RP17 BLDC Motor
RapidPower™ Series

Summary Details

Size: NEMA 17
Peak Torque: to 136 oz-in or 96 Ncm

Compact yet powerful
The ElectroCraft RapidPowerâ„¢ RP17 is a compact, high-performance and high-speed brushless motor with ball-bearing construction, dynamically balanced rotors, and low audible and magnetic noise. It is compatible with three-phase brushless DC motor drives.

Additional Product Details

RP17 Outline Drawing

Model MAX
Length
A B C D E F G H I J
Front
Shaft
Diameter
Front
Shaft
Length
Pilot
Diameter
Pilot
Length
Mount Hole
Pattern
Mount
Hole
Spacing
Flange
External
Dimension
Rear Shaft
Diameter
Rear
Shaft
Length
Differential Encoder
Length
RP17M-8 41 mm 5.000 mm
(0.1968 in)
20.6 mm
(0.81 in)
22.00 mm
(0.8660 in)
2 mm
(0.08 in)
M3 x 0.5
4.3 mm deep
31 mm
(1.22 in)
42 mm
(1.65 in)
6.350 mm
(0.2500 in)
11.9 mm
(0.47 in)
14.0 mm
(0.55 in)
RP17M-16 61 mm
RP17M-25 81 mm
RP17M-32 101 mm
Technical Drawings

RP17 Speed / Torque Curves

rp17 rp17 rp17 rp17

RP17 Mechanical / Winding Data

RP17 Stack Size and Winding Models
Specifications RP17M-
8V24
RP17M-
8V48
RP17M-
8V60
RP17M-
16V24
RP17M-
16V48
RP17M-
16V60
RP17M-
25V24
RP17M-
25V48
RP17M-
25V60
RP17M-
32V24
RP17M-
32V48
RP17M-
32V60
Design Voltage (VDC) 24 48 60 24 48 60 24 48 60 24 48 60
No load speed (RPM) 11,400 5,300 3,400 2,600
Peak Torque (oz-in) 22 60 100 136
Peak Torque (Ncm) 15 42 71 96
Peak Current (Amps) 7.6 3.8 3.0 9.8 4.9 3.9 10.4 5.2 4.2 11.0 5.5 4.4
Continuous Stall Torque (oz-in) 12 22 36 45
Continuous Stall Torque (Ncm) 8 16 25 32
Continuous Stall Current (Amps) 4.2 2.1 1.7 3.6 1.8 1.4 3.7 1.9 1.5 3.6 1.8 1.4
Continuous Rated Torque (oz-in) 4.0 4.0 4.0 17.0 17.5 17.5 29.0 29.0 29.0 37.0 37.0 37.0
Continuous Rated Torque (Ncm) 2.8 2.8 2.8 12.0 12.3 12.3 20.5 20.5 20.5 26.1 26.1 26.1
Continuous Rated Current (Amps) 2.1 1.0 0.6 2.9 1.4 1.2 3.1 1.7 1.2 3.0 1.5 1.2
Continuous Rated Speed (RPM) 10,100 10,400 10,250 3,900 3,900 3,900 2,437 2,437 2,460 1,650 1,485 1,760
Voltage Constant (V / kRPM) 2.1 4.2 5.3 4.5 9.0 11.3 7.1 14.2 17.8 9.2 18.4 23.0
Torque Constant (oz-in / Amp) 2.8 5.7 7.2 6.1 12.2 15.2 9.6 19.2 24.1 12.4 24.9 31.1
Torque Constant (Ncm / Amp) 2.0 4.0 5.1 4.3 8.6 10.7 6.8 13.6 17.0 8.8 17.6 22.0
Resistance (Ohms) 0.7 2.7 4.0 1.1 4.4 5.5 1.5 6.4 7.2 2.0 8.5 11.4
Inductance (mH) 0.5 2.3 3.0 1.2 4.8 6.2 1.8 7.2 7.5 2.3 9.2 14.0
Motor Constant (oz-in / √ Watt) 3.5 5.8 8.4 9.0
Motor Constant (Ncm / √ Watt) 2.5 4.1 5.9 6.4
Electrical Constant (msec) 0.8 1.1 1.1 1.2
Mechanical Constant (msec) 8.5 4.4 3.1 2.7
Rotor inertia (oz-in-sec²) 0.0008 0.0012 0.0016 0.0019
Rotor inertia (g-cm²) 53.7 83.3 112.3 134.9
Thermal Resistance (C / Watt) 6.3 5.5 4.0 3.4
Weight (oz) 9.0 17.0 23.5 31.0
Weight (Kg) 0.3 0.5 0.7 0.9
Length (inch) 1.6 2.4 3.1 3.9
Length (mm) 40.6 61 78.7 99.1
Number of Poles 4 4 4 4

RP17 Connection

connection diagram
connection diagram

RP17 CAD

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ElectroCraft Rapid Delivery Program

Some versions of this product are available via ElectroCraft's Rapid Delivery Program. Lead times for these products are given in working days and stated below. Please note, these lead times may be exceeded during holiday periods or due to unforeseen circumstances. Always contact your local ElectroCraft representative for confirmation of availability.

Rapid delivery products are stocked in locations all over the World. If the product you require is not stocked in your region, you may request accelerated delivery from other areas. Please consult your local representative for more information.

Customers are responsible for all freight charges.

Rapid Delivery to:

Select the region where the product would be delivered to.

The Americas

Part Number Description Typical Lead Time
RP17M-16V24-100-D 2 days
RP17M-16V24-100-X 2 days
RP17M-25V24-100-D 2 days
RP17M-25V24-100-X 2 days
RP17M-32V24-100-D 2 days
RP17M-32V24-100-X 2 days
RP17M-8V24-100-D 2 days
RP17M-8V24-100-X 2 days

Europe, the Middle East and Africa

Part Number Description Typical Lead Time
No products available

Asia

Part Number Description Typical Lead Time
RP17M-16V24-100-D 2 days
RP17M-16V24-100-X 2 days
RP17M-25V24-100-D 2 days
RP17M-25V24-100-X 2 days
RP17M-32V24-100-D 2 days
RP17M-32V24-100-X 2 days
RP17M-8V24-100-D 2 days
RP17M-8V24-100-X 2 days