Description
1-In 4-Out Fused Distribution BlockThe Roswell 3-in 4-out distribution block is everything a boat’s audio system needs. Roswell distribution blocks are machined out of nickel to provide rock-solid electrical connections and are protected by strong, injection-molded plastic covers. They are designed to accept both ANL and Mini ANL fuses for additional versatility and feature machined nickel inserts to accommodate multiple sizes of wire.Features:
- Fused style distribution block
- (3) 1/0 input with a 4 AWG reducer
- High-impact plastic base and cover
- (4) 4 AWG outputs with 8 AWG reducers
Dimensions:
- Length: 4.00 inches (10.16 cm)
- Width: 3.25 inches (7.62cm)
- Height: 1.3125 inches (3.33 cm)
View AllClose

![Roswell 1-In 4-Out Fused Distribution Block [C720-0542]](https://www.bestmarinebattery.com/wp-content/uploads/2026/08/roswell-1-in-4-out-fused-distribution-block-c720-0542.webp)
![Tigress XD Crank Top Mount System - 18 - Silver Outriggers Pro Series Double Rigging Kit [88825-2]](https://www.bestmarinebattery.com/wp-content/uploads/2026/08/tigress-xd-crank-top-mount-system-18-silver-outriggers-pro-series-double-rigging.webp)

![SchmittOngaro Ongaro Wheel – 15.5″ f/3/4″ Teleflex Tapered Shaft [50002]](https://www.bestmarinebattery.com/wp-content/uploads/2026/08/schmittongaro-ongaro-wheel-15-5-f-3-4-teleflex-tapered-shaft-50002.webp)


![Safe-T-Alert 30 Series 12V RV Propane Alarm – Black [30-442-P-BL]](https://www.bestmarinebattery.com/wp-content/uploads/2026/08/safe-t-alert-30-series-12v-rv-propane-alarm-black-30-442-p-bl.webp)

![ARCO Marine Zeus A275L Vortec Alternator w/Regulator [4034]](https://www.bestmarinebattery.com/wp-content/uploads/2026/08/arco-marine-zeus-a275l-vortec-alternator-w-regulator-4034.webp)