{"product_id":"samwha-ewr-pd-440n-220-voltage-relay","title":"Electronic Voltage Relay Samwha EWR-PD 440N 220V - Voltage Protection","description":"\u003cp\u003eThe \u003cstrong\u003eElectronic Voltage Relay 440 N 220\u003c\/strong\u003e by \u003cstrong\u003eSamwha Engineering Co.,Ltd.\u003c\/strong\u003e is engineered to provide superior voltage protection for your electrical systems. This critical component ensures the stability and safety of your equipment by monitoring voltage fluctuations. Ideal for various industrial applications, this relay is a reliable solution for maintaining optimal performance and preventing potential damage.\u003c\/p\u003e\n\n\u003cp\u003eWith a voltage range of 300~500V and a 3Ph input voltage of 3 440V, the \u003cstrong\u003eSamwha EWR-PD\u003c\/strong\u003e relay offers precise control. It operates with a power supply range of 85~250Vac\/Dc and features a rapid response time (Rpr) of 0.5Sec. The Phase Loss feature activates within 2 seconds, while the Unbalance detection triggers within 3 seconds with a deviation of +-5%. Over Voltage protection operates at O-volt 380~500V with an O-time of 0.5~10Sec. Under Voltage scenarios trigger at U-volt 300~440V with a U-time of 0.5~10Sec. The output contact of 3A\/250Vac,Res.(1C Contact) provides a reliable connection. This \u003cstrong\u003eElectronic Voltage Relay\u003c\/strong\u003e is manufactured in Korea and weighs 270 Gm.\u003c\/p\u003e\n\n\u003cp\u003eKey Features:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage Monitoring\u003c\/strong\u003e: Ensures stable power supply within specified parameters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePhase Loss Protection\u003c\/strong\u003e: Quickly detects and responds to phase loss events.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOver Voltage Protection\u003c\/strong\u003e: Safeguards equipment from voltage surges.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnder Voltage Protection\u003c\/strong\u003e: Prevents damage from voltage drops.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRapid Response Time\u003c\/strong\u003e: Reacts swiftly to voltage fluctuations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eSpecifications:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eVoltage Range: 300~500V\u003c\/li\u003e\n\u003cli\u003eInput Voltage: 3 440V\u003c\/li\u003e\n\u003cli\u003ePower Supply: 85~250Vac\/Dc\u003c\/li\u003e\n\u003cli\u003eOutput Contact: 3A\/250Vac,Res.(1C Contact)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eSamwha Electronic Voltage Relay 440 N 220\u003c\/strong\u003e is a dependable choice for protecting your electrical systems. Its advanced features and robust performance make it an essential component for industrial and automation systems. Trust \u003cstrong\u003eSamwha\u003c\/strong\u003e and \u003cstrong\u003eRam Automations\u003c\/strong\u003e for reliable power protection.\u003c\/p\u003e\n\u003cp\u003eFor inquiries, contact us at \u003ca href=\"mailto:info@ramautomations.com\"\u003einfo@ramautomations.com\u003c\/a\u003e.\u003c\/p\u003e","brand":"Samwha Engineering Co.,Ltd.","offers":[{"title":"New","offer_id":48090590937430,"sku":"RAMA49790","price":999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0818\/5554\/5686\/files\/electronic-voltage-relay-440-n-220-samwha-ewr-pd-ram-automations.webp?v=1750671319","url":"https:\/\/ramautomations.com\/products\/samwha-ewr-pd-440n-220-voltage-relay","provider":"Ram Automations","version":"1.0","type":"link"}