The product standard of ESC
Standard
（
A
）
sust
ained
current
(10s)
（
A
）
max
instantane
ous
current
(V/A)
Output
BEC
BEC
mode
Number
of
battery/lit
hium
battery
Number
of
battery/ni
ckel-
hydrogen
battery
mm
Size(width*len
gth*height)
g
weight
HK20A UBEC
20A
25A
5.5V/3A-
1A
SBEC/
UBEC
2-4Lipo
5-12NC
54*26*11
30
HK3A UBEC
30A
40A
5.5V/3A-
1A
SBEC/
UBEC
2-4Lipo
5-12NC
54*26*11
32
Notice:
1
）
The ESC with SBEC supply steering engine with switching power. The output voltage is 5.5V. The
load current of steering engine is 4A. At the moment of 2 seconds can reach 8A.
2
）
The ESC with UBEC supply steering engine with linear power. The output voltage is 5.5v. The load
current is 1A.
3
）
OPTO means that there is no BEC inside ESC. The steering engine and receiver shall be supplied
with power separately.
4
）
Customized BEC can be made according to customers’ requirements.
5
）
Customized ESC can be made according to customers’ requirements.
II. The introduction of the connection in the ESC
In order to avoid short circuit and leakage, the joint are connected by thermal shrinkable pipe to ensure
insulation.
Battery Pack Black Red White Motor
III. The function of electric speed controller for brushless motor
1. Reset to factory default
2. Battery types set(Lipo or NiMh/NiCd)
3. Brake set (yes/no)