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OS 70 amp ESC (4S-12S)

This is the OCA-170 70A 50V High Voltage Electronic Speed Control from O.S. 
FEATURES: 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)     
INCLUDES: OCA-170 70A 50V Electronic Speed Control with pretinned Motor and   
            Battery Leads, 12" (305mm) Extension Wire, Receiver Connector and 
REQUIRES: 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)                                           
SPECS:    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)

Part Number: OSMM0170
Price:   $139.98