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RPP34 BLDC Motor
RapidPower Plus™ Series

Size: NEMA 34
Peak Torque: to 2272 oz-in or 1604 Ncm

Data Sheets

Data Sheet (US)

Complete Motion Solution

For a complete motion solution, the RPP34 is compatible with ElectroCraft's Universal and PRO Series drives.

The Ultimate in Brushless Servo Motor Performance.
The ElectroCraft RapidPower™ Plus RPP34 is a high-performance brushless servo motor incorporating the latest electro-magnetic components producing high continuous torque with low inertia for rapid acceleration. The RPP34 is available with high voltage DC winding configurations, and a variety of commutating optical encoders for precise positioning applications.

Additional Product Details

Outline Drawing

Specifications & Winding Data

RPP34	Stack Size and Winding Models
Specifications	RPP34-142V160	RPP34-142V325	RPP34-284V160	RPP34-284V325	RPP34-426V160	RPP34-426V325	RPP34-568V160	RPP34-568V325
Specifications	RPP34M-100V160	RPP34M-100V325	RPP34M-200V160	RPP34M-200V325	RPP34M-300V160	RPP34M-300V325	RPP34M-400V160	RPP34M-400V325
Design Voltage (VDC)	160	325	160	325	160	325	160	325
No load speed (RPM)	5,000	5,000	5,000	5,000	4,500	5,200	3,400	4,500
Peak Torque (oz-in)	568	568	1,136	1,136	1,704	1,704	2,272	2,272
Peak Torque (Ncm)	401	401	802	802	1,203	1,203	1,604	1,604
Peak Current (Amps)	13.0	6.5	25.8	12.9	35.7	20.7	26.8	17.4
Continuous Stall Torque (oz-in)	142		284		426		568
Continuous Stall Torque (Ncm)	100		200		300		400
Continuous Stall Current (Amps)	3.3	1.6	6.5	3.2	8.9	5.0	6.7	4.4
Continuous Rated Torque (oz-in)	82.0	81.0	167.0	163.0	239.0	201.0	314.0	306.0
Continuous Rated Torque (Ncm)	57.9	57.2	117.9	115.1	168.7	141.9	221.7	216.0
Continuous Rated Current (Amps)	2.7	1.3	5.4	2.6	7.1	3.4	7.0	4.4
Continuous Rated Speed (RPM)	4,420	4,510	4,410	4,490	4,000	4,760	2,890	3,990
Voltage Constant (V / kRPM)	32.2	64.4	32.6	65.1	35.3	62.4	47.0	72.4
Torque Constant (oz-in / Amp)	43.5	87.1	44.0	88.1	47.7	84.4	63.6	97.9
Torque Constant (Ncm / Amp)	30.7	61.5	31.1	62.2	33.7	59.6	44.9	69.1
Resistance (Ohms)	3.3	11.1	1.4	4.9	0.9	2.6	1.1	2.6
Inductance (mH)	5.0	20.1	2.6	10.2	1.9	5.9	2.5	5.9
Motor Constant (oz-in / √ Watt)	25.0		38.7		52.0		60.5
Motor Constant (Ncm / √ Watt)	17.7		27.3		36.7		42.7
Electrical Constant (msec)	1.7		2.0		2.2		2.3
Mechanical Constant (msec)	1.0		0.9		0.7		0.7
Rotor inertia (oz-in-sec²)	0.0		0.0091		0.0137		0.0183
Rotor inertia (g-cm²)	322.9		645.7		968.6		1,291.5
Thermal Resistance (C / Watt)	1.4		1.1		0.9		0.8
Weight (oz)	82.9		109.7		136.2		164.0
Weight (Kg)	2.4		3.1		3.9		4.7
Length (inch)	5.0		6.0		7.0		7.9
Length (mm)	126.5		151.5		176.5		201.5
Number of Poles	8.0		8		8		8