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O.S. - OSMM0170 OSM52012070 52012070 531028500143 4531028500143
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O.S. OCA-170HV 70Amp 50V ESC
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O.S. OCA-170HV 70Amp 50V ESC
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On-line Videos: Video 1 (25.9 MB) Video 2 (YOUTUBE)
Instruction Manuals: Manual 1 (5.8 MB)
Parts Saver Eligible:Yes
Tower Catalog Page: 63

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O.S. OCA-170HV 70Amp 50V ESC Add to Wish List
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Tech Notes
This is the OCA-170 70A 50V High Voltage Electronic Speed Control from O.S.


For airplane usage
Low voltage cut-off stops motor before control is lost and cells are
Battery type and cell number recognition
Start protection guards against involuntary starting of motor
No signal cut-off switches ESC off when transmitter signal is not
Anti spark function reduces sparking when connecting power battery
Extension wire for O.S OCP Programmer (programmer not included)


OCA-170 70A 50V Electronic Speed Control with pretinned Motor and
Battery Leads, 12" (305mm) Extension Wire, Receiver Connector and


Brushless motor such as the O.S. OMA-3825-750 OSMG9530 and the
OMA-5020-490, OSMG9540
Battery connectors of modeler's choice (O.S. motors listed above
include ESC connectors)
Will need to use a receiver battery with this ESC. No BEC


Cell Handling Capability: 14-36 NiCd/NiMH, 4-12 LiPo
Function: Forward-Stop-Brake-Reverse
Peak Load Current: 70A (85A 5 seconds)
PWM Frequency: 32kHz
Protective Function: Start protection/Low Voltage/ No Signal cut-off/
Overheat protection
Parameter Setting: ESC/ESC Programmer OCP-1 (optional extra)
Dimensions: 3.1 x 1.1 x 0.55" (78 x 29 x 14mm)
Weight: 3.1oz (89g)

jxs 01/04/12
updated jpg 9/5/12

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