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IEC 60311: Household Electric Irons — Soleplate Temperature Control and Overheat Safety
Soleplate at 250°C — How Dual Overheat Protection Prevents Fire
IEC 60311:2009 specifies household electric iron performance measurement. Soleplate temperature must be precisely controlled: synthetics ~110°C, silk ~150°C, cotton ~200°C, linen ~230°C.
| Fabric | Temp | Steam |
|---|---|---|
| Synthetics | ~110°C | Low |
| Silk/Wool | ~150°C | Medium |
| Cotton | ~200°C | High |
| Linen | ~230°C | Max |
Dual overheat protection: (1) Adjustable thermostat (bimetallic, auto-reset). (2) Thermal fuse (non-resettable) — if thermostat contacts weld, the fuse permanently disconnects at 260–280°C. The last line of fire defense.
TNLab — An iron dual overheat protection is the foundation of decades of safety.
