BRP-Rotax
INSTALLATION MANUAL
I [m]
I [ft]
A
min.
[mm
2
]
A
min.
[in
2
]
A
max.
[mm
2
]
A
max.
[in
2
]
AWG
min.
9<I<9.5 29.5<I<31.2 48.469 0.075 70 0.109 0
9.5<I<10 31.2<I<32.8 51.02 0.079 70 0.109 0
The internal resistance of the battery and the resistance of the electrical system (wires,
contact points, relay contacts) largely determine the performance of the starting system.
Therefore, the total loop resistance (RS
max
) may not exceed 0.015 Ω.
R
Smax
= Ʃ R = R
iBatt
+R
C Starter relay
+R
L
+ R
Other
Symbol
Description
R
iBatt
Inner resistance of battery
R
C Starter Relay
Contact resistance starter relay
R
L
Line resistance
R
Other
Any other resistor (e.g. Master relay, contact resistance...)
80–00–00
Page 8
December 01 2023
Effectivity: 916 i A / C24
Edition 0/Rev. 1