5 amp 60°C thermal switch - normally open

These are auto resetting bi-metal thermal switches which are perfect for protecting power LEDs or turning on a fan when their temperature is exceeded. Mount one of these on the heatsink of your LED array and connect the fan in series with the switch and the fan will turn on if the heatsink gets too hot.

These are quite a small size (about 20mm x 7.5mm x 3mm excluding leads) and have a plastic case.

Part number is KSD9700-60.

Specifications:

• Contact rating: 5A, 250V
• Contact resistance: ≤50 milliohm
• Insulation resistance: ＞100 Mohm
• Withstand voltage: 1500V AC 1 minute
• Operating durability: 10,000 times or more