Cutler‑Hammer S801T18N35 is a 180 A, three‑phase soft starter (S801 series) with 24 V DC power and 200–600 VAC operating voltage. Common failure points for this model include the solid‑state overload relay, the internal MOSFET array, and the 24 V DC supply circuit; overheating or moisture ingress can cause tripping of the built‑in protection relays. First‑check diagnostics: verify that the 24 V DC power rail is within spec and that the AC input voltage is stable; inspect the starter enclosure for signs of condensation or corrosion on contacts; review any error codes displayed on the LCD (e.g., “OL” for overload, “DC” for low supply).[oss-gpt-20b] |
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145 Rockwell Place Ct
Tobaccoville, NC 27050
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Industrial Electronic Repair
931-E S. Main St #204
Kernersville, NC 27284
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