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Product details
The EC057A series brushless DC motor is a high torque brushless motor designed with NEMA 23 packaging. It has three motor lengths to choose from, with continuous torque ranging from 0.38-0.93 Nm.
characteristic:
characteristic:
Video:
How to create motor curves and how to use them
When should a gearbox be used in DC motor applications?
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specifications+
MOTOR DATA Units EC057A-1 EC057A-2 EC057A-3 Max DC Terminal Voltage V 170 170 170 Max Speed (Mechanical) rpm 6000 6000 6000 Continuous Stall Torque Nm 0.39 0.71 0.94 Continuous Stall Torque oz-in 55 100 130 Peak Torque (Maximum) Nm 1.2 2.2 2.9 Peak Torque (Maximum) oz-in 170 310 410 Rotor Inertia kg m2 0.000013 0.000026 0.000039 Rotor Inertia oz-in-s2 0.0019 0.0037 0.0055 Motor Weight g 660 1000 1400 Motor Weight oz 23 36 48 -
dimension+
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Performance Curve+
EC057A-1 speed torque performance curve
S. O.A.C.=safe working area for continuous operation
EC057A-2 speed torque performance curve
S. O.A.C.=safe working area for continuous operation
EC057A-3 speed torque performance curve
S. O.A.C.=safe working area for continuous operation
Note: All values were measured at an ambient temperature of 25 ° C. The peak value is a theoretical value and is for reference only. -
Winding performance data+
Page-6eaac086-1957-4e79-a6e5-2eea606c0218 EC057A-1 Units Rated Voltage V 38.0 48.0 60.0 76.0 76.0 152 152 Rated Torque Nm 0.32 0.34 0.34 0.33 0.34 0.33 0.34 Rated Torque oz-in 46 48 48 46 48 46 48 Rated Speed rpm 6000 6000 6000 6000 6000 6000 6000 Rated Current A 9.6 7.4 5.9 4.8 3.7 2.4 2.4 Rated Power W 200 210 210 210 210 210 210 No Load Speed rpm 6000 6000 6000 6000 6000 6000 6000 No Load Current A 0.51 0.38 0.31 0.26 0.19 0.13 0.13 Torque Constant Nm/A 0.0401 0.0535 0.0668 0.0802 0.107 0.160 0.167 Torque Constant oz-in/A 5.68 7.57 9.47 11.4 15.1 22.7 23.7 Voltage Constant V/krpm 4.20 5.60 7.00 8.40 11.2 16.8 17.5 Terminal Resistance Ω 0.310 0.520 0.820 1.23 2.09 4.91 5.12 Inductance mH 0.22 0.40 0.62 0.90 1.60 3.60 3.90 Peak Current A 33 26 20 17 13 8.4 8.1 Page-f9b56da3-8527-4edb-8a15-faa91c4bd01a EC057A-2 Units Rated Voltage V 48.0 60.0 76.0 121 152 152 170 Rated Torque Nm 0.53 0.52 0.54 0.53 0.53 0.53 0.53 Rated Torque oz-in 75 73 77 75 74 75 75 Rated Speed rpm 6000 6000 6000 6000 6000 6000 6000 Rated Current A 12 9.3 6.9 4.7 3.6 3.0 2.4 Rated Power W 330 330 340 330 330 330 330 No Load Speed rpm 6000 6000 6000 6000 6000 6000 6000 No Load Current A 0.72 0.58 0.41 0.29 0.23 0.18 0.15 Torque Constant Nm/A 0.0535 0.0668 0.0936 0.134 0.174 0.214 0.267 Torque Constant oz-in/A 7.57 9.47 13.3 18.9 24.6 30.3 37.9 Voltage Constant V/krpm 5.60 7.00 9.80 14.0 18.2 22.4 28.0 Terminal Resistance Ω 0.190 0.290 0.540 1.16 1.96 2.96 4.64 Inductance mH 0.17 0.26 0.52 1.07 1.80 2.73 4.28 Peak Current A 45 36 27 18 14 11 9.3 Page--9bbc-4a9a-a49d-b434e126d6cf EC057A-3 Units Rated Voltage V 48.0 60.0 76.0 76.0 152 152 Rated Torque Nm 0.51 0.50 0.50 0.50 0.51 0.71 Rated Torque oz-in 72 70 71 71 72 100 Rated Speed rpm 6000 6000 6000 6000 6000 4570 Rated Current A 11 7.9 6.4 5.3 3.2 2.7 Rated Power W 320 310 310 320 320 340 No Load Speed rpm 6000 6000 6000 6000 6000 4500 No Load Current A 1.2 0.84 0.67 0.56 0.34 0.17 Torque Constant Nm/A 0.0602 0.0802 0.100 0.120 0.201 0.321 Torque Constant oz-in/A 8.52 11.4 14.2 17.0 28.4 45.4 Voltage Constant V/krpm 6.30 8.40 10.5 12.6 21 33.6 Terminal Resistance Ω 0.150 0.260 0.410 0.590 1.56 3.92 Inductance mH 0.13 0.24 0.37 0.54 1.50 3.84 Peak Current A 54 39 33 27 17 11 -
Wiring diagram+
Color Signal Red (20 AWG)
Phase R White Phase S Blue Phase T Brown Hall 1
Orange Hall 2
Yellow Hall 3
Red (22 AWG)
Hall +5-15 VDC
Black Hall GND
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encoder+
Q encoder
The Q&V high-performance incremental encoder is a transmissive device with integrated bearings and isolation spring brackets. The encoder is the same except that the installation of the spring varies depending on the motor.
characteristic:
specificationsEncoder data symbol unit Q1、Q3、Q5、Q8 Available resolutions - - 1000, 2000, 2500, 5000 output - - 2-channel orthogonal with index output interface - - TTL compatible supply voltage Vcc VDC 4.75 to 5.25 Power supply current Icc mA Maximum 125 Maximum operating frequency fmaximum kHz 500 operation temperature θmaximum °C -20 to+100
dimension
CONNECTION DIAGRAMPin colour Q 1 red Vcc 2 black Encoder grounding 3 brown Channel A 4 white Channel A? 5 blue Channel B 6 green Channel B? 7 orange Index I 8 yellow Index I? N/C Black/White Case Ground N/C drain wire Cable shield
Recommended Encoder Data Sheet
Q Encoder Data Sheet PDF
Backup Encoder Data Sheet
H Encoder Data Sheet PDF -
brake+
B3 brake
The B3 power-off and fail safe brake is a 57mm NEMA23 version that can be directly installed at the front of the Pittman NEMA23 motor without the need for an adapter. Like B49A, it can keep the load stationary when the motor and brake are powered off.
characteristic:
specifications
Brake data unit B3 Applied voltage VDC 24 holding torque Newton metre 0.339 lb-in 3.0 electric current A 0.18 resistance ohm 132 inertia Kg-m2 3.60E-06 Ounces, inches, seconds, square 5.1E-04 weight Kg 0.5 pound 1.1
dimension
Size - inches (millimeters)model B3 A(3) 2.250 (57.15) B(4x) 0.205 (5.21) C(2) 16.75 (425.0) H(3) 1.18 (29.97) L(1) 1.78 (45.2) U(1) 0.250 (6.35) U2(3) 0.145 (3.68) AH(3) 0.70 (17.78) AJ(3) 2.625 (66.68) AK(1) 1.500 (38.1) BB(3) 0.10 (2.54) be careful: All brake data is measured at 20 degrees Celsius (1) Maximum value, (2) minimum value, (3) nominal value, (4x) 4 positions
Recommended Brake Data Sheet
B3 Brake Data Sheet PDF -
Driver+
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