{"title":"Fuses and fuse holders","description":"\u003cp\u003eMIDI, MEGA, MRBF and Class T fuses with the holders to match. Every unfused battery cable is a fire waiting for a chafe point, so fuse the positive as close to the battery as you can physically get it.\u003c\/p\u003e\u003cp\u003eClass T is the one to use on a lithium bank. It has the interrupt capacity to clear a dead short from a battery that can deliver several thousand amps, which a MEGA fuse cannot. MRBF mounts straight onto the battery post, which removes the run of unprotected cable that most installations leave between the battery and the fuse.\u003c\/p\u003e\u003cp\u003eCheck the holder's cable range before you order: the fuse rating and the cable it clamps are two different limits.\u003c\/p\u003e","products":[{"product_id":"class-t-fuse","title":"Class T Fuse (Blue Sea A3T)","description":"\u003cp\u003e\u003cstrong\u003eBlue Sea A3T Class T fuse, 150A.\u003c\/strong\u003e The fuse to use in front of a lithium bank or a large inverter, because it is the only common format with an interrupt capacity high enough for the fault current those sources can deliver.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eInterrupt capacity 20,000A at 125V DC.\u003c\/strong\u003e Extremely fast short circuit response.\u003c\/p\u003e\n\u003cp\u003eStud size 3\/8 inch. Stud torque 0.34Nm.\u003c\/p\u003e\n\u003cp\u003eA MEGA or MIDI fuse in the same position may not clear a lithium bank fault. This is the part that does.\u003c\/p\u003e","brand":"Cut \u0026 Crimp","offers":[{"title":"150A","offer_id":57249098367356,"sku":"CC-CLT-150","price":64.8,"currency_code":"GBP","in_stock":true},{"title":"200A","offer_id":57249098400124,"sku":"CC-CLT-200","price":62.4,"currency_code":"GBP","in_stock":true},{"title":"250A","offer_id":57249098432892,"sku":"CC-CLT-250","price":62.4,"currency_code":"GBP","in_stock":true},{"title":"400A","offer_id":57249098465660,"sku":"CC-CLT-400","price":67.2,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0963\/0164\/6204\/files\/8-25114.jpg?v=1785879645"},{"product_id":"class-t-fuse-block","title":"Class T Fuse Block, Ignition Protected","description":"\u003cp\u003e\u003cstrong\u003eBlue Sea 5007100 Class T fuse block with insulating cover, 110A to 200A.\u003c\/strong\u003e Ignition protected.\u003c\/p\u003e\n\u003cp\u003eFour stud design, so there is room to land large cable lugs without the fuse getting in the way. The insulating cover satisfies ABYC and USCG insulation requirements, and the cover breakouts let cable enter from any direction.\u003c\/p\u003e\n\u003cp\u003eIgnition protection means it can be fitted in a petrol engine space. Most fuse blocks cannot.\u003c\/p\u003e","brand":"Cut \u0026 Crimp","offers":[{"title":"110 to 200A","offer_id":57249099415932,"sku":"CC-CLTB-110200","price":76.8,"currency_code":"GBP","in_stock":true},{"title":"225 to 400A","offer_id":57249099448700,"sku":"CC-CLTB-225400","price":138.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0963\/0164\/6204\/files\/8-25007100.jpg?v=1785879663"},{"product_id":"mrbf-terminal-fuse","title":"MRBF Terminal Fuse","description":"\u003cp\u003e\u003cstrong\u003eBlue Sea MRBF marine rated battery fuse, terminal mount.\u003c\/strong\u003e Bolts straight onto the battery post, which is the neatest way to satisfy the requirement for protection close to the source.\u003c\/p\u003e\n\u003cp\u003eHigh interrupt rating suitable for DC main protection on large battery banks. Clear window gives visual blown indication. Colour coded by rating.\u003c\/p\u003e\n\u003cp\u003eMeets SAE J1171 external ignition protection. IP66, protected against powerful water jets.\u003c\/p\u003e","brand":"Cut \u0026 Crimp","offers":[{"title":"100A","offer_id":57249100497276,"sku":"CC-MRBF-100","price":26.4,"currency_code":"GBP","in_stock":true},{"title":"150A","offer_id":57249100530044,"sku":"CC-MRBF-150","price":26.4,"currency_code":"GBP","in_stock":true},{"title":"200A","offer_id":57249100562812,"sku":"CC-MRBF-200","price":26.4,"currency_code":"GBP","in_stock":true},{"title":"300A","offer_id":57249100595580,"sku":"CC-MRBF-300","price":26.4,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0963\/0164\/6204\/files\/8-25189.jpg?v=1785879681"},{"product_id":"mega-fuse-holder","title":"MEGA Fuse Holder","description":"\u003cp\u003e\u003cstrong\u003eIndividual MEGA strip fuse holder.\u003c\/strong\u003e Takes a single MEGA fuse and is supplied complete with two crimp terminals for the cable.\u003c\/p\u003e\n\u003cp\u003eCable range 10mm² to 20mm². Above that, move to a Class T block or a busbar mounted fuse.\u003c\/p\u003e\n\u003cp\u003eNot ignition protected. Do not fit in a petrol engine space or a gas locker.\u003c\/p\u003e","brand":"Cut \u0026 Crimp","offers":[{"title":"10 to 20mm²","offer_id":57249101087100,"sku":"CC-MEGAH-1020","price":14.34,"currency_code":"GBP","in_stock":true},{"title":"25 to 35mm²","offer_id":57249101119868,"sku":"CC-MEGAH-2535","price":14.34,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0963\/0164\/6204\/files\/8-02431.jpg?v=1785879687"},{"product_id":"mrbf-terminal-fuse-block","title":"MRBF Terminal Fuse Block","description":"\u003cp\u003e\u003cstrong\u003eBlue Sea MRBF terminal fuse block, single stud.\u003c\/strong\u003e Mounts on a 3\/8 inch battery post, battery switch or busbar and carries one MRBF fuse.\u003c\/p\u003e\n\u003cp\u003eIsolated stud design uses standard M8 hardware and allows terminals to be stacked. Weatherproof.\u003c\/p\u003e\n\u003cp\u003eThis is the compact way to get high current protection within the 178mm (7 inch) rule when there is no room for a fuse block.\u003c\/p\u003e","brand":"Cut \u0026 Crimp","offers":[{"title":"Single stud","offer_id":57249101349244,"sku":"CC-MRBFB-1","price":43.2,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0963\/0164\/6204\/files\/8-25191.jpg?v=1785879694"},{"product_id":"midi-fuse-holder","title":"MIDI Fuse Holder","description":"\u003cp\u003e\u003cstrong\u003eIndividual MIDI and strip fuse holder.\u003c\/strong\u003e Cable connections are made with the two protruding nuts and bolts supplied.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCable size:\u003c\/strong\u003e the manufacturer quotes a maximum of 6mm² in the technical description while the product title says 16mm². We have queried this with the supplier. Until it is resolved, treat 6mm² as the safe working limit and phone us if you need more.\u003c\/p\u003e\n\u003cp\u003eNot ignition protected.\u003c\/p\u003e","brand":"Cut \u0026 Crimp","offers":[{"title":"Max 16mm² cable","offer_id":57249101480316,"sku":"CC-MIDIH","price":9.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0963\/0164\/6204\/files\/8-02430.jpg?v=1785879702"},{"product_id":"mega-fuse","title":"MEGA Fuse","description":"\u003cp\u003e\u003cstrong\u003eMEGA strip fuse for main battery and alternator circuits.\u003c\/strong\u003e The standard high current bolt-down fuse for a DC main, rated well beyond what a blade fuse can safely interrupt.\u003c\/p\u003e\n\u003cp\u003eBolt-down fixing on 8mm centres. Fit it in a MEGA holder, not in free air, and always within 180mm of the battery positive terminal unless the run is in conduit.\u003c\/p\u003e\n\u003cp\u003eChoose a rating above the maximum continuous load but below the current rating of the cable protecting it. If you are unsure, the cable rating is the ceiling, not the target.\u003c\/p\u003e","brand":"Cut \u0026 Crimp","offers":[{"title":"100A","offer_id":57249101513084,"sku":"CC-MEGA-100","price":8.34,"currency_code":"GBP","in_stock":true},{"title":"150A","offer_id":57249101545852,"sku":"CC-MEGA-150","price":8.34,"currency_code":"GBP","in_stock":true},{"title":"200A","offer_id":57249101578620,"sku":"CC-MEGA-200","price":8.34,"currency_code":"GBP","in_stock":true},{"title":"250A","offer_id":57249101611388,"sku":"CC-MEGA-250","price":8.34,"currency_code":"GBP","in_stock":true},{"title":"300A","offer_id":57249101644156,"sku":"CC-MEGA-300","price":8.34,"currency_code":"GBP","in_stock":true}]},{"product_id":"midi-fuse","title":"MIDI Fuse","description":"\u003cp\u003e\u003cstrong\u003eMIDI strip fuse for medium current circuits.\u003c\/strong\u003e Suitable for heavy load branch circuits: windlass, thruster, inverter feed and alternator output.\u003c\/p\u003e\n\u003cp\u003eFixing holes suit 5mm studs. Rated 60A in this option.\u003c\/p\u003e\n\u003cp\u003eMIDI is a bolt-down fuse and must be mounted in a holder. Match the rating to the cable, not to the appliance.\u003c\/p\u003e","brand":"Cut \u0026 Crimp","offers":[{"title":"60A","offer_id":57249102135676,"sku":"CC-MIDI-60","price":4.74,"currency_code":"GBP","in_stock":true},{"title":"100A","offer_id":57249102168444,"sku":"CC-MIDI-100","price":4.74,"currency_code":"GBP","in_stock":true},{"title":"150A","offer_id":57249102201212,"sku":"CC-MIDI-150","price":4.74,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0963\/0164\/6204\/files\/8-02403.jpg?v=1785879719"}],"url":"https:\/\/cutandcrimp.co.uk\/collections\/fuses-and-holders.oembed","provider":"Cut \u0026 Crimp","version":"1.0","type":"link"}