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Product details
EC042B series brushless motor is a high-performance universal servo motor with high torque density and 4-pole model, which is economical and affordable. EC042B is an excellent choice for power transmission and precision motion control applications. It has a diameter of 42 mm, three motor lengths, and continuous torque ranging from 0.064-0.17 Nm. If a larger torque is required in a 42mm motor, EC042B is a good choice.
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specifications+
MOTOR DATA Units EC042B-1 EC042B-2 EC042B-3 Max DC Terminal Voltage V 96 96 96 Max Speed (Mechanical) rpm 9000 9000 9000 Continuous Stall Torque Nm 0.064 0.13 0.18 Continuous Stall Torque oz-in 9.1 18 25 Peak Torque (Maximum) Nm 0.20 0.39 0.55 Peak Torque (Maximum) oz-in 28 55 79 Rotor Inertia kg m2 0.000014 0.000018 0.000021 Rotor Inertia oz-in-s2 0.0021 0.0025 0.0029 Motor Weight g 340 540 730 Motor Weight oz 12 19 26 -
dimension+
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Performance Curve+
EC042B-1 speed torque performance curve
S. O.A.C.=safe working area for continuous operation
EC042B-2 speed torque performance curve
S. O.A.C.=safe working area for continuous operation
EC042B-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-efa31fbf-e696-4257-916a-1e01ed1705dc EC042B-1 Units Rated Voltage V 12 15.2 19.1 24.0 30.3 38.2 48.0 60.6 Rated Torque Nm 0.057 0.057 0.058 0.058 0.058 0.056 0.056 0.058 Rated Torque oz-in 8.1 8.1 8.2 8.2 8.2 8.0 8.0 8.2 Rated Speed rpm 5380 5310 5360 5400 5530 5160 5100 5460 Rated Current A 3.4 2.7 2.2 1.8 1.4 1.0 0.82 0.70 Rated Power W 32 32 33 33 34 31 30 33 No Load Speed rpm 6280 6210 6250 6280 6400 6090 6030 6340 No Load Current A 0.21 0.16 0.13 0.11 0.082 0.061 0.048 0.041 Torque Constant Nm/A 0.0181 0.0231 0.0289 0.0361 0.0448 0.0592 0.0751 0.0903 Torque Constant oz-in/A 2.56 3.27 4.09 5.11 6.34 8.39 10.6 12.8 Voltage Constant V/krpm 1.89 2.42 3.03 3.78 4.69 6.20 7.87 9.46 Terminal Resistance Ω 0.446 0.724 1.10 1.72 2.61 4.97 8.05 10.9 Inductance mH 0.57 0.94 1.47 2.30 3.53 6.18 9.94 14.36 Peak Current A 12 9.0 7.5 6.0 4.8 3.6 2.7 2.4 Page-0e87957a-539c-490f-b186-bb480e5256ac EC042B-2 Units Rated Voltage V 15.2 19.1 24.0 30.3 38.2 48.0 60.6 76.4 Rated Torque Nm 0.11 0.11 0.11 0.11 0.11 0.11 0.11 0.11 Rated Torque oz-in 15 16 16 16 16 16 16 15 Rated Speed rpm 5850 5810 5780 5850 5620 5620 5610 5700 Rated Current A 5.2 4.3 3.4 2.7 2.1 1.6 1.3 1.0 Rated Power W 66 67 68 69 65 65 65 65 No Load Speed rpm 6490 6440 6410 6470 6270 6270 6260 6350 No Load Current A 0.28 0.22 0.17 0.14 0.11 0.082 0.065 0.053 Torque Constant Nm/A 0.0222 0.0281 0.0355 0.0444 0.0577 0.0725 0.0918 0.114 Torque Constant oz-in/A 3.14 3.98 5.03 6.29 8.17 10.3 13.0 16.1 Voltage Constant V/krpm 2.33 2.95 3.72 4.65 6.05 7.60 9.61 11.9 Terminal Resistance Ω 0.280 0.427 0.655 1.03 1.83 2.89 4.63 7.29 Inductance mH 0.42 0.67 1.08 1.68 2.84 4.48 7.17 11.07 Peak Current A 18 15 12 9.6 7.2 5.7 4.5 3.6 Page-4b022a8d-c33e-44c5-a3ef-b751b8b5a701 EC042B-3 Units Rated Voltage V 19.1 24.0 30.3 38.2 48.0 60.6 76.4 96.0 Rated Torque Nm 0.14 0.14 0.15 0.15 0.15 0.15 0.15 0.15 Rated Torque oz-in 20 20 21 21 21 21 21 21 Rated Speed rpm 6170 6220 6210 6190 6000 6220 6200 6240 Rated Current A 5.8 4.6 3.8 3.0 2.4 1.9 1.5 1.2 Rated Power W 91 93 95 95 95 98 97 98 No Load Speed rpm 6710 6750 6730 6720 6540 6730 6720 6750 No Load Current A 0.34 0.27 0.22 0.17 0.13 0.11 0.084 0.067 Torque Constant Nm/A 0.0270 0.0337 0.0427 0.0539 0.0696 0.0854 0.108 0.135 Torque Constant oz-in/A 3.82 4.77 6.04 7.64 9.86 12.1 15.3 19.1 Voltage Constant V/krpm 2.82 3.53 4.47 5.65 7.29 8.94 11.3 14.1 Terminal Resistance Ω 0.289 0.441 0.670 1.09 1.74 2.58 4.16 6.38 Inductance mH 0.41 0.65 1.04 1.65 2.76 4.14 6.61 10.33 Peak Current A 21 17 14 11 8.4 6.9 5.4 4.5 -
Wiring diagram+
Color Signal Black Phase A
White Phase B
Red Phase C
Green Hall 1
Yellow Hall 2
Blue Hall 3
Violet Hall +5 VDC
Orange Hall GND
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encoder+
E30C&E30D Encoder
The E30C and E30D optical incremental encoders are designed specifically for batch OEM precision motion control applications and are recommended encoders for EC042B. The E30 has a compact structure with dimensions of only 30 mm x 8 mm, providing various output, resolution, and connectivity solutions.
characteristic:
specificationsEncoder data symbol unit E30C E30D Available resolutions - - 200, 250, 256, 400, 500 500, 512, 1000, 1024, 2000, 2048 output - - 2-channel orthogonal 2-channel orthogonal with index output interface - - TTL compatible TTL compatible supply voltage Vcc VDC 4.5 to 5.5 4.5 to 5.5 Power supply current Icc mA Maximum 20 Maximum 20 high level output voltage VOH V Minimum 2.4 Minimum 2.4 Low Level Output Voltage VOL V Maximum 0.4 Maximum 0.4 Maximum operating frequency fmaximum kHz 40 (200-500 CPR) 55 (500-512 CPR) 110 (1000-1024 CPR) 220 (2000-2048 CPR) operation temperature θmaximum °C -20 to+85 -20 to+85 Encoder weight (mass) WE ounce 0.2 0.2 g 5.6 5.6
dimension
CONNECTION DIAGRAMPin colour E30C E30D E30C1 E30D1 1 black Encoder grounding Encoder grounding 2 white Vcc Vcc 3 Green/White - - Index I? 4 - - - 5 Blue/White - Channel A? 6 blue Channel A Channel A 7 Purple; Channel B Channel B 8 Purple/White - Channel B? 9 green - index - index 10 Green/Yellow Motor grounding Motor grounding E30C1& E30D1Optional differential LD connectors are displayed in gray
Recommended Encoder Data Sheet
E30C/D Encoder Data Sheet PDF -
Gearbox+
PLG42S gear
PLG42S is a 42mm planetary gearbox suitable for DC brushed and brushless servo motor applications. PLG42S provides excellent efficiency in a compact and versatile output configuration.
characteristic:
specificationsGear data unit PLG42S PLG42S PLG42S PLG42S PLG42S PLG42S PLG42S 4:1 8:1 16:1 25:1 32:1 50:1 64:1 Maximum Load Newton metre 3.5 3.5 6 6 6 6 6 oz-in 496 496 850 850 850 850 850 Weight (mass) g 270 270 370 370 370 370 370 ounce 9.52 9.52 13.1 13.1 13.1 13.1 13.1 Length (L)G） mm 47.6 47.6 59.4 59.4 59.4 59.4 59.4 inch 1.87 1.87 2.34 2.34 2.34 2.34 2.34 level - 1 1 2 2 2 2 2 ratio - 4/1 8/1 16/1 25/1 32/1 50/1 64/1 efficiency - 0.90 0.90 0.81 0.81 0.81 0.73 0.73 Axis rotation - CW CW CW CW CW CW CW Gear data unit PLG42S PLG42S PLG42S PLG42S PLG42S PLG42S PLG42S 100:1 128:1 156:1 200:1 256:1 400:1 512:1 Maximum Load Newton metre 14 14 14 14 14 14 14 oz-in 1983 1983 1983 1983 1983 1983 1983 Weight (mass) g 880 880 880 880 880 880 880 ounce 31.0 31.0 31.0 31.0 31.0 31.0 31.0 Length (L)G） mm 71.2 71.2 71.2 71.2 71.2 71.2 71.2 inch 2.80 2.80 2.80 2.80 2.80 2.80 2.80 level - 3 3 3 3 3 3 3 ratio - 100/1 128/1 156.25/1 200/1 256/1 400/1 512/1 efficiency - 0.73 0.73 0.73 0.73 0.73 0.73 0.73 Axis rotation - CW CW CW CW CW CW CW
dimension
Combined lengthPLG42S gear motor electrical machinery Length LGM mm platform 1 2 3 EC042B-1 99.8 111.6 123.4 EC042B-2 119.8 131.6 143.4 EC042B-3 139.8 151.6 163.4
Recommended Transmission Data Sheet
PLG42S Transmission Data Sheet PDF
Backup Transmission Data Sheet
PLG52 Transmission Data Sheet PDF
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Driver+
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