Brushed DC Motors

Dunkermotoren GR80 SERIES Brushed DC Motor

The Dunkermotoren GR80 Series Brushed DC Motor is a high-torque and durable solution, delivering continuous power outputs up to 224W with peak performance reaching 817W. Designed for industrial and commercial applications, this series is ideal for heavy-duty equipment, automation systems, and machinery requiring reliable and robust motion contro...

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The Dunkermotoren GR80 Series Brushed DC Motor is a high-torque and durable solution, delivering continuous power outputs up to 224W with peak performance reaching 817W. Designed for industrial and commercial applications, this series is ideal for heavy-duty equipment, automation systems, and machinery requiring reliable and robust motion control.

Key features include a durable ball-bearing construction for long-lasting performance and bidirectional rotation for flexible operation. The GR80 Series supports nominal voltages from 12V to 60V, with customisation options for shaft length, diameter, and high-voltage winding. An optional IP54 protective cover ensures enhanced durability in challenging environments, with further protection levels up to IP67 available on request. Modular compatibility with Dunkermotoren gearboxes, controllers, encoders, and brakes allows for tailored configurations to suit specific application requirements.

The GR80 Series offers dependable operation in demanding environments, with features like high torque output, vibration resistance, and low noise levels. Its versatile design makes it an excellent choice for applications requiring precision, reliability, and adaptability.

Whether you're designing automation equipment or powering heavy-duty machinery, the Dunkermotoren GR80 Series delivers the performance and flexibility you need.

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Dunkermotoren GR80 Series Brushed DC Motor
Features
  • Nominal Voltage: 12~60VDC
  • Stack Length: 40mm~80mm
  • Nominal Torque: 0.345~0.67 Nm
  • Nominal Speed: 2700~3400rpm
  • Nominal Output Power: 97.5~224.5 W
  • Modular compatibility with Dunkermotoren gearboxes, controllers, encoders, and brakes
Specifications
DATA UNITS GR 80x40 GR 80x80
Nominal voltage VDC 12 24 40 48 60 24 40 48 60
Stack length mm x40 x40 x40 x40 x40 x80 x80 x80 x80
Nominal current A*) 11,5 6.3 4.3 3.4 2.7 10 6.2 5.6 4.3
Nominal torque Nm*) 0.345 0.38 0.39 0.385 0.385 0.59 0.67 0.67 0.67
Nominal speed rpm*) 2700 2960 3400 3130 3100 3150 2970 3200 3090
Stall torque Nm**) 2.4 3.24 4.10 3.56 3.52 7.45 8.85 9.47 9.22
Maximum torque Nm**) - - 3.12 3.23 3.23 6.06 6.01 6 6
No load speed rpm*) 3100 3210 3590 3380 3350 3285 3050 3300 3200
Nominal output power W**) 97,5 118 139 127 126 195 208 224.5 217
Maximum output power W 194,7 272 385 315 308 641 707 817 764
Torque constant Nm A-1***) 0.036 0.068 0.095 0.129 0.163 0.067 0.118 0.132 0.171
Terminal Resistance Ω 0.18 0.5 0.926 1.460 2.27 0.214 0.533 0.67 1.01
Terminal inductance mH 0.9 2.5 5.2 7.3 11.3 1.5 3.73 4.7 6.9
Starting current A**) 67 48 43.2 28 21.7 112 75 72 54
No load current A**) 0.93 0.5 0.330 0.3 0.21 0.7 0.37 0.35 0.3
Demagnetisation current A**) ≥ 96 ≥ 48 ≥ 32 ≥ 25 ≥ 20 ≥ 91 ≥ 51 ≥ 46 ≥ 35
Rotor inertia gcm2 1800 1800 1800 1800 1800 3200 3200 3200 3200
Weight of motor kg 2.8 2.8 2.8 2.8 2.8 4.0 4.0 4 4.0
External controller Model BGE 5510 dPro BGE 5510 dPro
Encoder Model RE 20, RE 30 (TI), RE 56 (TI) RE 20, RE 30 (TI), RE 56 (TI)
Brakes Model E 90 R, E 100 R/A E 90 R, E 100 R/A
Magnetic pulse encoder Model ME 80 ME 80
Planetary gearbox Model PLG 60, PLG 63 EP/HT, PLG 75 EP/HT, PLG 95 PLG 60, PLG 63 EP/HT, PLG 75 EP/HT, PLG 100
Right-angle gearbox Model STG65, SG 120 STG65, SG 120
IP Cover Model IP54 cover IP54 cover
Downloads
GR_80x40_Brushed_DC_Motor_Datasheet.pdf
GR_80x80_Brushed_DC_Motor_Datasheet.pdf
GRxx_Series_Installation_Manual.pdf
Warranty & Returns

Warranty periods vary by product. Please refer to the Powerbox Warranty Policy for the applicable coverage period against manufacturing defects from date of purchase. For returns and RMA requests, please visit our RMA support page or contact our support team directly.