OEM Overload Protection Manufacturer & Suppliers

Overload protection defends wiring against sustained excessive current draw (e.g., drawing 20A across a 13A or 16A rated circuit for minutes), which causes resistive heat, conductor insulation breakdown, and structural fires. It relies on a thermal or magnetic bi-metal breaker. In contrast, surge protection defends connected microchips against instantaneous microsecond voltage spikes (caused by lightning or grid switching) using Metal Oxide Varistors (MOVs) to shunt peak voltages harmlessly to ground. Premium Heikki power strips often combine both into a unified dual-stage architecture.

Thermal breakers utilize a bonded strip of two dissimilar metals with contrasting thermal expansion coefficients. When excessive sustained current flows through the strip, resistive I²R heat causes the metals to expand unevenly, bending the assembly until it trips a mechanical latch, snapping the main contacts open. A calibrated cool-down period is required before the user can depress the manual reset button, ensuring thermal equilibrium is restored before the circuit closes again.

Yes. Through our in-house R&D and testing laboratory, we calibrate thermal breakers for 10A (EU/CE/TISI), 13A (BS 1363/SS 145), 15A (USA/125V), or 16A (Schuko/South Africa) standard loads. Furthermore, we can tune the inverse time-current characteristic curve to match specific regional tolerances and prevent nuisance trips caused by inductive motor equipment.

All structural enclosures utilize 100% virgin, flame-retardant Polycarbonate (PC) or PC/ABS alloy capable of passing a 750°C (or 850°C for live-part carriers) Glow Wire Flammability Test (IEC 60695-2-11) and achieving a UL94 V-0 flammability rating. This ensures self-extinguishing behavior within 10 seconds of ignition exposure without dripping flaming particles.

Standard OEM production for customized colors, packaging artwork, cord lengths, and silk-screened logos requires an average of 30 to 40 days following final sample and packaging sign-off. Initial MOQs generally start at 1,000 to 2,000 units depending on the specific model and regional socket tooling requirements.