{"id":493,"date":"2025-09-16T04:32:44","date_gmt":"2025-09-16T04:32:44","guid":{"rendered":"https:\/\/xtech-eng.com\/?post_type=product&p=493"},"modified":"2025-12-31T06:55:45","modified_gmt":"2025-12-31T06:55:45","slug":"dc-motor","status":"publish","type":"product","link":"https:\/\/xtech-eng.com\/?product=dc-motor&lang=en","title":{"rendered":"Nippon Gear_DC motor"},"content":{"rendered":"

Outline<\/strong><\/h1>\n

There are two proven methods to ensure actuator operation during a power outage:<\/p>\n

    \n
  1. \n

    Using a DC motor<\/strong><\/p>\n<\/li>\n

  2. \n

    Using an air motor<\/strong><\/p>\n<\/li>\n<\/ol>\n

    Historically, DC motor-type actuators<\/strong> have been widely used for emergency isolation valves<\/strong> in power plants, as well as in water supply and sewerage systems<\/strong>.<\/p>\n

    Requirements for DC Motors<\/strong><\/h1>\n
      \n
    1. \n

      High starting torque characteristics<\/strong> suitable for valve operation.<\/p>\n<\/li>\n

    2. \n

      Line-start applicable motors<\/strong>:
      \u2013 Unlike general-purpose DC motors, these do not require current-limiting resistance at startup or a complex switching circuit.
      \u2013 This simplifies the overall circuit design.<\/p>\n<\/li>\n<\/ol>\n

      Specifications of DC Motor<\/strong><\/h1>\n
        \n
      1. \n

        Excitation type<\/strong>: Self-excitation \/ cumulative compound type.<\/p>\n<\/li>\n

      2. \n

        Power supply options<\/strong>:
        \u2013 100 V, 110 V, 115 V
        \u2013 200 V, 230 V, 250 V (optional)<\/p>\n<\/li>\n

      3. \n

        Size (output based on starting torque)<\/strong>:
        #2, #5, #7.5, #10, #15, #25, #40, #60, #80, #100, #150, #200<\/p>\n<\/li>\n

      4. \n

        Operating time (Short-time rating)<\/strong>:
        \u2013 20% load (Intermediate load)
        \u2022 #2 to #25: 15 mins
        \u2022 #40 to #200: 5 mins
        \u2013 40% load (Intermediate load)
        \u2022 #2 to #25: 7.5 mins
        \u2022 #40 to #200: 2 mins<\/p>\n<\/li>\n

      5. \n

        Brake (Optional)<\/strong><\/p>\n<\/li>\n<\/ol>\n

        DC motor connection diagram<\/strong><\/h1>\n

        \"\"<\/p>\n

        Notes (Connection Diagram & Symbols)<\/strong><\/em><\/p>\n

        \u2013 R\/C<\/strong>: Reversible electromagnetic switch
        \u2013 51H<\/strong>: Thermal relay heater
        \u2013 R<\/strong>: Discharge resistance<\/p>\n

        Important<\/strong>:<\/p>\n

          \n
        1. \n

          External wiring to E2 terminal<\/strong> is prohibited.<\/p>\n<\/li>\n

        2. \n

          \u201cR\u201d indicates discharge resistance.<\/p>\n<\/li>\n

        3. \n

          For motor size #7.5 and above<\/strong> (with interpole), B2<\/strong> is used instead of A2<\/strong> as the terminal marking.<\/p>\n<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"

          Outline There are two proven methods to ensure actuator operation during a power outage: Using a DC motor Using an air motor Historically, DC motor-type actuators have been widely used for emergency isolation valves in power plants, as well as in water supply and sewerage systems. Requirements for DC Motors High starting torque characteristics suitable…<\/p>\n","protected":false},"featured_media":0,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[201],"product_tag":[],"class_list":{"0":"post-493","1":"product","2":"type-product","3":"status-publish","5":"product_cat-special-motor-option-en-en","7":"first","8":"instock","9":"shipping-taxable","10":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/xtech-eng.com\/index.php?rest_route=\/wp\/v2\/product\/493","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/xtech-eng.com\/index.php?rest_route=\/wp\/v2\/product"}],"about":[{"href":"https:\/\/xtech-eng.com\/index.php?rest_route=\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/xtech-eng.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=493"}],"wp:attachment":[{"href":"https:\/\/xtech-eng.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=493"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/xtech-eng.com\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_brand&post=493"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/xtech-eng.com\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_cat&post=493"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/xtech-eng.com\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_tag&post=493"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}