Type: KSD301 70 C thermal switch, rated 110V/120V/250V, 10A, normally closed (NC) What it does - Normally closed at room temperature; opens when the sensing temperature exceeds 70 C. Key benefits - Fast, reliable response: double metal chip design with a fast dynamic type delivers sensitive and stable actuation. - High durability: long service life with no arc phenomenon during switching. - Wide compatibility: suitable for circuits operating at 110V, 120V, or 250V and up to 10A. - Clear performance specification: precise 70 C actuation with stable switching behavior. Installation and dimensions - Easy mounting: floating flange for straightforward installation. - Pin width: 6.3 mm. Specifications at a glance - Type: KSD301 - Temperature: 70 C - Voltage: 110V/120V/250V - Current: 10A - Contact: NC (normally closed) Applications - Overheat protection in household appliances such as heaters, coffee makers, and similar equipment. - Thermal cutout in power supplies, chargers, and transformers. - Safety switch for motors, heating elements, or DIY electronic projects requiring a reliable 70 C cutout.