RP34 BLDC Motor
RapidPower™ Series

Summary Details

Size: NEMA 34
Peak Torque: to 1095 oz-in or 773 Ncm
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Complete Motion Solution

For a complete motion solution, the RP34 is compatible with ElectroCraft's Universal and PRO Series drives.

Great performance at an affordable price
The ElectroCraft RapidPower™ RP34 is a compact, high-performance brushless motor that incorporates ball-bearing construction and a low-cogging electro-magnetic design that produces low audible and magnetic noise. It is compatible with three-phase brushless DC motor drives and is available with a variety of encoders for precision positioning applications.

Additional Product Details

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
RP34-112 2.84 in 0.375 in 1.25 in 2.875 in 0.06 in 0.22 in
thru holes		 2.74 in 3.4 in 0.25 in 0.5 in 0.55 in
RP34-217 4.15 in
RP34-313 5.47 in
RP34-79 72 mm 14 mm 30 mm 80 mm 1.5 mm 7 mm
thru holes		 70.7 mm 86 mm 6.35 mm 12.6 mm 14 mm
RP34-153 105 mm
RP34-221 139 mm
Technical Drawings

Specifications & Winding Data

RP34 Stack Size and Winding Models
Specifications RP34-
112V24		 RP34-
112V48		 RP34-
112V90		 RP34-
112V160		 RP34-
217V24		 RP34-
217V48		 RP34-
217V90		 RP34-
217V160		 RP34-
313V24		 RP34-
313V48		 RP34-
313V90		 RP34-
313V160
RP34M-
79V24		 RP34M-
79V48		 RP34M-
79V90		 RP34M-
79V160		 RP34M-
153V24		 RP34M-
153V48		 RP34M-
153V90		 RP34M-
153V160		 RP34M-
221V24		 RP34M-
221V48		 RP34M-
221V90		 RP34M-
221V160
Design Voltage (VDC) 24 48 90 160 24 48 90 160 24 48 90 160
No load speed (RPM) 7,100 7,000 6,600 5,800 3,500 5,050 4,900 5,030 2,350 3,530 4,410 4,480
Peak Torque (oz-in) 392 392 392 392 740 759 759 759 940 1,095 1,095 1,095
Peak Torque (Ncm) 277 277 277 277 522 536 536 536 664 773 773 773
Peak Current (Amps) 85.2 42.6 21.2 11.2 76.0 59.1 31.1 17.6 68.1 59.5 39.7 23.8
Continuous Stall Torque (oz-in) 112 217 313
Continuous Stall Torque (Ncm) 79 153 221
Continuous Stall Current (Amps) 24.4 12.1 6.1 3.2 22.3 16.9 8.9 5.0 22.7 17.0 11.3 6.8
Continuous Rated Torque (oz-in) 29.0 29.0 31.0 33.0 120.0 71.0 72.0 71.0 216.0 226.0 168.0 156.0
Continuous Rated Torque (Ncm) 20.5 20.5 21.9 23.3 84.7 50.1 50.8 50.1 152.5 159.6 118.6 110.1
Continuous Rated Current (Amps) 7.8 4.3 2.3 1.0 12.5 6.9 3.7 1.7 14.7 11.4 6.9 3.3
Continuous Rated Speed (RPM) 6,390 6,760 6,300 5,200 2,740 4,730 4,660 4,455 1,680 2,600 3,990 3,740
Voltage Constant (V / kRPM) 3.4 6.8 13.7 27.6 6.9 9.5 18.1 31.8 10.2 13.6 20.4 35.7
Torque Constant (oz-in / Amp) 4.6 9.2 18.5 37.3 9.3 12.8 24.4 43.0 13.8 18.4 27.6 48.2
Torque Constant (Ncm / Amp) 3.3 6.5 13.1 26.3 6.5 9.0 17.2 30.4 9.7 13.0 19.5 34.0
Resistance (Ohms) 0.1 0.2 0.8 4.0 0.1 0.2 0.6 2.3 0.2 0.3 0.5 1.6
Inductance (mH) 0.3 1.2 4.8 20.3 0.7 1.1 3.9 13.4 1.0 1.7 3.9 11.0
Motor Constant (oz-in / √ Watt) 15.1 19.3 20.4 17.4 29.8 27.2 30.4 29.0 34.5 31.5 35.5 36.5
Motor Constant (Ncm / √ Watt) 10.7 13.6 14.4 12.3 21.0 19.2 21.5 20.5 24.4 22.2 25.1 25.8
Electrical Constant (msec) 4.8 5.5 6.0
Mechanical Constant (msec) 6.7 4.3 4.4
Rotor inertia (oz-in-sec²) 0.0149 0.0258 0.0385
Rotor inertia (g-cm²) 1,052.2 1,822.0 2,718.9
Thermal Resistance (C / Watt) 2.0 1.5 1.0
Weight (oz) 64.0 100.0 143.0
Weight (Kg) 1.8 2.8 4.1
Length (inch) 2.8 4.2 5.5
Length (mm) 71.1 106.7 139.7
Number of Poles 4 4 4

Speed / Torque Curves

rp34 rp34 rp34

Connection

connection diagram
connection diagram

CAD

Drive Compatibility

Motor P/N Cont Stall
Current
(ARMS)		 Peak
Current
(ARMS)		 Voltage Drive Model
Imperial Metric PRO (-CAN) PRO (-CAT) CPP-Universal CPP-EZ
RP34-112V24 RP34M-79V24 24.4 85.2 24 N/A N/A CPP-A40V24A CPP-A24V48A
RP34-112V48 RP34M-79V48 12.1 42.4 48 PRO-A20V80A PRO-A20V80A CPP-A24V80A CPP-A24V48A
RP34-112V90 RP34M-79V90 6.1 21.2 90 PRO-A20V80A PRO-A20V80A CPP-A24V80A CPP-A12V48A
RP34-217V24 RP34M-153V24 22.3 76.0 24 N/A N/A CPP-A40V24A CPP-A24V48A
RP34-217V48 RP34M-153V48 16.9 59.1 48 PRO-A20V80A PRO-A20V80A CPP-A24V80A CPP-A24V48A
RP34-217V90 RP34M-153V90 8.9 31.1 90 PRO-A20V80A PRO-A20V80A CPP-A24V80A CPP-A24V48A
RP34-313V24 RP34M-221V24 22.7 68.1 24 N/A N/A CPP-A40V24A CPP-A24V48A
RP34-313V48 RP34M-221V48 17.0 59.5 48 PRO-A20V80A PRO-A20V80A CPP-A24V80A CPP-A24V48A
RP34-313V90 RP34M-221V90 11.3 39.7 90 PRO-A20V80A PRO-A20V80A CPP-A24V80A CPP-A24V48A
  1. Note1: CPP-A40V24A maximum continuous & peak currents = 28.3Arms & 70.7Arms. Maximum output voltage = 24VDC
  2. Note2: CPP-A24V48A maximum continuous current = 17 Arms
  3. Note3: PRO-A20V80A maximum continuous & peak currents = 14.1Arms & 28.3Arms. Maximum output voltage = 80VDC
  4. Note4: CPP-A24V80A maximum continuous & peak currents = 17Arms & 42.4Arms. Maximum output voltage = 80VDC

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:

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The Americas - View Cart

Part Number Description Add to Cart
RP34-112V24-100-X NEMA 34 Brushless DC Motor, 24VDC, 7100RPM no-load speed, 392 oz-in peak torque, 29 oz-in continuous at 6390RPM, hall sensors, no encoder Buy Now
RP34-112V24-100-D NEMA 34 Brushless DC Motor, 24VDC, 7100RPM no-load speed, 392 oz-in peak torque, 29 oz-in continuous at 6390RPM, 1000 line differential commutating encoder Buy Now
RP34-112V160-100-X NEMA 34 Brushless DC Motor, 160VDC, 5800RPM no-load speed, 392 oz-in peak torque, 33 oz-in continuous at 5200RPM, hall sensors, no encoder Buy Now
RP34-112V160-100-D NEMA 34 Brushless DC Motor, 160VDC, 5800RPM no-load speed, 392 oz-in peak torque, 33 oz-in continuous at 5200RPM, 1000 line differential commutating encoder Buy Now
RP34-217V24-100-X NEMA 34 Brushless DC Motor, 24VDC, 3500RPM no-load speed, 740 oz-in peak torque, 120 oz-in continuous at 2740RPM, hall sensors, no encoder Buy Now
RP34-217V24-100-D NEMA 34 Brushless DC Motor, 24VDC, 3500RPM no-load speed, 740 oz-in peak torque, 120 oz-in continuous at 2740RPM, 1000 line differential commutating encoder Buy Now
RP34-217V160-100-X NEMA 34 Brushless DC Motor, 160VDC, 5030RPM no-load speed, 759 oz-in peak torque, 71 oz-in continuous at 4455RPM, hall sensors, no encoder Buy Now
RP34-217V160-100-D NEMA 34 Brushless DC Motor, 160VDC, 5030RPM no-load speed, 759 oz-in peak torque, 71 oz-in continuous at 4455RPM, 1000 line differential commutating encoder Buy Now
RP34-313V24-100-X NEMA 34 Brushless DC Motor, 24VDC, 2350RPM no-load speed, 940 oz-in peak torque, 216 oz-in continuous at 1680RPM, hall sensors, no encoder Buy Now
RP34-313V24-100-D NEMA 34 Brushless DC Motor, 24VDC, 2350RPM no-load speed, 940 oz-in peak torque, 216 oz-in continuous at 1680RPM, 1000 line differential commutating encoder Buy Now
RP34-313V160-100-X NEMA 34 Brushless DC Motor, 160VDC, 4480RPM no-load speed, 1095 oz-in peak torque, 156 oz-in continuous at 3740RPM, hall sensors, no encoder Buy Now
RP34-313V160-100-D NEMA 34 Brushless DC Motor, 160VDC, 4480RPM no-load speed, 1095 oz-in peak torque, 156 oz-in continuous at 3740RPM, 1000 line differential commutating encoder Buy Now

Europe, the Middle East and Africa

Part Number Description Typical Lead Time
RP34-112V24-100-X NEMA 34 Brushless DC Motor, 24VDC, 7100RPM no-load speed, 392 oz-in peak torque, 29 oz-in continuous at 6390RPM, hall sensors, no encoder 2 days
RP34-112V24-100-D NEMA 34 Brushless DC Motor, 24VDC, 7100RPM no-load speed, 392 oz-in peak torque, 29 oz-in continuous at 6390RPM, 1000 line differential commutating encoder 2 days
RP34-112V160-100-X NEMA 34 Brushless DC Motor, 160VDC, 5800RPM no-load speed, 392 oz-in peak torque, 33 oz-in continuous at 5200RPM, hall sensors, no encoder 2 days
RP34-112V160-100-D NEMA 34 Brushless DC Motor, 160VDC, 5800RPM no-load speed, 392 oz-in peak torque, 33 oz-in continuous at 5200RPM, 1000 line differential commutating encoder 2 days
RP34-217V24-100-X NEMA 34 Brushless DC Motor, 24VDC, 3500RPM no-load speed, 740 oz-in peak torque, 120 oz-in continuous at 2740RPM, hall sensors, no encoder 2 days
RP34-217V24-100-D NEMA 34 Brushless DC Motor, 24VDC, 3500RPM no-load speed, 740 oz-in peak torque, 120 oz-in continuous at 2740RPM, 1000 line differential commutating encoder 2 days
RP34-217V160-100-X NEMA 34 Brushless DC Motor, 160VDC, 5030RPM no-load speed, 759 oz-in peak torque, 71 oz-in continuous at 4455RPM, hall sensors, no encoder 2 days
RP34-217V160-100-D NEMA 34 Brushless DC Motor, 160VDC, 5030RPM no-load speed, 759 oz-in peak torque, 71 oz-in continuous at 4455RPM, 1000 line differential commutating encoder 2 days
RP34-313V24-100-X NEMA 34 Brushless DC Motor, 24VDC, 2350RPM no-load speed, 940 oz-in peak torque, 216 oz-in continuous at 1680RPM, hall sensors, no encoder 2 days
RP34-313V24-100-D NEMA 34 Brushless DC Motor, 24VDC, 2350RPM no-load speed, 940 oz-in peak torque, 216 oz-in continuous at 1680RPM, 1000 line differential commutating encoder 2 days
RP34-313V160-100-X NEMA 34 Brushless DC Motor, 160VDC, 4480RPM no-load speed, 1095 oz-in peak torque, 156 oz-in continuous at 3740RPM, hall sensors, no encoder 2 days
RP34-313V160-100-D NEMA 34 Brushless DC Motor, 160VDC, 4480RPM no-load speed, 1095 oz-in peak torque, 156 oz-in continuous at 3740RPM, 1000 line differential commutating encoder 2 days

Asia

Part Number Description Typical Lead Time
RP34-112V24-100-X NEMA 34 Brushless DC Motor, 24VDC, 7100RPM no-load speed, 392 oz-in peak torque, 29 oz-in continuous at 6390RPM, hall sensors, no encoder 2 days
RP34-112V24-100-D NEMA 34 Brushless DC Motor, 24VDC, 7100RPM no-load speed, 392 oz-in peak torque, 29 oz-in continuous at 6390RPM, 1000 line differential commutating encoder 2 days
RP34-112V160-100-X NEMA 34 Brushless DC Motor, 160VDC, 5800RPM no-load speed, 392 oz-in peak torque, 33 oz-in continuous at 5200RPM, hall sensors, no encoder 2 days
RP34-112V160-100-D NEMA 34 Brushless DC Motor, 160VDC, 5800RPM no-load speed, 392 oz-in peak torque, 33 oz-in continuous at 5200RPM, 1000 line differential commutating encoder 2 days
RP34-217V24-100-X NEMA 34 Brushless DC Motor, 24VDC, 3500RPM no-load speed, 740 oz-in peak torque, 120 oz-in continuous at 2740RPM, hall sensors, no encoder 2 days
RP34-217V24-100-D NEMA 34 Brushless DC Motor, 24VDC, 3500RPM no-load speed, 740 oz-in peak torque, 120 oz-in continuous at 2740RPM, 1000 line differential commutating encoder 2 days
RP34-217V160-100-X NEMA 34 Brushless DC Motor, 160VDC, 5030RPM no-load speed, 759 oz-in peak torque, 71 oz-in continuous at 4455RPM, hall sensors, no encoder 2 days
RP34-217V160-100-D NEMA 34 Brushless DC Motor, 160VDC, 5030RPM no-load speed, 759 oz-in peak torque, 71 oz-in continuous at 4455RPM, 1000 line differential commutating encoder 2 days
RP34-313V24-100-X NEMA 34 Brushless DC Motor, 24VDC, 2350RPM no-load speed, 940 oz-in peak torque, 216 oz-in continuous at 1680RPM, hall sensors, no encoder 2 days
RP34-313V24-100-D NEMA 34 Brushless DC Motor, 24VDC, 2350RPM no-load speed, 940 oz-in peak torque, 216 oz-in continuous at 1680RPM, 1000 line differential commutating encoder 2 days
RP34-313V160-100-X NEMA 34 Brushless DC Motor, 160VDC, 4480RPM no-load speed, 1095 oz-in peak torque, 156 oz-in continuous at 3740RPM, hall sensors, no encoder 2 days
RP34-313V160-100-D NEMA 34 Brushless DC Motor, 160VDC, 4480RPM no-load speed, 1095 oz-in peak torque, 156 oz-in continuous at 3740RPM, 1000 line differential commutating encoder 2 days