{"product_id":"electric-welding-machine-high-current-boat-type-switch-40a-high-power-rocker-power-supply-kcd4-with-lamp-boat-type-four-leg-red","title":"KCD4 40A High-Power Rocker Switch – DPST with Lamp","description":"\u003cstyle\u003e\n  @import url('https:\/\/fonts.googleapis.com\/css2?family=DM+Sans:wght@400;500;600;700\u0026display=swap');\n  .nzn-desc .tagline{font-family:'DM Sans',sans-serif;font-size:17px;line-height:1.7;color:#333;border-left:3px solid #e07e2c;padding-left:16px;margin-bottom:32px}\n  .nzn-desc .section-title{font-family:'DM Sans',sans-serif;font-size:15px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:#e07e2c;margin-bottom:14px}\n  .nzn-desc .specs-table{width:100%;border-collapse:collapse;margin-bottom:32px;font-family:'DM Sans',sans-serif;font-size:14px}\n  .nzn-desc .specs-table tr{border-bottom:1px solid #ebebeb}\n  .nzn-desc .specs-table tr:last-child{border-bottom:none}\n  .nzn-desc .specs-table td{padding:10px 8px}\n  .nzn-desc .specs-table td:first-child{color:#888;width:42%;font-size:14px}\n  .nzn-desc .specs-table td:last-child{font-weight:600;color:#1a1a1a}\n  .nzn-desc .uses-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:32px}\n  .nzn-desc .use-item{background:#f7f7f7;border-left:3px solid #e07e2c;padding:12px 14px;font-family:'DM Sans',sans-serif;font-size:13.5px;line-height:1.5;color:#2a2a2a}\n  .nzn-desc .note{background:#fafafa;border:1px solid #e8e8e8;border-radius:4px;padding:14px 16px;font-family:'DM Sans',sans-serif;font-size:13px;color:#888;line-height:1.6}\n  .nzn-desc .note strong{color:#555}\n  .nzn-desc .setup-box{background:#f0f7ff;border-left:3px solid #4a90d9;padding:14px 16px;font-family:'DM Sans',sans-serif;font-size:13px;color:#2c4a6e;line-height:1.7;margin-bottom:32px;border-radius:0 4px 4px 0}\n  .nzn-desc .faq-item{margin-bottom:12px}\n  .nzn-desc .faq-q{font-family:'DM Sans',sans-serif;font-size:13.5px;font-weight:700;color:#1a1a1a;margin-bottom:3px}\n  .nzn-desc .faq-a{font-family:'DM Sans',sans-serif;font-size:13.5px;color:#555;line-height:1.5;padding-left:14px;border-left:2px solid #e07e2c}\n  .nzn-desc hr.divider{border:none;border-top:1px solid #ebebeb;margin:28px 0}\n\u003c\/style\u003e\n\u003cdiv class=\"nzn-desc\" style=\"max-width:1200px;margin:0 auto;\"\u003e\n  \u003cp class=\"tagline\"\u003eIndustrial-grade DPST rocker switch rated to 40A at 250VAC. Nylon 66 flame-retardant body, high-conductivity silver-alloy contacts, and integrated illuminated lamp. Designed for high-amperage power control in welding machines, workshop equipment, and heavy-duty industrial panels. Available in Red and Green.\u003c\/p\u003e\n  \u003chr class=\"divider\"\u003e\n  \u003cp class=\"section-title\"\u003eSpecifications\u003c\/p\u003e\n  \u003ctable class=\"specs-table\"\u003e\n    \u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eKCD4-Z High Power Series\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eCurrent Rating\u003c\/td\u003e\n\u003ctd\u003e40A @ 250VAC (T125)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eConfiguration\u003c\/td\u003e\n\u003ctd\u003eDPST (Double Pole, Single Throw) — 6-pin\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePanel Cutout (W × H)\u003c\/td\u003e\n\u003ctd\u003e30.1–30.6mm × 21.9–22.0mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eSwitch Face Size\u003c\/td\u003e\n\u003ctd\u003e32.2 × 25.2mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eTerminal Width\u003c\/td\u003e\n\u003ctd\u003e6.3mm (standard quick-connect spade)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBody Material\u003c\/td\u003e\n\u003ctd\u003eNylon 66 (UL94V-0 flame-retardant)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eContact Material\u003c\/td\u003e\n\u003ctd\u003eSilver alloy\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003eUp to 125°C (T125)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eWithstand Voltage\u003c\/td\u003e\n\u003ctd\u003e3000VAC \/ 1 min (terminals to button)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eMechanical Life\u003c\/td\u003e\n\u003ctd\u003e≥10,000 cycles\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eCertifications\u003c\/td\u003e\n\u003ctd\u003eCQC, CB, CE\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/table\u003e\n  \u003chr class=\"divider\"\u003e\n  \u003cp class=\"section-title\"\u003eWiring — 6-Pin DPST\u003c\/p\u003e\n  \u003ctable class=\"specs-table\"\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePins 1 \u0026amp; 2 (top row)\u003c\/td\u003e\n\u003ctd\u003eLine 1 IN → Line 1 OUT (one pole)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePins 3 \u0026amp; 4 (middle row)\u003c\/td\u003e\n\u003ctd\u003eLine 2 IN → Line 2 OUT (second pole)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePins 5 \u0026amp; 6 (bottom row)\u003c\/td\u003e\n\u003ctd\u003eLamp supply (connect N and L for illumination)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/table\u003e\n  \u003cdiv class=\"setup-box\"\u003eDPST switches two poles simultaneously — both Line 1 and Line 2 are connected and disconnected together. Use standard 6.3mm insulated spade connectors rated for the full current. For welding machines: use high-temperature insulated spades — loose connections at 40A will generate significant heat at the terminals.\u003c\/div\u003e\n  \u003chr class=\"divider\"\u003e\n  \u003cp class=\"section-title\"\u003eWhat's Included\u003c\/p\u003e\n  \u003ctable class=\"specs-table\"\u003e\n    \u003ctr\u003e\n\u003ctd\u003e1 ×\u003c\/td\u003e\n\u003ctd\u003eKCD4 40A rocker switch with integrated lamp (selected colour)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/table\u003e\n  \u003chr class=\"divider\"\u003e\n  \u003cp class=\"section-title\"\u003eCommon Uses\u003c\/p\u003e\n  \u003cdiv class=\"uses-grid\"\u003e\n    \u003cdiv class=\"use-item\"\u003eWelding machines — MIG, TIG \u0026amp; inverter welder main power switches\u003c\/div\u003e\n    \u003cdiv class=\"use-item\"\u003eIndustrial control panels \u0026amp; high-draw motor controller enclosures\u003c\/div\u003e\n    \u003cdiv class=\"use-item\"\u003eWorkshop equipment — compressors, plasma cutters, bench power supplies\u003c\/div\u003e\n    \u003cdiv class=\"use-item\"\u003eHeavy-duty pump controllers \u0026amp; industrial machinery power switching\u003c\/div\u003e\n    \u003cdiv class=\"use-item\"\u003eGenerator control panels requiring high-current switching\u003c\/div\u003e\n    \u003cdiv class=\"use-item\"\u003eAny application requiring a robust illuminated 40A panel switch\u003c\/div\u003e\n  \u003c\/div\u003e\n  \u003chr class=\"divider\"\u003e\n  \u003cp class=\"section-title\"\u003eCommon Questions\u003c\/p\u003e\n  \u003cdiv class=\"faq-item\"\u003e\n    \u003cdiv class=\"faq-q\"\u003eWhat size panel cutout do I need?\u003c\/div\u003e\n    \u003cdiv class=\"faq-a\"\u003e30.1–30.6mm wide × 21.9–22.0mm tall — a rectangular cutout, not a round hole. The switch clips in from the front and is secured by the housing clips.\u003c\/div\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"faq-item\"\u003e\n    \u003cdiv class=\"faq-q\"\u003eDoes the lamp need to be wired separately?\u003c\/div\u003e\n    \u003cdiv class=\"faq-a\"\u003eYes — the lamp pins (pins 5 \u0026amp; 6) need to be connected to your supply to illuminate. They are separate from the switching contacts. If you don't need the lamp, simply leave pins 5 \u0026amp; 6 unconnected — the switch will still function normally.\u003c\/div\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"faq-item\"\u003e\n    \u003cdiv class=\"faq-q\"\u003eCan this replace my existing welding machine switch?\u003c\/div\u003e\n    \u003cdiv class=\"faq-a\"\u003eVery likely yes — the KCD4 series is the standard replacement switch used in most inverter welders and MIG machines worldwide. Verify the panel cutout dimensions (30×22mm) and terminal type (6.3mm spade) match your machine before ordering.\u003c\/div\u003e\n  \u003c\/div\u003e\n  \u003chr class=\"divider\"\u003e\n  \u003cp class=\"note\"\u003e\u003cstrong\u003ePlease note:\u003c\/strong\u003e Mains AC voltage (250VAC) — all installation must be carried out by a registered electrician in accordance with NZ wiring standards. Use high-temperature insulated 6.3mm spade connectors. Terminal strength rated ≥80N.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"NZN Electronics","offers":[{"title":"Red","offer_id":42720663437408,"sku":"SW-KCD4-40A-RED","price":9.99,"currency_code":"NZD","in_stock":true},{"title":"Green","offer_id":42720663470176,"sku":"SW-KCD4-40A-GRN","price":9.99,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0664\/6127\/0112\/files\/IMG_4768.jpg?v=1777013123","url":"https:\/\/www.nznelectronics.co.nz\/products\/electric-welding-machine-high-current-boat-type-switch-40a-high-power-rocker-power-supply-kcd4-with-lamp-boat-type-four-leg-red","provider":"NZN Electronics","version":"1.0","type":"link"}