{"product_id":"monarch-wk-29-15-amp-250v-or-less-one-time-fuse-copy","title":"Monarch ON400 400 Amp 250 VAC or Less One-Time Fuse","description":"\u003cp\u003eThe Monarch ON400 is a 400 amp one-time fuse designed for circuits rated 250 VAC or less. Built for reliable overcurrent protection, this fuse interrupts circuit flow when amperage exceeds safe limits, preventing equipment damage and electrical hazards. Its one-time design means it must be replaced after operation. Ideal for industrial and commercial electrical systems requiring heavy-duty protection. UL listed for safety and performance standards compliance.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMonarch\u003c\/li\u003e\n\u003cli\u003eON400\u003c\/li\u003e\n\u003cli\u003eOne Time Fuse\u003c\/li\u003e\n\u003cli\u003e400 Amp\u003c\/li\u003e\n\u003cli\u003e250 VAC or Less\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Monarch","offers":[{"title":"Used","offer_id":47965037723906,"sku":"06082611J","price":21.23,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0142\/4909\/9322\/files\/PhotoJun082026_125211PM.jpg?v=1780937740","url":"https:\/\/www.sselectricalsupply.com\/en-ca\/products\/monarch-wk-29-15-amp-250v-or-less-one-time-fuse-copy","provider":"S\u0026S Electrical Supply","version":"1.0","type":"link"}