{"product_id":"car-high-current-audio-fuse-20a-30a-40a-50a-60a-70a-80a-100a-120a-150a-200a-250a-300a-circuit-breaker-flat-head-tubular-overcurrent-protector-for-automotive-use-with-m6-terminal","title":"Car High Current Audio Fuse 20A 30A 40A 50A 60A 70A 80A 100A 120A 150A 200A 250A 300A Circuit Breaker Flat Head Tubular Overcurrent Protector for Automotive Use with M6 Terminal","description":"\u003ch1\u003eCar High Current Audio Fuse – 20A to 300A Flat Head Tubular Circuit Breaker with M6 Terminal\u003c\/h1\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"Car high current audio fuse circuit breaker flat head tubular with M6 terminal 20-300A\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US12\/3258\/2025-10-16\/original-image\/118949ad-20b0-4a26-a1d5-9fe5c5180071_trans.webp\"\u003e\u003c\/div\u003e\u003cp\u003eThis car high current audio fuse circuit breaker provides essential overcurrent protection for automotive electrical systems. Whether you are upgrading a car audio system, repairing a vehicle wiring harness, or installing auxiliary circuits, selecting the correct current rating is crucial to prevent damage from excess current. The range covers 20A, 30A, 40A, 50A, 60A, 70A, 80A, 100A, 120A, 150A, 200A, 250A, and 300A, giving you flexibility to match your circuit requirements. Each unit features a flat head tubular shape with a carbon steel blue and white zinc head and a 16-copper tube terminal fitted with an M6 copper flat pad for secure connections. The breaker can be ordered with or without matching accessories (CB5 type) for different mounting setups.\u003c\/p\u003e\u003ch2\u003eFeatures and Construction\u003c\/h2\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"Car high current audio fuse circuit breaker flat head tubular with M6 terminal 20-300A\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US12\/3258\/2025-10-16\/original-image\/155a6a49-5618-4b46-b5e0-333fd6b333fc_trans.webp\"\u003e\u003c\/div\u003e\u003cp\u003eThe circuit breaker is built from common materials used in automotive electrical components. Understanding the construction helps you decide if it fits your application.\u003c\/p\u003e\u003ch3\u003eMaterial and Build\u003c\/h3\u003e\u003cp\u003eThe head is made from carbon steel with a blue and white zinc coating, which provides basic corrosion resistance. The terminal is a 16-copper tube with a copper flat pad (M6X12X1). The flat head tubular shape allows for straightforward push-in or screw-fastened installation in fuse holders or breaker panels.\u003c\/p\u003e\u003ch3\u003eSize and Practical Fit\u003c\/h3\u003e\u003cp\u003eHead dimensions are KA4*25X7 (approximately 25mm length, 7mm diameter per typical KA4 sizing). The terminal pad uses an M6 thread (6mm) with a 12mm long copper pad and 1mm pitch. This size is common in automotive fuse blocks and power distribution points.\u003c\/p\u003e\u003ch2\u003eUses and Placement\u003c\/h2\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"Car high current audio fuse circuit breaker flat head tubular with M6 terminal 20-300A\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US12\/3258\/2025-10-16\/original-image\/3b11caf3-34c7-4239-b5b9-a71075e0baca_trans.webp\"\u003e\u003c\/div\u003e\u003cp\u003eThis circuit breaker is intended for automotive circuits requiring resettable overcurrent protection up to 300A. It suits high-current applications such as audio amplifiers, inverter feeds, or main battery fusing.\u003c\/p\u003e\u003ch3\u003eCar Audio Systems\u003c\/h3\u003e\u003cp\u003eFor car audio installations drawing high current, a properly rated circuit breaker protects the amplifier and wiring from short circuits. The resettable feature avoids the need to replace blown fuses during troubleshooting.\u003c\/p\u003e\u003ch3\u003eGeneral Automotive Wiring\u003c\/h3\u003e\u003cp\u003eUse as a main circuit breaker for auxiliary battery banks, lighting upgrades, or winch systems where intermittent high current is expected. The flat head and M6 terminal fit many aftermarket fuse holders.\u003c\/p\u003e\u003ch2\u003eBenefits and Buying Value\u003c\/h2\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"Car high current audio fuse circuit breaker flat head tubular with M6 terminal 20-300A\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US12\/3258\/2025-10-16\/original-image\/40b113e7-74cb-4599-bff9-8a830b845c74_trans.webp\"\u003e\u003c\/div\u003e\u003cp\u003eSelecting the correct amperage and matching accessories ensures reliable protection without nuisance tripping.\u003c\/p\u003e\u003ch3\u003eReuse and Low Maintenance\u003c\/h3\u003e\u003cp\u003eUnlike glass fuses that must be replaced after a fault, this circuit breaker can be reset manually (if using the resettable type). This saves time and the cost of spare fuses.\u003c\/p\u003e\u003ch3\u003eWhy Choose This Product\u003c\/h3\u003e\u003cp\u003eWith a broad current range from 20A to 300A and the option to include accessories, you can tailor the breaker to your exact circuit. The flat head tubular design and M6 terminal are standard sizes that fit many existing automotive fuse blocks.\u003c\/p\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"Car high current audio fuse circuit breaker flat head tubular with M6 terminal 20-300A\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US12\/3258\/2025-10-16\/original-image\/4637645d-91f3-4baa-982f-4634d987ef8d_trans.webp\"\u003e\u003c\/div\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"Car high current audio fuse circuit breaker flat head tubular with M6 terminal 20-300A\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US12\/3258\/2025-10-16\/original-image\/599017ec-0775-4cdc-b9ae-0c57b5eb36c4_trans.webp\"\u003e\u003c\/div\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"Car high current audio fuse circuit breaker flat head tubular with M6 terminal 20-300A\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US12\/3258\/2025-10-16\/original-image\/65104c45-afd6-45fa-a0bb-3f1f6c5b16bb_fine.webp\"\u003e\u003c\/div\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"Car high current audio fuse circuit breaker flat head tubular with M6 terminal 20-300A\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US12\/3258\/2025-10-16\/original-image\/6dd795e3-ff5d-4616-9c30-f17611769b68.webp\"\u003e\u003c\/div\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"Car high current audio fuse circuit breaker flat head tubular with M6 terminal 20-300A\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US12\/3258\/2025-10-16\/original-image\/765c2669-9bf6-42a9-aa60-e9169198b8d0_trans.webp\"\u003e\u003c\/div\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"Car high current audio fuse circuit breaker flat head tubular with M6 terminal 20-300A\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US12\/3258\/2025-10-16\/original-image\/9ce2fde7-7d93-4175-9e26-bb1dc4d47f90_trans.webp\"\u003e\u003c\/div\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"Car high current audio fuse circuit breaker flat head tubular with M6 terminal 20-300A\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US12\/3258\/2025-10-16\/original-image\/9dda034e-812d-42c0-90a3-dc33b1af0145_trans.webp\"\u003e\u003c\/div\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"Car high current audio fuse circuit breaker flat head tubular with M6 terminal 20-300A\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US12\/3258\/2025-10-16\/original-image\/bf39ddff-3ba0-4795-9915-c102a3bc5526_trans.webp\"\u003e\u003c\/div\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"Car high current audio fuse circuit breaker flat head tubular with M6 terminal 20-300A\" 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