The Narva 54478 Midi Fuse block is the ideal option for a common connection point for multiple appliance connection. 

Options for how to use the Narva Fuse Block

Option 1

• Connect main positive lead from battery source to the Narva junction box via entry point #1 (entry point can use max cable gauge up to 0B&S)
• Fuse point #1 with MASTER fuse - MEGA fuse 250A
• Fuse all remaining points #2 ~ # 8 with appropriate size Midi Fuses / ANS to protect each appliance (overall max rating of Midi fuses 450A) 
• This option includes a Master fuse (MEGA fuse) and adds extra protection via each Midi Fuse installed for each individual appliance line. 

 

Option 2

• Connect main positive lead from battery source to the Narva junction box via entry point #1 (entry point can use max cable gauge up to 0B&S)
• Leave #1 with no fuse fitted but leave bridge bar connected
• Fuse all remaining points #2 ~ # 8 with appropriate size Midi Fuses / ANS to protect each appliance (overall max rating of Midi Fuses 450A) 
• This option will use each Midi Fuse installed for protection of all appliances together as one

 

Option 3

• Connect main positive lead from battery source to the Narva junction box via entry point #1 (max cable gauge suits up to 0B&S)
• You may choose to fuse #1 with a MEGA fuse (max rating to 250A) and use all remaining points #2 ~ # 8 as outlets to appliances without additional fuses fitted 
• This option will only fuse the MEGA fuse as a master fuse for protection of all appliances together as one. 

Features

Fuse box has slot to suit 1 x MEGA fuse / ANM Fuse - Max rating 250A

Fuse box has slots to suit 7 x Midi Fuses (ANS / MIDI) - Total Max rating 450A

All studs are 8mm bolts M8  (4B&S cable will suit CL-25-8 lugs)

Main input entry point will suit up to 49mm (0B&S cable) #1 and #8 connection

All other entry points will suit up to 20mm (4B&S cable) #2 #3 #4 #5 #6 #7

 

Dimensions

Length:	165mm from mounting hole to mounting hole
Overall Length:	190mm from end to end
Height:	110mm
Depth:	36mm

 

All Narva fuse holders are made from premium materials.