TE Connectivity W3S-1939 DT Series 3-Pin J1939 Blue Locking Wedge
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| Product Type | Secondary Locking Wedge / Clip |
| Series | DT Series |
| Adapter Plug | DT06-3S (3 Pin Male/Female Connector) |
| Needle Count | 3 |
| Specs | 1939 (J1939 Standard) |
| Color | Blue |
| Material | Glass Fiber Reinforced PBT (Polybutylene Terephthalate) |
| Operating Temperature | -55°C to +125°C (-67°F to 257°F) |
| Compliance | RoHS Compliant |
| Manufacturer | TE Connectivity / DEUTSCH |
| Origin | USA |
| Installation | Insert into the internal plug |
| Dismantle Tool | DT-RT1 Pin Puller/Detaching Pliers |
Manufacturer No.
W3S-1939W3S-1939-P01214723 W 3 S-1939
Interchange No.
W3S-1939-P012W3P-193951-1939
Fitment Vehicles
DT06-3S ConnectorDT Series ConnectorJ1939 CAN Bus SystemConstruction EquipmentCommercial VehicleIndustrial Equipment
Electrical and Electronic System - Industrial Encyclopedia
The TE Connectivity W3S-1939 is a secondary locking wedge designed for DT series 3-way connectors, blue marking represents J1939 coding (Keyed 1939). Made of glass fiber reinforced PBT material, operating temperature from -55°C to 125°C, compliant with RoHS. Widely used in construction machinery, commercial vehicles and industrial equipment CAN bus connections, ensuring terminal alignment and reliable locking. Original part number W3S-1939, compatible with DT06-3S connector.