{"product_id":"puskovoe-rele-ptc-zhb35-120p15-kompressora-kholodylnyka-morozylnoy-kamery","title":"ZHB Refrigerator Freezer Compressor PTC Start Relay (ZHB35-120P15)","description":"\u003carticle class=\"product-description\"\u003e\n  \u003ch2\u003eZHB Series Start-up and Overload Protection Relays (ZHB35-120P15 \/ ZHB62-140P15) for Refrigerator Compressors\u003c\/h2\u003e\n\n  \u003cp\u003eCombined \u003cstrong\u003eZHB\u003c\/strong\u003e series start-up and protection units integrate a PTC starter element and a bimetallic thermal overload relay (klixon) in a single housing. They are designed for the safe starting and continuous protection of compressor windings against overload and overheating.\u003c\/p\u003e\n\n  \u003csection\u003e\n    \u003ch3\u003e1. Main Technical Specifications\u003c\/h3\u003e\n    \u003cul\u003e\n      \u003cli\u003e\n\u003cstrong\u003eOperating Voltage:\u003c\/strong\u003e 220–240 V \/ 50 Hz.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003ePTC Resistance:\u003c\/strong\u003e 15 Ohm (\u003cem\u003eP15\u003c\/em\u003e index).\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eDesign:\u003c\/strong\u003e Monoblock (start + thermal relay) with 3 contacts\/sockets for compressor pins.\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/section\u003e\n\n  \u003csection\u003e\n    \u003ch3\u003e2. Model Comparison and Compressor Selection\u003c\/h3\u003e\n    \u003cp\u003eModels differ by compressor power and thermal protection trip thresholds. Use the table below for correct selection:\u003c\/p\u003e\n\n    \u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\" style=\"width: 100%; border-collapse: collapse; text-align: left;\"\u003e\n      \u003cthead\u003e\n        \u003ctr style=\"background-color: #f2f2f2;\"\u003e\n          \u003cth\u003eCharacteristic\u003c\/th\u003e\n          \u003cth\u003eZHB35-120P15\u003c\/th\u003e\n          \u003cth\u003eZHB62-140P15\u003c\/th\u003e\n        \u003c\/tr\u003e\n      \u003c\/thead\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n          \u003ctd\u003e\u003cstrong\u003eCompressor Power\u003c\/strong\u003e\u003c\/td\u003e\n          \u003ctd\u003eLow \/ Medium (110–140 W)\u003c\/td\u003e\n          \u003ctd\u003eHigh (180–240 W and above)\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003e\u003cstrong\u003eCurrent Protection Threshold\u003c\/strong\u003e\u003c\/td\u003e\n          \u003ctd\u003e~3.5 A (for low-power motors)\u003c\/td\u003e\n          \u003ctd\u003e~6.2 A (for high-power motors)\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003e\u003cstrong\u003eCut-off Temperature\u003c\/strong\u003e\u003c\/td\u003e\n          \u003ctd\u003e120 °C\u003c\/td\u003e\n          \u003ctd\u003e140 °C\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003e\u003cstrong\u003ePTC Resistance\u003c\/strong\u003e\u003c\/td\u003e\n          \u003ctd\u003e15 Ohm\u003c\/td\u003e\n          \u003ctd\u003e15 Ohm\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/td\u003e\n          \u003ctd\u003eDomestic single-door and small double-door refrigerators\u003c\/td\u003e\n          \u003ctd\u003eLarge double-door refrigerators, chest freezers, commercial equipment\u003c\/td\u003e\n        \u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n  \u003c\/section\u003e\n\n  \u003csection\u003e\n    \u003ch3\u003e3. Why Correct Model Selection is Important\u003c\/h3\u003e\n    \u003cul\u003e\n      \u003cli\u003e\n\u003cstrong\u003eIf ZHB35 is installed instead of ZHB62:\u003c\/strong\u003e The relay will trip falsely (\"click\") and shut down a working compressor due to exceeding the starting current threshold.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eIf ZHB62 is installed instead of ZHB35:\u003c\/strong\u003e The protection will not cut off power in time if the motor stalls, which will lead to the compressor windings burning out.\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/section\u003e\n\n  \u003csection\u003e\n    \u003ch3\u003e4. Installation Recommendations\u003c\/h3\u003e\n    \u003col\u003e\n      \u003cli\u003e\n\u003cstrong\u003eDe-energize the equipment:\u003c\/strong\u003e Completely disconnect the refrigerator from the power supply before installation.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eCheck the contacts:\u003c\/strong\u003e Ensure the compressor pins are clean and free of oxidation or carbon deposits.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Firmly press the ZHB unit onto the compressor pins until it is fully seated.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eConnection:\u003c\/strong\u003e Connect the power wires strictly according to your refrigerator's wiring diagram.\u003c\/li\u003e\n    \u003c\/ol\u003e\n  \u003c\/section\u003e\n\u003c\/article\u003e","brand":"Aliexpress","offers":[{"title":"ZHB35-120P15","offer_id":47977908732081,"sku":"19548","price":750.2,"currency_code":"UAH","in_stock":true},{"title":"ZHB62-140P15","offer_id":47977908764849,"sku":"19548_2","price":750.2,"currency_code":"UAH","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0538\/8517\/3937\/files\/1005012409958898-clean.jpg?v=1785665061","url":"https:\/\/usefulrare.com\/products\/zhb-refrigerator-freezer-compressor-ptc-start-relay-zhb35-120p15","provider":"Dostavka","version":"1.0","type":"link"}