{"product_id":"a-tpr-m-thermistor-protection-relay-230vac","title":"Thermistor Protection Relay 230VAC, Plug-In","description":"\u003cp\u003eThe A-TPR-M Thermistor Protection Relay interfaces with PTC thermistor sensors embedded in motor windings to protect motors from overheating, and monitors for sensor cable faults. It is suitable for electricians and motor maintenance teams protecting motors fitted with embedded PTC sensors.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Motor winding overheat and cable fault protection\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensor type:\u003c\/strong\u003e PTC sensors to DIN44081\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndication:\u003c\/strong\u003e LEDs for overheat, cable fault (short\/open), and latch condition\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Plug-in, 11 pin base\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"color:#2C3892;\"\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eInterfaces directly with standard DIN44081 PTC motor winding sensors\u003c\/li\u003e\n\u003cli\u003eLED indication distinguishes between overheat trip, cable fault, and latch state\u003c\/li\u003e\n\u003cli\u003eLatching function enabled by bridging terminals 8+9 for manual-reset protection\u003c\/li\u003e\n\u003cli\u003eDefined trip\/recovery thresholds (3100 ohm trip, 1650 ohm recovery) for consistent operation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"color:#2C3892;\"\u003eTypical Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMotor winding overheat protection\u003c\/li\u003e\n\u003cli\u003eCable fault monitoring on PTC sensor circuits\u003c\/li\u003e\n\u003cli\u003ePanel builder motor protection circuits\u003c\/li\u003e\n\u003cli\u003ePump and industrial motor protection\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"color:#2C3892;\"\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAvanti\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eA-TPR-M\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMonitoring Relay\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSupply voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e230VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSensor compatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePTC per DIN44081, 1 to 6 sensors in series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOpen circuit voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;2.5V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eShort circuit current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1mA max\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCold resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1500 ohm (1-6 sensors)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTrip threshold\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3100 ohm +\/-10%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRecovery threshold\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1650 ohm +\/-10%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMounting\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePlug-in, 11 pin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3 style=\"color:#2C3892;\"\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\u003cli\u003e1 x A-TPR-M Thermistor Protection Relay\u003c\/li\u003e\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003ePlease note:\u003c\/strong\u003e 11 pin relay base\/socket and PTC sensors are not included unless specifically listed above.\u003c\/p\u003e\n\u003ch3 style=\"color:#2C3892;\"\u003eInstallation \u0026amp; Compatibility Notes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eConfirm the motor is fitted with DIN44081-compatible PTC sensors before ordering.\u003c\/li\u003e\n\u003cli\u003eConfirm a compatible 11 pin relay base is available or order one separately.\u003c\/li\u003e\n\u003cli\u003eInstallation should be carried out by a suitably qualified electrician where required.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"color:#2C3892;\"\u003eWarranty \u0026amp; Support\u003c\/h3\u003e\n\u003cp\u003eThis product is supplied with the applicable manufacturer or supplier warranty, subject to correct installation, correct application, and warranty terms.\u003c\/p\u003e\n\u003cp\u003eZisabo supplies quality plumbing, pump, filtration and electrical products with practical support to help customers choose the correct item for their application. If you are unsure whether this product is suitable, contact us before ordering and our team will assist where possible.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNeed help choosing?\u003c\/strong\u003e If you are unsure whether this product is suitable for your system, contact Zisabo with your application details, voltage, current rating, pin\/base configuration or installation environment, and we will assist where possible.\u003c\/p\u003e","brand":"Avanti","offers":[{"title":"Default Title","offer_id":49516668420353,"sku":"A-TPR-M","price":876.3,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0723\/6924\/2369\/files\/A-TPR.png?v=1783230817","url":"https:\/\/www.zisabo.co.za\/products\/a-tpr-m-thermistor-protection-relay-230vac","provider":"Zisabo","version":"1.0","type":"link"}