EMAX ES9254 Ⅱ Digital Magnetic Encoder Metal Servo for RC Helicopter

Product Overview Built for RC helicopter control, the EMAX ES9254 Ⅱ combines a contactless magnetic encoder, digital control, a coreless brushed motor, and a full metal gear and housing design…

Specifications

Product Overview Built for RC helicopter control, the EMAX ES9254 Ⅱ combines a contactless magnetic encoder, digital control, a coreless brushed motor, and a full metal gear and housing design for responsive and precise operation. The magnetic encoder provides less than 2 ° angle error and up to 360 ° effective control, helping deliver accurate position feedback during flight. Its dedicated RC chip is designed for fast response, with a response speed about twice that of conventional chips. With a 25T output spline, ES9254 Ⅱ is designed for RC helicopters and offers speed up to 0.035 sec/60 ° at 8.4V, with torque up to 7.5 kg.cm. The IP67 protection rating, metal gears, and metal housing provide added protection for outdoor flying conditions. Its compact 40 × 20 × 38.5 mm body weighs 72g and supports 6.0V to 8.4V input. Feature Magnetic Encoder: Contactless sensing with less than 2 ° angle error 360 ° Effective Control: Precise position control across a wide operating range Fast Response: Dedicated RC chip designed for faster response 25T Output Spline: Designed for RC helicopter applications High Speed: Up to 0.035 sec/60 ° at 8.4V Torque: Up to 7.5 kg.cm at 8.4V Metal Construction: Metal gears and metal housing IP67 Protection: Designed for outdoor RC use Voltage: 6.0V to 8.4V Weight: 72g Dimensions: 40 × 20 × 38.5 mm A compact digital servo designed for RC helicopter pilots who value fast response, accurate control, and durable construction. Specification s Specification ES9254Ⅱ Product Type Magnetic Encoder / Brushed / Digital / Metal Servo Operating Voltage 6.08.4V Speed(6.0 / 7.4 / 8.4V) 0.05 / 0.04 / 0.035 sec/60° Stall Torque(6.0 / 7.4 / 8.4V) 5.0 / 6.5 / 7.5 kgf·cm Stall Current 3.5A / 4.3A / 5.0A Max Net Weight 72 ±1g Dimensions See product drawing Rotation Angle 360° Storage temperature Range -30℃~70℃ Operating temperature Range -20℃~60℃ Running current(at no load) 1200mA / 1500mA /1800mA Max Idle Current 11.5mA Connector wire gauge JR 3P Connector wire length 300±8 Flower head 25T Bearing 2BB Gear type metal Package List 1 × Servo Unit Servo Horns & Mounting Hardware Kit User Instruction Manual FAQ Q: What is the EMAX ES9254 Ⅱ servo designed for? A: The EMAX ES9254 Ⅱ is a digital magnetic encoder servo designed specifically for RC helicopters . It uses a 25T output spline, a coreless brushed motor, and a dedicated RC chip for responsive helicopter control. Its focus is fast response, precise position feedback, and stable control. Q: What are the benefits of the magnetic encoder in the ES9254 Ⅱ? A: The ES9254 Ⅱ uses a contactless magnetic encoder with angle error within 2° and up to 360° effective control . Because the sensing system does not rely on traditional mechanical contact, it provides precise position feedback while reducing mechanical wear. Q: How fast is the ES9254 Ⅱ RC helicopter servo? A: At 8.4V , the ES9254 Ⅱ reaches a speed of 0.035 sec/60° , with torque up to 7.5 kg.cm . It also uses a dedicated RC chip designed for faster response, making it suitable for RC helicopter applications where responsive control is important. Q: Is the ES9254 Ⅱ servo durable and suitable for outdoor flying? A: Yes. The ES9254 Ⅱ features metal gears, a metal housing, and IP67 protection . The IP67 rating provides protection against dust and water, making the servo suitable for outdoor RC helicopter use and changing flying conditions. Q: What voltage does the ES9254 Ⅱ support? A: The ES9254 Ⅱ supports 6.0V to 8.4V input . At 6.0V, it provides 0.05 sec/60° speed and 5 kg.cm torque . At 8.4V, it reaches 0.035 sec/60° and 7.5 kg.cm . The servo weighs 72g and measures 40 × 20 × 38.5 mm .