Protect your high-power equipment from overheating with the industrial-strength KSD301 Ceramic Thermal Switch. Unlike standard plastic models, these switches feature a high-quality ceramic body designed to withstand extreme thermal environments without warping or degrading. Utilizing a high-sensitivity bimetal disc, these snap-action thermostats provide rapid and reliable circuit interruption once your specified temperature threshold is reached.
Premium Ceramic Construction: Engineered for high-heat durability, offering superior insulation and thermal stability compared to phenolic alternatives.
Wide Temperature Selection: Available in various precise ratings to suit your specific safety needs: 150°C, 175°C, 180°C, 185°C, 195°C, 215°C, 216°C, and 240°C.
Snap-Action Response: The bimetal element ensures a fast, clean break in the electrical connection to prevent arcing and ensure equipment safety.
Standard Fixed Flange: Features a universal mounting wing with pre-drilled holes for secure attachment directly to heat sinks, heater blocks, or motor housings.
Professional Spade Terminals: Equipped with 6.3mm standard quick-connect terminals for fast and secure wiring in industrial or domestic appliances.
The KSD301 Ceramic Series is essential for high-thermal applications:
Industrial Heating Elements: Overheat protection for industrial ovens, kilns, and high-wattage space heaters.
Kitchen Appliances: Safety cut-off for coffee makers, deep fryers, and electric grills.
HVAC Systems: Secondary safety limits for electric furnaces and heat exchangers.
Steam Equipment: Temperature regulation for steam cleaners and garment steamers.
Body Material: Ceramic (High-Temp).
Action Type: Normally Closed (NC) - Opens on temperature rise.
What does "Normally Closed" (NC) mean for this switch?
This means the circuit is connected under normal temperatures. When the device reaches the rated Celsius (e.g., 240°C), the switch opens, cutting the power to prevent overheating.
Why choose Ceramic over Plastic (Phenolic)?
Ceramic is required for temperatures exceeding 150°C. Standard plastic models can melt or lose structural integrity at the higher temperatures in this range (180°C–240°C), whereas ceramic remains rigid and safe.
Does it reset automatically?
Yes, most KSD301 models are automatic reset thermostats. Once the equipment cools down significantly below the trip point, the bimetal disc snaps back, and the circuit closes again.
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