rugged, fused design.
- The description claims the device does not require batteries.
- The description claims the device can indicate phase presence from 40Vac to 500Vac.
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