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EC083A 83mm Brushless DC Motor
EC083A 83mm Brushless DC Motor
EC083A 83mm Brushless DC Motor
EC083A 83mm Brushless DC Motor

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Product details
EC083A Pittman Brushless Rotary Motor
The EC083A series brushless DC motor is a high torque brushless motor designed with NEMA 34 packaging. It has 6 motor lengths to choose from, with continuous torque ranging from 0.9-2.1 Nm.

characteristic:
  • Speed up to 6000 RPM
  • DC bus voltage up to 325 Vdc
  • NEMA 34 package
  • Capable of using a 24V DC bus system
  • 8-pole neodymium design

Video:
How to create motor curves and how to use them

  • specifications+

    MOTOR DATA Units EC083A-1 EC083A-2 EC083A-3 EC083A-4 EC083A-5 EC083A-6
    Max DC Terminal Voltage V 325 325 325 325 325 325
    Max Speed (Mechanical) rpm 6000 6000 6000 6000 6000 6000
    Continuous Stall Torque Nm 0.92 1.4 1.7 1.9 2.2 2.2
    Continuous Stall Torque oz-in 130 200 240 270 310 310
    Peak Torque (Maximum) Nm 2.9 4.5 5.2 5.9 6.8 6.9
    Peak Torque (Maximum) oz-in 410 640 740 830 970 970
    Rotor Inertia kg m2 0.000068 0.0001 0.00012 0.00016 0.0002 0.00024
    Rotor Inertia oz-in-s2 0.0096 0.014 0.018 0.022 0.029 0.034
    Motor Weight g 1400 2000 2500 3000 3500 4100
    Motor Weight oz 50 70 88 110 120 140

  • dimension+


  • Performance Curve+


    EC083A-1 speed torque performance curve

    S. O.A.C.=safe working area for continuous operation


    EC083A-2 speed torque performance curve

    S. O.A.C.=safe working area for continuous operation


    EC083A-3 speed torque performance curve

    S. O.A.C.=safe working area for continuous operation


    EC083A-4 speed torque performance curve

    S. O.A.C.=safe working area for continuous operation


    EC083A-5 speed torque performance curve

    S. O.A.C.=safe working area for continuous operation


    EC083A-6 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-5fdfa291-12b8-4fe1-a4b2-4cb2669e7cc9
    EC083A-1 Units
    Rated Voltage V 60.0 76.0 96.0 152 305 305
    Rated Torque Nm 0.80 0.81 0.81 0.79 0.78 0.78
    Rated Torque oz-in 110 110 120 110 110 110
    Rated Speed rpm 6000 6000 6000 6000 6000 6000
    Rated Current A 31 23 18 12 9.9 6.3
    Rated Power W 500 510 510 500 490 490
    No Load Speed rpm 6000 6000 6000 6000 6000 6000
    No Load Current A 0.97 0.71 0.55 0.39 0.31 0.20
    Torque Constant Nm/A 0.0294 0.0405 0.0516 0.0736 0.0921 0.143
    Torque Constant oz-in/A 4.17 5.73 7.30 10.4 13.0 20.3
    Voltage Constant V/krpm 3.08 4.24 5.40 7.71 9.64 15.0
    Terminal Resistance Ω 0.0400 0.0700 0.110 0.240 0.370 0.920
    Inductance mH 0.14 0.26 0.43 0.88 1.39 3.34
    Peak Current A 110 81 63 42 36 22
    Page-702a8265-be26-4265-bb32-357ffb994cfd
    EC083A-2 Units
    Rated Voltage V 76.0 76.0 152 152 305 305
    Rated Torque Nm 1.2 1.3 1.2 1.2 1.2 1.2
    Rated Torque oz-in 180 180 180 180 170 170
    Rated Speed rpm 6000 6000 6000 6000 6000 6000
    Rated Current A 23 18 12 9.8 6.3 5.1
    Rated Power W 780 790 780 780 770 760
    No Load Speed rpm 6000 6000 6000 6000 6000 6000
    No Load Current A 0.65 0.51 0.33 0.28 0.18 0.15
    Torque Constant Nm/A 0.0606 0.0772 0.121 0.143 0.222 0.269
    Torque Constant oz-in/A 8.59 10.9 17.2 20.3 31.4 38.1
    Voltage Constant V/krpm 6.35 8.08 12.7 15.0 23.2 28.2
    Terminal Resistance Ω 0.0800 0.130 0.310 0.440 1.07 1.65
    Inductance mH 0.33 0.54 1.35 1.89 4.47 6.71
    Peak Current A 84 66 42 36 23 18
    Page-7fc77ca1-9251-46b4-b9a2-843594b07211
    EC083A-3 Units
    Rated Voltage V 76.0 96.0 152 305 305
    Rated Torque Nm 1.2 1.2 1.2 1.2 1.2
    Rated Torque oz-in 170 170 170 170 170
    Rated Speed rpm 6000 6000 6000 6000 6000
    Rated Current A 27 18 13 11 8.9
    Rated Power W 740 750 760 750 760
    No Load Speed rpm 6000 6000 6000 6000 6000
    No Load Current A 1.4 0.86 0.63 0.53 0.43
    Torque Constant Nm/A 0.0507 0.0797 0.109 0.130 0.159
    Torque Constant oz-in/A 7.18 11.3 15.4 18.5 22.6
    Voltage Constant V/krpm 5.31 8.35 11.4 13.7 16.7
    Terminal Resistance Ω 0.0400 0.100 0.180 0.260 0.410
    Inductance mH 0.17 0.42 0.78 1.13 1.69
    Peak Current A 120 75 54 45 36
    Page-c333c339-10ff-4054-ac24-05de1e8226dd
    EC083A-4 Units
    Rated Voltage V 76.0 76.0 152 152 305 305
    Rated Torque Nm 1.3 1.3 1.3 1.3 1.3 1.3
    Rated Torque oz-in 190 190 180 190 180 180
    Rated Speed rpm 6000 6000 6000 6000 6000 6000
    Rated Current A 22 16 11 8.1 5.4 4.4
    Rated Power W 840 830 820 840 820 810
    No Load Speed rpm 6000 6000 6000 6000 6000 6000
    No Load Current A 1.1 0.73 0.51 0.37 0.26 0.21
    Torque Constant Nm/A 0.0702 0.0964 0.140 0.193 0.281 0.341
    Torque Constant oz-in/A 9.94 13.7 19.9 27.3 39.8 48.3
    Voltage Constant V/krpm 7.35 10.1 14.7 20.2 29.4 35.7
    Terminal Resistance Ω 0.0700 0.120 0.260 0.480 1.04 1.60
    Inductance mH 0.26 0.49 1.05 1.98 4.20 6.23
    Peak Current A 93 69 48 33 23 19
    Page-dec35cb0-a890-4d86-9fca-659f4a740370
    EC083A-5 Units
    Rated Voltage V 76.0 96.0 121 152 305 305
    Rated Torque Nm 1.3 1.3 1.4 1.4 1.4 1.6
    Rated Torque oz-in 180 190 190 200 190 230
    Rated Speed rpm 6000 6000 6000 6000 6000 6000
    Rated Current A 24 19 17 12 9.7 6.9
    Rated Power W 790 840 860 890 860 1000
    No Load Speed rpm 6000 6000 6000 6000 6000 6000
    No Load Current A 1.4 1.1 0.92 0.64 0.52 0.32
    Torque Constant Nm/A 0.0634 0.0845 0.0951 0.137 0.169 0.274
    Torque Constant oz-in/A 8.98 12.0 13.5 19.5 23.9 38.8
    Voltage Constant V/krpm 6.64 8.85 9.96 14.4 17.7 28.7
    Terminal Resistance Ω 0.0400 0.0700 0.100 0.190 0.290 0.940
    Inductance mH 0.17 0.30 0.38 0.81 1.22 3.24
    Peak Current A 120 90 78 57 45 29
    Page-819744b3-d4da-41bd-8b6a-86dcec071ccd
    EC083A-6 Units
    Rated Voltage V 76.0 76.0 152 152 305 305 305
    Rated Torque Nm 1.4 1.4 1.3 1.3 1.3 1.3 1.3
    Rated Torque oz-in 190 200 190 190 190 190 180
    Rated Speed rpm 6000 6000 6000 6000 6000 6000 6000
    Rated Current A 28 24 10 8.5 6.8 5.2 3.4
    Rated Power W 860 890 830 840 840 840 800
    No Load Speed rpm 6000 6000 6000 6000 6000 6000 6000
    No Load Current A 1.6 1.3 0.59 0.48 0.39 0.30 0.21
    Torque Constant Nm/A 0.0588 0.0706 0.153 0.188 0.235 0.306 0.442
    Torque Constant oz-in/A 8.33 9.99 21.6 26.6 33.3 43.3 62.6
    Voltage Constant V/krpm 6.16 7.39 16.0 19.7 24.6 32 46.3
    Terminal Resistance Ω 0.0400 0.0500 0.200 0.350 0.540 0.900 2.06
    Inductance mH 0.13 0.19 0.91 1.38 2.15 3.64 7.78
    Peak Current A 130 110 51 42 33 26 17

  • Wiring diagram+



    Color Signal
    Red Phase R
    White Phase S
    Black Phase T
    Bare Case Ground

    Note: EC083A Z-Series Commutation Encoder. See Encoder section for wire color and signal designations.

  • encoder+


    Z encoder
    The Z series incremental encoder adopts the latest ASIC sensor technology. This technology uses fewer components to improve product quality, while reducing packaging size and increasing accuracy. In addition, the accuracy of the commutation channel is better than the typical accuracy of Hall signals, thereby improving system performance. These devices were originally installed on PITTMAN DC motors to match their electrical performance, so the replacement operation will not cause any "damage" to the motor's performance, thus eliminating the need to "initialize" each new motor. The encoder is connected through the motor 16 pin connector mentioned below.

    characteristic:
    • Output channels - incremental A, B, C and commutation U V、W
    • Differential Line Driver - All 6 Channels
    • Reversing of 4 and 8-pole motors
    • Power requirement -200mA @ 5VDC
    • 500KHz operating frequency - all channels
    • Inertia -0.00015 oz inches per second squared
    • RoHS compliant with EU Directive 2002/95/EC
    • Factory installation only

    specifications
    Encoder data symbol unit ZA ZC
    Available resolutions - - 1000 2000
    output - - 2-channel orthogonal with index 2-channel orthogonal with index
    output interface - - TTL compatible TTL compatible
    Differential line driver correct correct
    Reversing pole 8 poles 8 poles
    supply voltage Vcc VDC 4.75 to 5.25 4.75 to 5.25
    Power supply current Icc mA Maximum 200 Maximum 200
    Maximum operating frequency fmaximum kHz 500 500
    operation temperature θmaximum °C -20 to+100 -20 to+100

    dimension

    CONNECTION DIAGRAM
    Pin Z model
    1 Vcc
    2 Channel A
    3 Channel B
    4 Index I
    5 Output U
    6 OUTPUT V
    7 Output W
    8 Case Ground
    9 general
    10 Channel A?
    11 Channel B?
    12 Index I?
    13 Output U?
    14 Output V?
    15 Output W?
    16 Cable shield

    Recommended Encoder Data Sheet
    Z-Encoder Data Sheet PDF

    Backup Encoder Data Sheet
    C Encoder Data Sheet PDF

  • brake+


    B5 brake
    B5 power-off, fail safe hold brake is a NEMA34 flange mounted version designed for direct installation at the front of Pittman NEMA34 motors without the need for an adapter. When the motor and brake are powered off, B5 is designed to keep the load stationary. The holding torque of the bolt brake is 1.7 Nm (15 pound inches).

    characteristic:
    • Maintain a torque of 1.7 Nm
    • NEMA34 end face installation with larger half inch shaft
    • 24Vdc

    specifications
    Brake data unit B5
    Applied voltage VDC 24
    holding torque Newton metre 1.695
    lb-in 15
    electric current A 0.37
    resistance ohm 65
    inertia Kg-m2 3.18E-05
    Ounces, inches, seconds, square 0.0045
    weight Kg 1.3
    pound 2.9

    dimension

    Size - inches (millimeters)
    model B5
    A(3) 3.250 (82.55)
    B(4x) 0.222 (5.64)
    C(2) 18.0 (457.0)
    H(3) 1.58 (40.13)
    L(1) 2.58 (65.53)
    U(1) 0.4997 (12.69)
    U2(3) 0.145 (3.68)
    AH(3) 1.16 (29.46)
    AJ(3) 3.875 (98.43)
    AK(1) 2.875 (73.03)
    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
    B5 Brake Data Sheet PDF

  • Driver+


    Recommended Drivers
    BGE6050

  • Integrated driver+


    EC083A series with integrated driver
    The EC083A series brushless motor can be equipped with an integrated driver for direct connection to a 120V, AC power source. EC083A is an excellent choice for power transmission and simple speed control applications. It has rated power options of 1/4 and 1/3 HP, with continuous torque ranging from 0.073 to 1.5 Nm.

    characteristic:
    • The speed can reach 1750 or 3450 RPM
    • Voltage input 120 V DC
    • NEMA 34 installation
    • reversible

    specifications
    Motor data symbol unit EC083A-1 EC083A-2 EC083A-3
    rated voltage Vr VAC 120 120 120
    minimum voltage VAC 108 108 108
    Maximum voltage VT VAC 132 132 132
    rated torque1 Tr Newton metre 0.915 0.734 1.514
    lb-in 8.1 6.5 13.4
    Speed at rated torque1 ωr rpm 1750 3450 1750
    Current at rated torque1 Ir ampere 2.0 4.0 8.0
    rated power1 Pr tile 168 265 278
    Peak torque (2 seconds) Tpk Newton metre 0.915 0.734 1.514
    lb-in 8.1 6.5 13.4
    Peak current (2 seconds) Ipk ampere 2.0 4.0 8.0
    no-load speed ωnl rpm 1800 3600 1800
    no-load current Inl ampere 1.0 1.1 1.3
    Rotor inertia Jr kg m2 9.94E-05 9.94E-05 1.63E-04
    Pound inch s2 8.80E-04 8.80E-04 1.44E-03
    Maximum winding temperature Θmaximum °C 125 125 125
    Rotation direction SE shaft end reversible reversible reversible
    weight Wm kg 2.80 3.80 4.80
    pound 6.2 8.4 20.6

    dimension

    Recommended integrated driver data sheet
    Integrated Driver Data Sheet
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