KSD301 185°C Ceramic Thermal Control Switch 250V 10A Normally Closed Thermostat
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৳ 45.00৳ 70.00 (-36%)
Ensure high-temperature safety and precision control with this premium KSD301 185°C thermal switch. Engineered with a bimetal disc mechanism, it acts as a reliable automatic circuit protector that cuts off power when temperatures reach 185°C. Built with a high-insulation ceramic body and a durable metal mounting flange, it effortlessly handles heavy-duty loads up to 250V 10A.
KSD301 185°C Ceramic Bimetal Thermal Control Switch (250V 10A)
Product Overview
Protect your heavy-duty appliances from catastrophic overheating with the KSD301 185°C Ceramic Thermal Control Switch. This compact, ultra-reliable bimetal snap-disc thermostat serves as a critical circuit safety mechanism. Running on a Normally Closed (N.C.) configuration, it maintains a continuous electrical pathway under standard operations. The moment the ambient surface temperature surges past its maximum safe ceiling of 185°C, the internal sensor triggers a lightning-fast disconnect to completely cut power. [1, 2, 3, 4]
How It Works
- Snap-Action Mechanics: Features an integrated high-sensitivity bimetallic disc that reacts rapidly to thermal shifts. [2, 5]
- Safe Automatic Disconnect: At 185°C, the internal metal disc instantly bows outwards due to differing thermal expansion properties. This physical movement drives the contacts apart, breaking the circuit with zero arcing. [1, 2, 5]
- Automatic Thermal Reset: Once the appliance cools down safely below its internal threshold (typically dropping 10°C to 30°C), the bimetal strip snaps right back to its baseline. This closes the connection to automatically restore standard operations without manual intervention. [4, 5, 6]
Technical Specifications
| Feature | Specification Details |
|---|---|
| Model Series | Industry-Standard KSD301 Snap-Disc Thermostat |
| Material Casing | High-Insulation Ceramic Body with Aluminum Faceplate |
| Circuit State | Normally Closed (N.C.) — Opens Circuit on Overheat |
| Action Temperature | Fixed 185°C (365°F) Thermal Threshold |
| Electrical Rating | 250V AC / 10 Ampere Maximum Capacity |
| Terminal Pins | Standard 6.3mm (1/4″) Quick-Connect Male Tabs |
| Flange Type | Immovable, Loose-Hole Floating Surface Mount Flange |
| Expected Lifespan | Rated for >50,000 Continuous Switching Cycles |
High-Temperature Appliance Applications
Because this safety protector uses a high-insulation ceramic structure rather than a lower-grade plastic shell, it safely handles intense radiant heat environments. It is widely trusted as an exact OEM replacement part on marketplaces like eBay or Amazon for: [2, 6, 7, 8]
- Commercial and residential microwave ovens.
- High-heat electric baking ovens and countertop speed-cook cookers.
- Large-scale water heaters, electric griddles, and commercial coffee brewers. [7, 9, 10, 11]
Crucial Installation & Safety Notes
- Never press or deform the silver aluminum top cap during installation, as changing its physical profile will alter its pre-calibrated temperature response. [12]
- Keep the installation surface completely clean, and tightly secure the dual-hole metal flange to the target area to maintain optimum thermal transfer. [6, 12]
- Ensure the high-voltage appliance is completely unplugged and completely cooled down before attempting any repair or component replacement. [5]
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