{"product_id":"10-pack-ksd9700-thermal-temperature-switch-normally-closed","title":"10-Pack KSD9700 Thermal Temperature Switch Normally Closed","description":"\n\u003ch2\u003e10-Pack KSD9700 Thermal Temperature Switch – Normally Closed Protector\u003c\/h2\u003e\n\u003cp\u003eKeep your motors, appliances, and electrical equipment running safely with this 10-pack of KSD9700 Series Thermal Temperature Switches. Engineered with a fast-action bimetallic strip design, these compact normally-closed switches automatically open when a set temperature is reached and reset once the temperature drops — giving your equipment reliable, hands-free thermal management.\u003c\/p\u003e\n\n\u003cp\u003eMade in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAutomatic Reset:\u003c\/strong\u003e Bimetallic strip jump-type design resets automatically when temperature returns to safe levels — no manual intervention needed.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Operating Range:\u003c\/strong\u003e Configurable across 40–150°C in 5°C increments to suit a broad range of applications.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact \u0026amp; Robust:\u003c\/strong\u003e Stainless steel shell with plastic casing — small footprint, built to last up to 10,000 switching cycles at rated resistive load.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNormally Closed Operation:\u003c\/strong\u003e Contacts open when temperature rises above the set point; contacts close again as temperature drops — ideal for overtemperature protection circuits.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVersatile Compatibility:\u003c\/strong\u003e Suitable for motors under 1HP, fluorescent lamp ballasts, lighting fixtures, automobile engines, seafood processing machines, electric blankets, and general daily electrical appliances.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eKSD9700 Series\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eThermal Bimetallic Strip, Auto-Reset, Normally Closed\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eShell Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStainless Steel (Metal) + Plastic Casing\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temperature Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e40–150°C (5°C steps)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature Tolerance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e±5°C\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOn-Off Temperature Difference\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10–50°C\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eElectrical Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAC 250V, 50–60Hz, 5A\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eContact Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e≤100mΩ (lead length \u0026lt;80mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInsulation Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u0026gt;2MΩ (DC500V megohmmeter)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDielectric Strength\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAC 1500V \/ 50–60Hz, no breakdown for 1 minute\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSwitch Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSingle-Pole Single-Throw (SPST)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAction Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1B (Automatic Reset)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDurability\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10,000 cycles at rated resistive load\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax Installation Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNot to exceed 120% of operating temperature\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMotor Compatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLess than 1HP\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePackage Contents\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10× Temperature Switch\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eSmall motors (under 1HP)\u003c\/li\u003e\n  \u003cli\u003eFluorescent lamp ballasts\u003c\/li\u003e\n  \u003cli\u003eLighting fixtures\u003c\/li\u003e\n  \u003cli\u003eAutomobile engines\u003c\/li\u003e\n  \u003cli\u003eSeafood processing equipment\u003c\/li\u003e\n  \u003cli\u003eElectric blankets \u0026amp; tropical blankets\u003c\/li\u003e\n  \u003cli\u003eGeneral household electrical appliances\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eYou May Also Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/ancient-nutrition-multi-collagen-advanced-muscle-60-capsules\"\u003eAncient Nutrition Multi Collagen Advanced Muscle 60 Capsules\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/bu-29mm-sinking-minnow-jerkbait-fishing-lure-bass-trout-pike\"\u003eB\u0026amp;U 29mm Sinking Minnow Jerkbait Lure – Bass Trout Pike\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003eNote: Actual color may vary slightly from images due to monitor brightness settings. Please allow minor measurement tolerances in listed dimensions.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/eye-face-protection\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on eye and face protection\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What does \"normally closed\" mean for a KSD9700 thermal temperature switch?\u003c\/h4\u003e\n\u003cp\u003eA: A normally closed (NC) thermal temperature switch maintains an electrically connected (closed) circuit under normal operating conditions. When the temperature rises above the preset trip point, the bimetallic strip causes the contacts to open, interrupting the circuit. Once the temperature falls back to a safe level, the contacts automatically close again — providing automatic reset protection.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What applications are these KSD9700 temperature switches suitable for?\u003c\/h4\u003e\n\u003cp\u003eA: These thermal switches are designed for a wide range of uses, including small motors under 1HP, fluorescent lamp ballasts, automotive engines, lighting fixtures, seafood processing machines, electric blankets, and various household electrical appliances. Their compact stainless steel build and AC 250V\/5A rating make them highly versatile.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What temperature range can these switches be set to?\u003c\/h4\u003e\n\u003cp\u003eA: The KSD9700 series covers an operating temperature range of 40°C to 150°C, with each 5°C interval representing one grade level. Temperature tolerance is ±5°C, and the on-off switching differential is between 10°C and 50°C depending on the specific grade selected.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How long do these thermal switches last?\u003c\/h4\u003e\n\u003cp\u003eA: These switches are rated for up to 10,000 switching cycles at rated resistive load current, making them a durable long-term solution for thermal management in motors and electrical equipment.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What does \\\"normally closed\\\" mean for a KSD9700 thermal temperature switch?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"A normally closed (NC) thermal temperature switch maintains an electrically connected (closed) circuit under normal operating conditions. When the temperature rises above the preset trip point, the bimetallic strip causes the contacts to open, interrupting the circuit. 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