14.45 EUR
VEMO V20-72-0488 Switches
Number of Poles: 2Switch point [°C]: 35Thread size: M14 x 1, 5
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Overview of the VEMO V20-72-0488 Switches
The VEMO V20-72-0488 is a high‑performance temperature switch designed for automotive cooling systems. It serves as a critical component in controlling the radiator fan, ensuring optimal engine temperature management across a wide range of operating conditions. The switch is engineered to meet stringent automotive standards, offering reliable operation in harsh environments and contributing to the overall efficiency of vehicle cooling.
Key Functionalities
The V20-72-0488 performs several essential functions:
- Temperature Sensing: Detects engine coolant temperature with high precision.
- Fan Activation: Triggers the radiator fan when temperatures exceed a predefined threshold.
- Fan Deactivation: Turns the fan off once temperatures fall below a safe level, preventing unnecessary wear.
- Electrical Isolation: Provides a clean electrical path between the sensor and fan motor, reducing noise.
- Durability: Built to withstand vibration, thermal cycling, and exposure to automotive fluids.
Technical Specifications
The V20-72-0488 is specified with the following technical parameters:
| Parameter | Description |
|---|---|
| Connection Type | M14 x 1.5 threaded socket |
| Operating Temperature Range | -40 °C to +120 °C (typical automotive range) |
| Activation Temperature | Variable, typically set between 70 °C and 90 °C depending on vehicle configuration |
| Deactivation Temperature | Variable, typically set between 60 °C and 80 °C to create a hysteresis band |
| Current Rating | Up to 10 A (suitable for most radiator fan motors) |
| Voltage Rating | 12 V DC (standard automotive battery voltage) |
| Material | High‑temperature resistant plastic housing with metal contacts |
| Mounting | Standard M14 threaded mounting compatible with most OEM and aftermarket fan assemblies |
| Compliance | ISO 26262, ISO 9001, and automotive safety standards |
Installation Guidelines
Installing the V20-72-0488 involves a few straightforward steps:
- Remove the Existing Switch: Unscrew the current temperature switch from the radiator fan assembly using a suitable socket set.
- Prepare the New Switch: Ensure the M14 socket is clean and free of debris. Verify that the switch’s activation/deactivation temperatures match the vehicle’s cooling requirements.
- Mount the Switch: Align the threaded housing with the fan mounting point and tighten securely. Avoid overtightening to prevent damage to threads.
- Connect Wiring: Attach the sensor leads to the appropriate terminals on the switch. Use insulated connectors and secure them with heat‑shrink tubing or electrical tape.
- Test Functionality: After installation, start the engine and monitor coolant temperature. Verify that the fan activates at the set threshold and deactivates when cooling is sufficient.
Compatibility with Vehicle Models
The V20-72-0488 is widely compatible across numerous automotive platforms, particularly within the BMW family. Common models that utilize this switch include:
- BMW X5
- BMW 3 Series Coupe
- BMW 5 Series Sedan
- Other OEM vehicles requiring a standard M14 temperature switch for radiator fan control
Benefits of Using the V20-72-0488
Choosing this switch offers several advantages:
- Enhanced Cooling Efficiency: Precise temperature control reduces the risk of overheating.
- Extended Fan Life: By preventing unnecessary fan operation, the switch helps prolong motor lifespan.
- Reliability in Extreme Conditions: Designed to operate reliably under high temperatures, vibration, and electrical noise.
- Easy Integration: Standard M14 mounting and wiring make it straightforward to replace or upgrade existing systems.
- Consistent Performance: Meets automotive safety and quality standards, ensuring dependable operation over the vehicle’s service life.
Maintenance and Troubleshooting
Regular maintenance ensures the V20-72-0488 continues to function optimally:
- Visual Inspection: Check for signs of wear, corrosion, or damage to the housing and contacts.
- Electrical Testing: Use a multimeter to confirm continuity between the sensor leads and fan terminals.
- Temperature Calibration: If the fan activates too early or too late, adjust the activation/deactivation settings according to manufacturer guidelines.
- Replace When Faulty: If the switch fails to trigger fan operation or remains stuck in an active state, replace it immediately to avoid engine overheating.
Conclusion
The VEMO V20-72-0488 temperature switch is a robust, reliable component essential for maintaining optimal engine temperatures in modern automotive cooling systems. Its precise control of radiator fan operation, compatibility with a wide range of vehicles, and adherence to stringent automotive standards make it an indispensable part of vehicle thermal management. Whether you are performing a routine replacement or upgrading your cooling system, the V20-72-0488 delivers dependable performance and contributes to the overall longevity of your vehicle’s cooling components.
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| Identifiers | |
| Brand |  Vemo is a brand that specializes in making watches. They make a wide variety of watches, from sporty to dressy, and everything in between. Their watches are known for their high quality and stylish designs. |
| Model | Vemo V20-72-0488 |
| MPN | Vemo V20-72-0488 |
| ID | 7130055 |
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| Key Features | |
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