12 pages

Car Amplifier Fuse Size by RMS Power

Pick your amplifier power. Each page gives the current draw, the correct fuse for every conductor size, and the reason the fuse protects the wire rather than the equipment.

• 150 watt amp A 150 watt RMS class D amplifier draws about 13 amps, which takes a 30 amp fuse on 8 gauge wire, fitted within 18 inches of the ba
• 250 watt amp A 250 watt RMS class D amplifier draws about 21.7 amps, which takes a 30 amp fuse on 8 gauge wire, fitted within 18 inches of the
• 300 watt amp A 300 watt RMS class D amplifier draws about 26 amps, which takes a 30 amp fuse on 8 gauge wire, fitted within 18 inches of the ba
• 500 watt amp A 500 watt RMS class D amplifier draws about 43.4 amps, which takes a 50 amp fuse on 8 gauge wire, fitted within 18 inches of the
• 600 watt amp A 600 watt RMS class D amplifier draws about 52.1 amps, which takes a 60 amp fuse on 6 gauge wire, fitted within 18 inches of the
• 750 watt amp A 750 watt RMS class D amplifier draws about 65.1 amps, which takes a 80 amp fuse on 4 gauge wire, fitted within 18 inches of the
• 1,000 watt amp A 1,000 watt RMS class D amplifier draws about 86.8 amps, which takes a 100 amp fuse on 2 gauge wire, fitted within 18 inches of t
• 1,200 watt amp A 1,200 watt RMS class D amplifier draws about 104.2 amps, which takes a larger fuse on 2 gauge wire, fitted within 18 inches of t
• 1,500 watt amp A 1,500 watt RMS class D amplifier draws about 130.2 amps, which takes a 150 amp fuse on 1/0 gauge wire, fitted within 18 inches o
• 2,000 watt amp A 2,000 watt RMS class D amplifier draws about 173.6 amps, which takes a 175 amp fuse on 2/0 gauge wire, fitted within 18 inches o
• 2,500 watt amp A 2,500 watt RMS class D amplifier draws about 217 amps, which takes a larger fuse on 4/0 gauge wire, fitted within 18 inches of t
• 3,000 watt amp A 3,000 watt RMS class D amplifier draws about 260.4 amps, which takes a larger fuse on a larger gauge wire, fitted within 18 inch