Samsung Dryer belt switch (micro switch) 3405-001077

Genuine Samsung dryer broken-belt safety switch/micro switch.

Is This the Right Part?

Common Symptoms

• Dryer will not start because the control circuit detects a broken-belt condition.
• Dryer stops shortly after starting.
• Intermittent operation caused by a faulty or shorted belt switch.

Check Before Replacing

• Disconnect power before servicing.
• Inspect the drive belt for breakage or displacement before condemning the switch.
• Inspect the switch and its actuator for visible damage, misalignment, or signs of overheating.
• Verify the switch operation with an appropriate electrical test only if qualified to perform appliance electrical diagnostics.

Pro Tip

Part Details

Key Features

• Samsung manufacturer part number 3405-001077.
• Micro switch specification documented in Samsung service literature as 125 V, 15 A, 180 gf, 2-terminal.
• Genuine OEM replacement part.

Installation Notes

• Disconnect electrical power before installation.
• The repair requires access to the dryer’s belt and motor area; exact access steps vary by model.
• Follow the appliance-specific service documentation for wiring and switch orientation.

Verified Compatible Models

DV42H5000EW/A3, DV42H5000EW/AC, DV42H5000GW/A3, DV42H5200EP, DV42H5200EP/A3, DV42H5200EP/AC, DV42H5200EW/A3, DV42H5200EW/AC, DV42H5200GP, DV42H5200GP/A3, DV42H5200GW/A3, DV42H5400EF, DV42H5400EF/A3, DV42H5400GW, DV42H5400GW/A3, DV42H5600EP/A3, DV42H5600EP/AC, DV42H5600EW/A3, DV42H5600GW/A3, DV45H6300EG/A3-0000, DV45H6300EG/AC, DV45H7000EW/A2-00, DV45H7000EW/AC02, DV48J7700GW/A2-0000, DV50F9A6EVW/A2-01, DV50F9A8GVP/A2-0001, DV50F9A8GVP/A2-01, DV50K7500GV/A3, DV50K7500GV/A3-00, DV52J8060GW/A2-00, DV56H9000GW/A2-00, DV56H9100EG/A2-00, DV56H9100GW/A2-00, DV206LEW/XAC, DV210AEW/XAA-03, DV218AEW/XAA-00, DV220AEW/XAA-04, DV220AEW/XAC-0001, DV330AEB/XAA-0000, DV330AEB/XAA-03, DV330AEB/XAA-04, DV330AEW/XAA-03, DV331AER/XAA-03, DV331AGR/XAA-02, DV337AEL/XAA-00, DV337AGG/XAA-02, DV337AGR/XAA-00, DV337AGW/XAA-00, DV339AGW/XAA-02, DV350AER/XAC-0002, DV365GTBGSF/AC, DV405ETPASU/AA-00, DV405GTPAWR/AA-02, DV409AEW/XAA-00, DV409AGR/XAA-02, DV431AEP/XAC-0002, DV431AGW/XAA-02, DV435GTGJRA/A1-01, DV435GTGJWR/A1-01, DV448AEE/XAA-02, DV448AEW/XAA-02, DV448AGE/XAA-00, DV448AGP/XAA, DV448AGW/XAA-00, DV455EVGSWR/AA-00, DV457GVGSWR/AA-01, DV484ETHASU/A1-01, DV484ETHAWR/A1-0001, DV501AEW/XAA-00, DV520AEW/XAA-0002, DV520AGP/XAA-01, DV5451AEW/XAC-0002, DV5471AGP/XAA-04, DV306LGWXAA, DV5471AEW/XAA-00

Fitment reminder: Match the complete appliance model number, including suffix or revision where applicable, before ordering.