HY-D2-165/40-11CU Centrifugal Switch/Relay Replacement, 115V AC 40A, Copper Contacts, D2 Series, Replaces OE# HY-D2-165/40-11, Verify Terminal/Pin Layout

HY-D2-165/40-11 Replacement Centrifugal Switch / Power RelayThis listing is for a replacement electrical switch component identified by part number HY-D2-165/40-11. Applications vary by equipment and installation, so please confirm your match using the part number, terminal layout, and your equipment manual before ordering.Key SpecificationsPart Number: HY-D2-165/40-11Type: Electronic centrifugal switch (often searched as "relay")Rated Voltage/Current: up to 115V AC / 40A (verify your original rating)Contact: CU copper contact construction (verify by your original part)Form Factor: D2-series compact style for control box/panel mounting (match mounting to your original)What It Helps WithRestores switching function when the original switch is worn, intermittent, or physically damagedSupports stable conductivity when installed with clean, tight terminalsCommon Symptoms When a Switch Is FailingIntermittent power/switching behaviorOverheating at terminals due to loose or oxidized connectionsEquipment may not start or may run inconsistently (application dependent)Installation NotesDisconnect power at the source before servicing.Label wires, compare terminal/pin layout, and replace one-to-one.After installation, verify insulation/clearance and test under load.Fitment reminder: If you cannot confirm compatibility by part number and terminal layout, do not install. Use the equipment manual or a qualified technician to verify the correct part.

• Rated up to 115V AC / 40A (confirm against your original); electronic centrifugal switch commonly searched as a power relay; CU copper contacts for stable conductivity; D2-series compact form factor for control box/panel use; replaces OE# HY-D2-165/40-11.
• Install/replace: disconnect power at the source, label wires, compare terminal/pin layout + mounting to your original, then swap one-to-one; tighten terminals, keep wiring insulated/secured, and test under load. Common install location: inside an electrical control enclosure/panel where the original HY-D2-165/40-11 is mounted. Note: confirm fitment by part number and equipment manual before purchase