Rozum FMI852001

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Technical Specifications

Last Updated: 2026-10-26

Identity
Brand
Product Number	FMI852001
Category	Robotics
Performance
Torque	48.0V368.20 oz-inBelow Average
Speed	48.0V0.00 sec/60°Top 10%
Stall Current	≤26 ABelow Average
Rated Output Power	405.0 W
Physical
Weight	16.05 ozAverage
Shape	Cylindrical
Dimensions	L 1.26 in W — H — ∅ 2.95 in
Drivetrain
Motor Type	Brushless
Control & Signal
Control System	PWM
Electrical & Environment
Operating Voltage	48–48 V
Power Source	External
Temperature	0–35 °C
Certification	EAC
Connectivity
Wire Length	200 mm

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Compatible Hardware

Amazon eBay

*Based on known specs.

Class Comparison

Torque	Below Average Stronger than 22% of 52 Custom servos at 48.0V
Speed	Top 10% Faster than 95% of 61 Custom servos at 48.0V
Weight	Average Lighter than 56% of 74 Custom servos
Stall Current	Below Average Lower draw than 25% of 66 Custom servos

Performance Analysis

Shaft Power	296.00 W
Power Density	26.944 W/in³ 3rd-highest power density of 26 Custom servos
Torque Density	0.8092 oz-in/g Stronger than 16% of 52 Custom servos
Torque-to-Volume Ratio	33.52 oz-in/in³ Denser torque than 20% of 41 Custom servos
Speed-to-Weight	0.95557 (1/sec·g) Faster than 87% of 61 Custom servos
Speed-Torque Trade-off	0.85 Better balanced than 12% of 52 Custom servos
Current-per-Torque Ratio	0.0706 A/oz-in More efficient than 16% of 45 Custom servos
Voltage Range Width	0.0 V Wider voltage range than 0% of 74 Custom servos