{"id":7336,"date":"2026-07-27T15:26:37","date_gmt":"2026-07-27T07:26:37","guid":{"rendered":"https:\/\/atfits.com\/?post_type=product&p=7336"},"modified":"2026-07-27T15:26:53","modified_gmt":"2026-07-27T07:26:53","slug":"new-original-schneider-df143c-acti9-df-3p-32a-fuse-holder","status":"publish","type":"product","link":"https:\/\/atfits.com\/es\/producto\/new-original-schneider-df143c-acti9-df-3p-32a-fuse-holder\/","title":{"rendered":"New Original Schneider DF143C Acti9 DF 3P 32A Fuse Holder"},"content":{"rendered":"

New Original Schneider DF143C TeSys DF 3P Fuse Holder<\/h1>\n

1. Product Overview<\/h2>\n

DF143C is an original Schneider Electric industrial modular fuse holder belonging to the premium TeSys DF series, designed for three-phase low-voltage AC power distribution circuits. It is a 3-pole DIN rail-mounted fuse carrier dedicated to accommodating standard 14 mm \u00d7 51 mm cylindrical cartridge fuses (gG general-purpose fuses and aM motor protection fuses). Integrated with a safety isolation switch structure, this unit combines fuse installation, circuit isolation and overcurrent short-circuit protection into one compact assembly. Widely applied in industrial automation control cabinets, three-phase motor power supply loops, machinery equipment panels, commercial workshop power distribution systems and auxiliary electrical circuits for production lines. It features drawer-type fuse extraction design for safe fuse replacement, stable conductive performance and excellent mechanical durability, and can be matched with auxiliary contacts and blown-fuse indicator accessories to build complete circuit protection solutions.<\/p>\n

2. Main Functions<\/h2>\n
    \n
  1. Three-phase synchronous circuit isolation: The unified operating handle can cut off all three live phases simultaneously, forming a visible physical disconnection gap inside the device, which complies with international IEC safety standards for power-off maintenance, overhaul and equipment troubleshooting.<\/li>\n
  2. Pole-by-pole overcurrent & short-circuit protection: Each independent pole is equipped with an individual fuse cavity; the inserted fuse will melt rapidly under overload or short-circuit faults to isolate faulty circuits and protect downstream motors, wiring and electrical loads from burnout damage.<\/li>\n
  3. Drawer-type safe fuse replacement: Pull-out drawer structure allows operators to replace fuses without direct contact with live conductive parts, effectively lowering electric shock risks during maintenance work.<\/li>\n
  4. Padlockable operating handle: The main toggle handle can be locked with padlocks in both ON and OFF positions to prevent unauthorized switching operations and avoid accidental power cut-on or cut-off on site.<\/li>\n
  5. Expandable accessory compatibility: Reserved mounting positions for auxiliary signal contacts and blown-fuse indicator modules, which can output fault signals to PLC control systems or visually remind staff of fuse failure status.<\/li>\n
  6. Universal screw terminal wiring: Screw clamping terminals support both rigid solid copper wires and stranded flexible copper wires to adapt to diversified on-site wiring layouts.<\/li>\n
  7. Modular combined installation: Standard body size enables multiple holders to be arranged side by side on 35 mm DIN rails for centralized three-phase power distribution management.<\/li>\n<\/ol>\n

    3. Technical Specifications<\/h2>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
    Item<\/th>\nDetailed Parameter<\/th>\n<\/tr>\n<\/thead>\n
    Full Model Number<\/td>\nDF143C<\/td>\n<\/tr>\n
    Product Series<\/td>\nSchneider TeSys DF Fuse Holder Series<\/td>\n<\/tr>\n
    Number of Poles<\/td>\n3 Poles (3P)<\/td>\n<\/tr>\n
    Rated Operational Current<\/td>\n50 A<\/td>\n<\/tr>\n
    Rated Operational Voltage<\/td>\n690 V AC \/ 690 V DC, 50\/60 Hz<\/td>\n<\/tr>\n
    Rated Insulation Voltage<\/td>\n690 V<\/td>\n<\/tr>\n
    Rated Impulse Withstand Voltage<\/td>\n8 kV<\/td>\n<\/tr>\n
    Applicable Fuse Dimension<\/td>\n14 mm \u00d7 51 mm cylindrical cartridge fuse<\/td>\n<\/tr>\n
    Compatible Fuse Types<\/td>\ngG general distribution fuse, aM motor dedicated protection fuse<\/td>\n<\/tr>\n
    Rated Short-circuit Breaking Capacity<\/td>\n120 kA at 400 V AC<\/td>\n<\/tr>\n
    Ingress Protection Grade<\/td>\nIP20 for terminal internal area<\/td>\n<\/tr>\n
    Wiring Cross-section Range<\/td>\nRigid wire: 1.5 ~ 16 mm\u00b2; Flexible wire: 1 ~ 10 mm\u00b2<\/td>\n<\/tr>\n
    Ambient Operating Temperature<\/td>\n-20 \u00b0C ~ +60 \u00b0C<\/td>\n<\/tr>\n
    Pollution Degree<\/td>\nClass 3<\/td>\n<\/tr>\n
    Compliance Standards<\/td>\nIEC 60269, IEC 60947-3, RoHS 3 Compliant<\/td>\n<\/tr>\n
    Mounting Method<\/td>\nClip-on dual-lock system for standard 35 mm DIN top-hat rail<\/td>\n<\/tr>\n
    Handle Function<\/td>\nPadlockable at ON & OFF positions<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    4. Technical Features<\/h2>\n
      \n
    1. High-strength flame-retardant reinforced plastic housing: Anti-arc ablation, high-temperature resistant and impact-resistant shell material ensures long-term stable operation in harsh industrial workshop environments.<\/li>\n
    2. Silver-plated internal conductive contacts: Ultra-low contact resistance eliminates abnormal heating under continuous rated load, and guarantees balanced three-phase current transmission performance.<\/li>\n
    3. Dual-lock DIN rail mounting structure: Firm clamping design prevents sliding or falling off caused by equipment vibration during long-term operation.<\/li>\n
    4. Safe visible isolation gap: Clear mechanical breaking point after switching off fully meets electrical safety maintenance requirements stipulated by global low-voltage codes.<\/li>\n
    5. Humanized drawer-type fuse carrier: Ergonomic pull-out structure simplifies fuse replacement steps and improves on-site maintenance efficiency.<\/li>\n
    6. Strong environmental adaptability: No performance attenuation under temperature fluctuation, slight condensation and dust accumulation conditions.<\/li>\n
    7. Complete expandable accessory ecosystem: Perfectly matched with auxiliary contacts, blown-fuse indicators and interconnection kits of the same series for flexible system upgrading.<\/li>\n<\/ol>\n

      5. Product Dimensions and Net Weight<\/h2>\n\n\n\n\n\n\n\n\n\n\n
      Parameter<\/th>\nValue<\/th>\n<\/tr>\n<\/thead>\n
      Overall Width<\/td>\n54 mm<\/td>\n<\/tr>\n
      Overall Height<\/td>\n128 mm<\/td>\n<\/tr>\n
      Overall Depth<\/td>\n85 mm<\/td>\n<\/tr>\n
      Single Unit Net Weight<\/td>\n570 g<\/td>\n<\/tr>\n
      Recommended Terminal Screw Tightening Torque<\/td>\n1.5 N\u00b7m<\/td>\n<\/tr>\n
      Applicable Mounting Rail<\/td>\n35 mm standard DIN rail<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

      6. Ten Schneider Similar-Function TeSys DF Series Fuse Holders<\/h2>\n

      All listed products are original Schneider DIN rail-mounted fuse holders for three-phase\/single-phase circuit isolation and fuse protection with different poles, current ratings and configurations:<\/p>\n

        \n
      1. DF141C: 1P 50A single-pole fuse holder for single-phase live wire independent protection circuits<\/li>\n
      2. DF142C: 2P 50A two-pole variant for single-phase live and neutral dual-line power distribution loops<\/li>\n
      3. DF143NC: 3P+N four-wire fuse holder with additional neutral pole for three-phase four-wire systems<\/li>\n
      4. DF143VC: 3P 50A fuse holder pre-installed with blown-fuse indicator lamps for each phase<\/li>\n
      5. DF103: 3P 32A compact fuse holder adapted for 10\u00d738 mm small-size cylindrical fuses<\/li>\n
      6. DF223C: 3P 125A large-current heavy-duty fuse holder for main three-phase incoming power loops<\/li>\n
      7. DF143C-H: High-temperature resistant customized version suitable for high-heat production workshop environments<\/li>\n
      8. DF141NC: 1P+N single-phase plus neutral fuse holder for commercial and building auxiliary power circuits<\/li>\n
      9. DF143C+AM: 3P fuse holder assembled with auxiliary signal contacts for remote fault feedback<\/li>\n
      10. DF221C: 1P 63A medium-current single-pole fuse holder for general small-power control cabinets<\/li>\n<\/ol>","protected":false},"excerpt":{"rendered":"

        New Original Schneider DF143C TeSys DF 3P Fuse Holder 1. Product Overview DF143C is an original Schneider Electric industrial modular<\/p>","protected":false},"featured_media":7338,"comment_status":"closed","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[105],"product_tag":[],"class_list":["post-7336","product","type-product","status-publish","has-post-thumbnail","product_cat-schneider","first","instock","shipping-taxable","product-type-simple"],"yoast_head":"\nNew Original Schneider DF143C Acti9 DF 3P 32A Fuse Holder - 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-df143c-acti9-df-3p-32a-fuse-holder\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"New Original Schneider DF143C Acti9 DF 3P 32A Fuse Holder - Autofits\" \/>\n<meta property=\"og:description\" content=\"New Original Schneider DF143C TeSys DF 3P Fuse Holder 1. 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