Brushless DC Motors
from ElectroCraft

ElectroCraft BLDC motors stand out for their innovative designs through a combination of advanced engineering and application-focused customization. Our brushless technology delivers exceptionally high torque density in compact packages, quick acceleration, and ultra-smooth motion. ElectroCraft BLDC motors are a preferred choice in robotics, medical devices, lab equipment, industrial automation, military & defense applications, and more.

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ElectroCraft Brushless DC Motors (BLDC) are designed for high performance. Rapid Power and Rapid Power Plus BLDC motors have an efficient, compact design, with high torque density defined by high torque relative to frame size. Please view our base product families, and don’t hesitate to contact our BLDC application engineers for questions regarding your BLDC motor needs. ElectroCraft specializes in developing custom solution for the most demanding motion control projects. In addition to our BLDC product line up, please visit our Handbook and Application Guide for High Performance Brushless Motors. ◂ less
Highly Efficient and Durable
Superior power-to-weight ratios and efficiency without compromising durability or precision.
Premium materials
High-energy neodymium magnets, precision bearing systems, and robust hall-effect feedback ensure reliable performance across extreme environments.
Customizable
ElectroCraft BLDC motors can be customized to meet exact OEM requirements. Shaft dimensions and features, winding voltages, performance characteristics, feedback devices, mounting methods, protection ratings, and more can be custom tailored for the application.

RPX Brushless DC Servo Motors

Peak Torque 35 to 3,151 mNm (5 to 446 oz-in)
The ElectroCraft RapidPower™ Xtreme (RPX) series is a family of compact, lightweight, high-performance motors with class-leading peak and continuous torque ratings. High pole counts per frame size with high-energy neodymium magnets and encapsulated cores provide the highest torque density possible while delivering optimal thermal characteristics and energy efficiency. Built-in hall sensors for commutation and optional encoder feedback allow for precise control of motor speed and position. The RPX is Ideal for embedded applications. more ▸
The RPX series stands out by enabling equipment downsizing with up to 25% higher efficiency and nearly 40% smaller footprints compared to conventional BLDC designs, translating to significant cost savings, reduced heat generation, and enhanced reliability in demanding environments. Its high torque density and modular, fully customizable design— including integrated hall sensors, optional encoders, and compatibility with advanced drives—accelerates time-to-market and supports diverse applications from surgical robots to precision pumps. Overall, the RPX delivers superior power-to-weight ratios, energy efficiency, and durability, providing engineers with a versatile solution that boosts performance without compromising on compactness or budget. ◂ less
Frame Size
Peak Torque

RPX16 16.25 mm Brushless DC Motors

Frame Size 16.25 mm (0.640 in)
Peak Torque 35 mNm (5 oz-in)

RPX22 22 mm Brushless DC Motors

Frame Size 22 mm (0.866 in)
Peak Torque 93 mNm (13 oz-in)

RPX32 32 mm Brushless DC Motors

Frame Size 32 mm (1.260 in)
Peak Torque 437 mNm (62 oz-in)

RPX40 40 mm Brushless DC Motors

Frame Size 40 mm (1.575 in)
Peak Torque 989 mNm (140 oz-in)

RPX52 52 mm Brushless DC Motors

Frame Size 52 mm (2.047 in)
Peak Torque 3,151 mNm (446 oz-in)

LRPX BLDC Planetary Gearmotors

Peak Torque 0.1 to 22.5 Nm (13 to 3,186 oz-in)
The ElectroCraft LRPX series is a family of compact, high-performance brushless DC (BLDC) gearmotors that integrate the innovative RPX series motor with a custom planetary gearbox, delivering exceptional torque at low speeds in a sleek, efficient package. The LRPX enables equipment downsizing with higher efficiency and smaller footprints, translating to significant cost savings, reduced heat generation, and enhanced reliability more ▸
The LRPX series high torque density and low-RPM optimization minimize cogging and vibration for ultra-smooth motion, while the modular, fully customizable design— including integrated gearheads and compatibility with advanced drives—accelerates time-to-market and supports diverse applications from mobile robots to precision pumps. Overall, the LRPX delivers superior power-to-weight ratios, energy efficiency, and durability, providing engineers with a versatile solution that boosts performance without compromising on compactness or budget ◂ less
Frame Size
Peak Torque

LRPX16 16.25 mm Brushless DC Motors

Frame Size 16.25 mm (0.640 in)
Peak Torque 0.6 Nm (85 oz-in)

LRPX22 22 mm Brushless DC Motors

Frame Size 22 mm (0.866 in)
Peak Torque 3.0 Nm (425 oz-in)

LRPX32 32 mm Brushless DC Motors

Frame Size 32 mm (1.260 in)
Peak Torque 8.0 Nm (1,133 oz-in)

LRPX40 40 mm Brushless DC Motors

Frame Size 40 mm (1.575 in)
Peak Torque 22.5 Nm (3,186 oz-in)

RP Brushless DC Motors

Peak Torque 22 to 1,095 oz-in (16 to 773 Ncm)
The ElectroCraft RapidPower™ (RP) series is a family of high-performance, 4-pole brushless DC motors engineered to deliver exceptional performance, efficiency, and smoothness in a compact, cost-effective package. Available in NEMA 17, 23, and 34 frame sizes with a wide range of voltage options from 12 to 160 VDC, the RP series utilizes high-energy neodymium magnets and precision winding techniques to achieve continuous torque ratings from 0.1 to 2.1 Nm and peak torque far exceeding conventional motors of comparable size. Standard features include integrated hall-sensor feedback (with optional commutating encoders), ultra-low cogging for quiet and precise motion, and peak efficiencies above 85%-90% for reduced energy consumption. more ▸
The RapidPower™ RP series sets a new standard for affordable high-performance BLDC motion by offering specifications and build quality that rival premium motors costing much more. This unmatched price-to-performance ratio makes it the ideal choice for cost-conscious, high-volume applications—including medical devices, lab automation, robotics, and industrial systems—where engineers can now specify near-premium power, reliability, and precision without exceeding budget constraints. In short, the RP series delivers true high-end performance at a distinctly accessible price point. ◂ less
Frame Size
Peak Torque

RP17 NEMA 17 Brushless DC Motors

Frame Size NEMA 17
Peak Torque 136 oz-in (96 Ncm)

RP23 NEMA 23 Brushless DC Motors

Frame Size NEMA 23
Peak Torque 190 oz-in (134 Ncm)

RP34 NEMA 34 Brushless DC Motors

Frame Size NEMA 34
Peak Torque 1,095 oz-in (773 Ncm)

RPP Brushless DC Motors

Peak Torque 180 to 2,272 oz-in (127 to 1,604 Ncm)
The ElectroCraft RapidPower™ Plus (RPP) series is a premium line of high-performance brushless DC servo motors engineered for demanding applications requiring exceptional precision, rapid acceleration, and sustained high torque. Available in NEMA 23 (RPP23) and NEMA 34 (RPP34) frame sizes, these motors feature advanced electro-magnetic designs with high-energy neodymium magnets, skewed magnetization for minimal cogging, and low-inertia rotors that enable continuous torques up to 568 oz-in (4 Nm) and peak torques reaching 2272 oz-in (16 Nm). Supporting high-voltage DC configurations (up to 325V) and speeds reaching 5000 RPM, the RPP series integrates standard differential optical encoders for sub-micron positioning accuracy, hall-effect commutation, and robust TENV enclosures with optional IP65 sealing via O-rings and shaft seals. Customizable options include integral brakes, metric/imperial mounts, and connector types, making them versatile for industrial housed configurations in automation, CNC machinery, medical robotics, and high-precision actuators. more ▸
As a premium high-precision servo motor family, the RPP series excels by delivering unmatched torque density and dynamic response in compact, rugged packages that outperform standard BLDC motors in accuracy and reliability without the bulk of oversized alternatives. Its low-cogging design ensures ultra-smooth, vibration-free operation for pinpoint control in servo applications, while high continuous torque and rapid acceleration capabilities support peak overloads up to 300% for handling transient demands efficiently. Compared to competitors, the RPP provides superior power-to-size ratios and environmental durability at a competitive price point, reducing system complexity, heat dissipation, and maintenance costs. Engineers benefit from ElectroCraft’s customization expertise, accelerating integration and enabling breakthrough performance in mission-critical systems where precision and endurance define success. ◂ less
Frame Size
Peak Torque

RPP23 NEMA 23 Brushless DC Motors

Frame Size NEMA 23
Peak Torque 400 oz-in (282 Ncm)

RPP34 NEMA 34 Brushless DC Motors

Frame Size NEMA 34
Peak Torque 2,272 oz-in (1,604 Ncm)