{"id":6215,"date":"2026-06-23T14:19:48","date_gmt":"2026-06-23T06:19:48","guid":{"rendered":"https:\/\/atfits.com\/?post_type=product&p=6215"},"modified":"2026-06-23T14:19:48","modified_gmt":"2026-06-23T06:19:48","slug":"new-original-schneider-28904-non-automatic-switch-disconnector","status":"publish","type":"product","link":"https:\/\/atfits.com\/es\/producto\/new-original-schneider-28904-non-automatic-switch-disconnector\/","title":{"rendered":"New Original Schneider 28904 non-automatic switch-disconnector"},"content":{"rendered":"
\n

New Original Schneider 28904 Non-Automatic Switch-Disconnector<\/h2>\n

Product Overview<\/h2>\n<\/div>\n
\n
Schneider 28904 is a new original non-automatic load switch-disconnector under the Interpact INS series, with internal model INS80 3-pole configuration. It is a manually operated isolating switching device without automatic overcurrent or short-circuit tripping functions. Designed for low-voltage power distribution systems, this unit serves as a visible breaking point for circuit isolation, circuit switching, equipment maintenance safety lockout, and main incoming circuit control in control cabinets, distribution boxes, motor control loops and industrial automation equipment. It strictly complies with international isolation switch standards to guarantee electrical safety during offline maintenance work, and supports DIN rail mounting for compact cabinet layout arrangement.<\/div>\n<\/div>\n
\n

Main Functions<\/h2>\n<\/div>\n
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    \n
  1. Manual ON\/OFF switching for normal load current connection and disconnection, no automatic fault tripping mechanism.<\/li>\n
  2. Provide obvious visible isolation break point to cut off power supply completely for equipment overhaul and maintenance, meeting safety isolation specifications.<\/li>\n
  3. Mechanical interlock structure ensures handle position is consistent with actual contact status, preventing false state indication.<\/li>\n
  4. Built-in padlockable handle design for lockout-tagout (LOTO) management to avoid accidental power closing during maintenance.<\/li>\n
  5. Compatible with both top incoming wiring and bottom incoming wiring without current derating, flexible for various wiring schemes.<\/li>\n
  6. Centralized control for branch circuits, motor local isolation, busbar connection switching and power distribution system section isolation.<\/li>\n<\/ol>\n<\/div>\n
    \n

    Technical Specifications<\/h2>\n<\/div>\n
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    \u8868\u683c<\/div>\n
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    \n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
    Specification Item<\/th>\nParameter Value<\/th>\n<\/tr>\n<\/thead>\n
    Order Number<\/td>\n28904<\/td>\n<\/tr>\n
    Internal Model<\/td>\nINS80 3P<\/td>\n<\/tr>\n
    Product Type<\/td>\nNon-automatic manual switch-disconnector<\/td>\n<\/tr>\n
    Rated Operational Current (Ie)<\/td>\n80 A<\/td>\n<\/tr>\n
    Number of Poles<\/td>\n3 Pole<\/td>\n<\/tr>\n
    Rated Insulation Voltage (Ui)<\/td>\n690 V AC<\/td>\n<\/tr>\n
    Rated Impulse Withstand Voltage (Uimp)<\/td>\n8 kV<\/td>\n<\/tr>\n
    Rated Operational Voltage (Ue)<\/td>\n500 V AC<\/td>\n<\/tr>\n
    Operating Mode<\/td>\nManual rotary handle operation<\/td>\n<\/tr>\n
    Protection Degree<\/td>\nIP40 (main body)<\/td>\n<\/tr>\n
    Ambient Operating Temperature<\/td>\n-25 \u00b0C ~ +60 \u00b0C (no derating below 60\u00b0C)<\/td>\n<\/tr>\n
    Storage Temperature<\/td>\n-40 \u00b0C ~ +70 \u00b0C<\/td>\n<\/tr>\n
    Mounting Method<\/td>\nStandard DIN rail mounting, front wiring<\/td>\n<\/tr>\n
    Mechanical Endurance<\/td>\nUp to 10,000 operation cycles<\/td>\n<\/tr>\n
    Electrical Endurance<\/td>\nUp to 2,000 operation cycles under rated current<\/td>\n<\/tr>\n
    Shock & Vibration Resistance<\/td>\nAdaptable to conventional industrial vibration environments<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n
    \n

    Product Dimensions & Net Weight<\/h2>\n<\/div>\n
    \n

    Overall External Dimensions<\/h3>\n<\/div>\n
    \n
      \n
    • Width: 81 mm<\/li>\n
    • Height: 90 mm<\/li>\n
    • Depth: 62.5 mm<\/li>\n<\/ul>\n<\/div>\n
      \n

      Weight Data<\/h3>\n<\/div>\n
      \n
        \n
      • Single unit net weight (without packaging): 0.39 kg<\/li>\n
      • Single unit gross weight (individual retail carton packaging): approx. 0.45 kg<\/li>\n
      • Standard outer carton packing: 18 pieces per carton<\/li>\n<\/ul>\n<\/div>\n
        \n

        Core Technical Features<\/h2>\n<\/div>\n
        \n
          \n
        1. Non-automatic structural design: purely manual operation, no built-in thermal magnetic trip components, only for isolation and load switching purposes.<\/li>\n
        2. Stable current carrying performance: no current derating for upper or lower incoming wiring, reliable continuous operation under rated load.<\/li>\n
        3. Safe mechanical isolation design: clear contact gap after opening, fully satisfying electrical isolation requirements for maintenance safety.<\/li>\n
        4. Lockable rotary handle: allows padlock installation to prevent unauthorized closing, implementing industrial LOTO safety management.<\/li>\n
        5. Compact modular structure: occupies small cabinet space, easy side-by-side dense installation on DIN rail.<\/li>\n
        6. High durability contact material: anti-ablation, anti-oxidation, stable contact resistance for long-term frequent switching operation.<\/li>\n
        7. Strong environmental adaptability: works normally in low-temperature, dust-prone industrial workshops with wide operating temperature range.<\/li>\n
        8. Simple wiring structure: front terminal wiring design for convenient field wiring, inspection and later maintenance.<\/li>\n<\/ol>\n<\/div>","protected":false},"excerpt":{"rendered":"

          New Original Schneider 28904 Non-Automatic Switch-Disconnector Product Overview Schneider 28904 is a new original non-automatic load switch-disconnector under the Interpact<\/p>","protected":false},"featured_media":6216,"comment_status":"closed","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[86],"product_tag":[],"class_list":["post-6215","product","type-product","status-publish","has-post-thumbnail","product_cat-86","first","instock","shipping-taxable","product-type-simple"],"yoast_head":"\nNew Original Schneider 28904 non-automatic switch-disconnector - Autofits<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/atfits.com\/es\/producto\/new-original-schneider-28904-non-automatic-switch-disconnector\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"New Original Schneider 28904 non-automatic switch-disconnector - 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