{"product_id":"siemens-3un21-thermistor-motor-protection-relay","title":"Siemens 3Un21 Thermistor Motor Protection Relay 220-240V","description":"\u003cp\u003eProtect your motors with the \u003cstrong\u003eSiemens 3Un21 Thermistor Motor Protection Relay\u003c\/strong\u003e, designed for 220-240V systems. This relay provides reliable protection against overheating and overload, ensuring the longevity and efficiency of your motors in industrial automation applications.\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eSiemens 3Un21\u003c\/strong\u003e uses a PTC thermistor for accurate temperature measurement, preventing costly damage. Ideal for integration into existing motor control systems, it offers seamless protection. What voltage range does it support The relay is compatible with 220-240V and 50\/60Hz frequency.\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eOptimal Motor Protection:\u003c\/strong\u003e Prevents overheating and overload.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eAccurate Temperature Measurement:\u003c\/strong\u003e Utilizes PTC thermistor technology.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eEasy Integration:\u003c\/strong\u003e Compact design for simple installation.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eVersatile Application:\u003c\/strong\u003e Suitable for various motor types.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eUser-Friendly Interface:\u003c\/strong\u003e Easy configuration and monitoring.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003cbr\u003e\nVoltage: 220-240V\u003cbr\u003e\nFrequency: 50\/60Hz\u003cbr\u003e\nRating: 3.53-ptc A G\/9816\u003c\/p\u003e\n\u003cp\u003eTrust \u003cstrong\u003eSiemens\u003c\/strong\u003e for reliable motor protection. Ensure your motors operate at their best with the \u003cstrong\u003e3Un21 Thermistor Motor Protection Relay\u003c\/strong\u003e. Invest in superior protection today\u003c\/p\u003e\n\u003cp\u003eAlso our company name is Ram Automations and also you can contact us on email info@ramautomations.com\u003c\/p\u003e","brand":"Ram Automations","offers":[{"title":"Used","offer_id":48134232932694,"sku":"RAMA138313","price":999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0818\/5554\/5686\/files\/thermistor-motor-protection-relay-220-240v-50-60hz-siemens-ram-automations.webp?v=1750983260","url":"https:\/\/ramautomations.com\/products\/siemens-3un21-thermistor-motor-protection-relay","provider":"Ram Automations","version":"1.0","type":"link"}