ORIGINAL: MicroDat
That switch is only good for5 amps, I know 8411's with8611's will draw more than 5 amps.
it's good for 5 amp continuous, 12 amp bursts and the Flash was designed to use it and the 8411s.
if you'll read the manual these are direct quotes:
From the Accessories section:
This is a list of the main additional items you will need to get your Composite-ARF FLASH into
the air. Some of them are mandatory, and some can be chosen by you. What we list here are
highly recommended items, and have been thoroughly tested.
1. Power servos (min. 7). All main flight surfaces require a minimum 8kg digital servo, such
as the excellent JR 8311/8411, and these are what the Flash was designed for. The
Futaba S9351 is an alternative for the ailerons, flaps and rudder. See list below.
6. Powerbox Sensor switch. A highly recommended item which combines 2 voltage regula
tors with 2 separate electronic switches for connecting 2 separate batteries to your
receiver. Available from C-ARF as an option. Product # 960600.
and page 11 from the sensor switch manual: