A precision spring component in power contactors that maintains electrical contact pressure and ensures reliable circuit connection.
| Parameter | Typical range | Notes & selection driver |
|---|---|---|
| Spring Rate | 10-50 N/mm | |
| Fatigue Life | > 1 million cycles | |
| Operating Force | 5-20 N | |
| Contact Pressure | 15-50 N/cm² | |
| Deflection Range | 2-8 mm | |
| Electrical Resistance | < 0.5 mΩ | |
| Operating Temperature | -40°C to 120°C |
Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.
This component is used in the following industrial products
An electromechanical switching assembly used to control high-power electrical circuits in industrial applications.
A critical electrical switching component within a thermal overload protector that makes or breaks the circuit to the compressor motor based on temperature conditions.
An electromechanical switch used to connect or disconnect capacitor banks in power factor correction systems.
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Manufacturer profiles associated with Contact Spring.
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Insufficient spring pressure causes high contact resistance, leading to overheating, voltage drop, contact welding, and premature failure due to arcing and oxidation.
Inspect during routine maintenance every 6-12 months or per manufacturer recommendations, checking for deformation, corrosion, loss of tension, and contact wear.
Yes, but must match original specifications for spring rate, material, and dimensions to maintain proper contact pressure and alignment within the assembly.
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