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Optrel 5003.500 - Repair kit for Sphere series and Vegaview 2.5 helmets
The genuine Optrel 5003.500 repair kit is a key service pack designed to restore full precision and function to your professional welding helmet. It contains the adjustment and protective parts that wear most often, so you can replace them quickly yourself without sending the helmet in for service. By fitting original components, you keep the factory ergonomics, reliability and sealing, which are the basis of efficient and safe work at any welding station.
Key features
Economical Repairability
In line with the Optrel philosophy
Restored Adjustment Precision
Full control over the settings again
Original Spare Parts
Guaranteed quality and fit
Technology Details
Potentiometer Knob, Precise Shade Control
The external potentiometer knob is the main control that lets the welder adjust the shade level (DIN) smoothly and instantly to suit the process and the welding current. Its ergonomic shape is designed to be used even with welding gloves on. Over time and with heavy use, the mechanism can wear, losing precision and the noticeable "click" when you change the setting. Replacing it with a new original part restores factory accuracy and positive adjustment. This part ensures that eye protection is set precisely for the working conditions, which directly affects weld quality and visual comfort.
Sensitivity Knob, Reliable Arc Detection
The sensitivity knob, located inside the ADF cassette, lets you calibrate precisely how the filter reacts to the light of the welding arc. The correct setting is critical: it prevents unwanted darkening from external light sources or other welders nearby, while still giving an instant response when you strike your own arc. A damaged or worn knob makes precise calibration impossible, which can lead to delayed darkening or false triggering. A new part restores the full adjustment range and dependable operation of the auto-darkening function. It is a basic investment in the reliability of the protection system, removing the risk of arc flash to the eyes and keeping the filter working correctly in typical workshop conditions.
Battery Cover ("Satellite"), Protecting the Core of the System
The battery compartment cover, known as the "satellite", is much more than a blanking cap. It is a precisely fitted part that provides a tight seal, protecting the sensitive electronics of the auto-darkening cassette and the power source against dust, spatter and moisture. A missing or damaged cover is a direct threat to the whole ADF module and can lead to corroded contacts, short circuits and permanent damage. Fitting a new original cover restores the full protective barrier. It is a key investment in the long service life and trouble-free operation of the most expensive part of the helmet, the ADF cassette.
Technical Specifications: Helmet
| Feature | Value |
|---|---|
| Catalogue number | 5003.500 |
| Compatibility | Optrel Sphere series helmets (e684, e680, e670, e650) and the Vegaview 2.5 helmet |
| Material | High-quality plastic that stands up to workshop conditions |
| Manufacturer | Optrel (Switzerland) |
What's in the Kit?
- Potentiometer knob (grey) - 1 pc.
- Sensitivity adjustment knob (Sensitivity) - 1 pc.
- Battery compartment cover ("satellite") - 1 pc.
Main Applications
- Routine service and maintenance of Optrel welding helmets
- Restoring full function and precision of the adjustment controls
- Protecting the electronics and battery of the auto-darkening cassette (ADF)
About Optrel
Optrel is a Swiss innovation leader in welding protection. For decades the brand has stood for uncompromising quality, pioneering technology and the highest level of safety. With original Optrel spare parts, you can be sure your professional equipment keeps its factory precision, reliability and full compatibility.
