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Specification: 

 

Type  

 
PN#Model 

Cont.\Burst 
Current(A) 

Battery cell 
NiXX/Lipo  

Weight 

(g) 

BEC 

Output 

Size (mm) 
W*L*H 

User 
Progra

A-ZTW3A BEC 

ZTW12003 

3A\5A 

3-10 NC \ 1-3 Lipo 

2.5 

5V / 1A 

11 x 17 x 4 

yes 

A-ZTW6A BEC 

ZTW12006 

6A\8A 

5-10 NC \ 2-3 Lipo 

5V / 1A 

13 x 21 x 4 

yes 

A-ZTW8A BEC 

ZTW12008 

8A\10A 

5-12 NC \ 2-4 Lipo 

5V / 1A 

21 x 22 x 4 

yes 

A-ZTW10A BEC 

ZTW12010 

10A\12A 

5-12 NC \ 2-4 Lipo 

5V / 1A 

21 x 22 x 4 

yes 

A-ZTW12A BEC 

ZTW12012 

12A\16A 

5-12 NC \ 2-4 Lipo 

5V / 1A 

21 x 22 x 4 

yes

 

A-ZTW20A BEC 

ZTW12020 

20A\30A 

5-12 NC \ 2-4 Lipo 

18 

5V / 2A 

23 x 33 x 6 

yes

 

A-ZTW25A BEC 

ZTW12025 

25A\35A 

5-12 NC \ 2-4 Lipo 

20 

5V / 2A 

23 x 33 x 6 

yes 

A-ZTW30A BEC 

ZTW12030 

30A\40A 

5-12 NC \ 2-4 Lipo 

28 

5V / 3A 

23 x 43 x 6 

yes 

A-ZTW40A SBEC 

ZTW12040 

40A\60A 

5-18NC \ 2-6 Lipo 

32 

5.5V/ 4A 

23 x 52 x 7 

yes

 

A-ZTW50A SBEC 

ZTW12050 

50A\70A 

5-18NC \ 2-6 Lipo 

32 

5.5V/ 4A 

23 x 52 x 7 

yes

 

A-ZTW60A SBEC 

ZTW12060 

60A\80A 

5-18NC \ 2-6 Lipo 

44 

5.5V/ 4A  23 x 52 x 14 

yes

 

A-ZTW70A SBEC 

ZTW12070 

  70A\90A 

5-18NC \ 2-6 Lipo 

48 

5.5V/ 4A  23 x 52 x 14 

yes 

A-ZTW85A SBEC 

ZTW12085 

85A\100A 

5-18NC \ 2-6 Lipo 

60 

5.5V/ 4A  34 x 52 x 14 

yes

 

A-ZTW110A SBEC 

ZTW12110 

110A\120A 

5-18 NC \ 2-6 Lipo 

86 

5.5V/ 4A 

34 x 52 x 20 

yes

 

A-ZTW100A OPTO HV 

ZTW12100 

100A\120A 

18-38NC\6-12Lipo 

76 

     

34 x 52 x 20 

yes

 

 

ZTW A-Series ESC’s Features: 

      Extremely low internal resistance 

      Super smooth and accurate throttle linearity 

      Safety thermal over-load protection 

      Auto throttle shut down in signal lose situation 

      Supports high RPM motors 

      Power arming protection (prevents the motor from accidentally running when switched ON) 

      New Advanced programming software 

 

ZTW A-Series’s ESC allows you to program all functions to fit your specific needs, which 
makes it very efficient and user friendly: 

1.User programmable brake setting (we recommend using brake for only folding props applications) 
2.User programmable battery type(LiPo or NiCd/NiMh) 
3.User programmable low voltage cutoff setting 
4.User programmable factory default setup restore     
5.User programmable timing settings (to enhance ESC efficiency and smoothness) 
6.User programmable soft acceleration start ups (for delicate gearbox and helicopter applications) 
7.User programmable governor mode (for helicopter applications) 
8.User programmable motor rotation(clockwise\counterclockwise) 
9.User programmable switching frequency 
10.User programmable low voltage cutoff type (power reduction or immediate shutdown) 

Summary of Contents for 95A251

Page 1: ...r Brushless Motor RC SYSTEM 4 Channel 686mm 27 inches Vertical Tail left Horizontal Tail left 95A251 05 Fuselage Part List Main Wing left 95A251 02 95A251 01 95A251 11 95A251 04 95A251 12 Motor Nose Cone 95A251 08 Landing Gear 95A251 10 95A251 07 95A251 06 95A251 13 9g Servo 150mm 95A251 14 9g Servo 300mm 95A251 09 Ducted Fan with motor ESC Airfield RC airfieldrc Do not over discharge Lipo doing s...

Page 2: ...SBEC ZTW12110 110A 120A 5 18 NC 2 6 Lipo 86 5 5V 4A 34 x 52 x 20 yes A ZTW100A OPTO HV ZTW12100 100A 120A 18 38NC 6 12Lipo 76 34 x 52 x 20 yes ZTW A Series ESC s Features Extremely low internal resistance Super smooth and accurate throttle linearity Safety thermal over load protection Auto throttle shut down in signal lose situation Supports high RPM motors Power arming protection prevents the mot...

Page 3: ... Low 9 0V Med 9 6V High 2 For Ni xx packs low medium high cutoff voltages are 50 60 65 of the initial voltage of the battery pack For example A fully charged 6 cell NiMh pack s voltage is 1 44V x 6 8 64V when LOW cutoff voltage is set the cutoff voltage is 8 64V x 50 4 3V and when Medium of High is set the cutoff voltage is now 8 64V X 65 5 61V 4 Restore factory setup defaults Restore Sets the ESC...

Page 4: ...at settings they were previously set 8 Motor Rotation Forward Reverse In most cases motor rotation is usually reversed by swapping two motor wires However in cases where the motor cables have been directly soldered the ESC cables motor rotation can be reversed by changing the value of setting on the ESC 9 Switching Frequency 8kHz 16kHz 8kHz Sets ESC switching frequency for 2 pole motors e g in run...

Page 5: ... ZTW ESC features Automatic Throttle Calibration to attain the smoothest throttle response and resolution throughout the entire throttle range of your transmitter This step is done once to allow the ESC to learn and memorize your Transmitter s throttle output signals and only repeated if you change your transmitter 1 Switch your Transmitter ON and set the throttle stick to its maximum position 2 C...

Page 6: ... for cooling This ESC has a built in over temperature cutoff protection feature that will immediately cut power to the motor once the ESC temperature exceeds the 230 Deg F 110 Deg C high temperature limit Use only batteries that are supported by the ESC and ensure the correct polarity before connecting Switch your Transmitter ON and ensure the throttle stick is in the minimum position before conne...

Page 7: ...e minimum position Motor doesn t work after powering up the ESC ESC emits two audible tones followed by short beeps Reversed throttle channel caused the ESC to enter the programming mode Enter the servo reverse menu on your transmitter and reverse the throttle channel Note For Futaba radios set the throttle channel to Reverse Motor runs in reverse rotation Wrong cables polarity between the ESC and...

Page 8: ...on the ground to verify recurrence If the problem persists test the operation of the ESC at a different flying field Inadequate Ventilation Relocate the ESC to allow better ventilation Servos drawing too much current and over loading the ESC Use servos that are adequately sized for the ESC The maximum BEC current drawn should be within the BEC limits Over sized motor or prop Reduce Prop size or re...

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