INSTALLATION | Installation of SPMC models
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Doc #OI0003 Part #004122 Rev 04 2010
Battery Cabling Requirements
Minimum Recommended Copper Battery Cable Sizes
Fusing
Recommended Battery Fuse Sizes
Total distance of one
conductor from the
SP PRO to the battery
terminals
Minimum Size Copper Battery Cables based on cable loss < 2%
( V-75, V90 OR V-90HT INSULATION )
SPMC 240
SPMC 241
SPMC 481
SPMC 482
< 2 m
50 mm
2
70 mm
2
50 mm
2
50 mm
2
2 - 5 m
70 mm
2
50 mm
2
x 2
50 mm
2
70 mm
2
5 - 10 m
Note 1
Note 1
70 mm
2
70 mm
2
x 2
> 10 m
Note 1
Note 1
Note 1
Note 1
Note 1: This cable length/product combination is not recommended.
Note 2: V-75, V90 or V-90HT insulated cables are required to be spaced apart by at least the diameter
of the cable. For cables with higher grade insulation, no spacing is required.
Product
SPMC 240
SPMC 241
SPMC 481
SPMC 482
Battery Fuse Rating
(A)
250
250
160
250
The DC Breaking Capacity (normally specified in kA at a maximum DC voltage) of the fuse must
be greater than the maximum DC Short Circuit current for the sites connect battery system.