Brushless DC Motors

Dunkermotoren BG 75 dCore Brushless DC Motor

The Dunkermotoren BG 75 dCore is a highly dynamic 3-phase EC motor with an 8-pole neodymium magnet, Hall sensors for rotor position detection, and a high-resolution magnetic encoder MR 1 (4×1,024 pulses per revolution, 4096 cpr). The motor uses a One-Connector-Solution for simplified connectivity. Available in BG 75x25, BG 75x50, and BG 75x75 st...

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The Dunkermotoren BG 75 dCore is a highly dynamic 3-phase EC motor with an 8-pole neodymium magnet, Hall sensors for rotor position detection, and a high-resolution magnetic encoder MR 1 (4×1,024 pulses per revolution, 4096 cpr). The motor uses a One-Connector-Solution for simplified connectivity. Available in BG 75x25, BG 75x50, and BG 75x75 stack lengths with supply voltage options from 12 Vdc to 325 Vdc, the series delivers continuous output power up to 546 W and peak output power up to 1,150 W.

Nominal torque spans 0.62 Nm to 1.50 Nm, nominal speed from 3,315 rpm to 3,780 rpm, and motor weights from 1.6 kg to 2.8 kg. Rotor inertia ranges from 233 gcm² to 652 gcm² depending on stack length. Premium efficiency and protection class up to IP65 (for supply voltages above 36 V) are standard. An integrated 24 cpr feedback is included, with an optional 4096 cpr feedback. Redundant encoders for safe system design are optionally available. Note: 12 V versions use a different connection arrangement.

Compatible controllers include BGE 8060 dPro, BGE 5510 dPro, BGE 6060 A, and BN 6773. The modular system supports planetary gearboxes (PLG 60, PLG 63 EP/HT, PLG 75 EP/HT, PLG 80 LB, PLG 95 HT), angular gearboxes (SG 120, STG 65, KG 120, KG 150), and hub gearboxes (NG 500, NG 250).

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Features
  • Highly dynamic 3-phase EC motor with 8-pole neodymium magnet.
  • Hall sensors for rotor position detection.
  • High-resolution magnetic encoder MR 1 with 4096 cpr (optional).
  • One-Connector-Solution for simplified wiring.
  • Supply voltage from 12Vdc to 325Vdc.
  • Integrated 24 cpr feedback standard; 4096 cpr feedback optional.
  • Premium efficiency rating.
  • Protection class up to IP65 (>36 V supply).
  • Redundant encoders for safe system design (optional).
  • Note: 12V versions use a different connection arrangement.
Specifications
BG 75 dCore Specifications
Parameter Units BG 75x25
12V		 BG 75x25
24V		 BG 75x25
40V		 BG 75x25
325V		 BG 75x50
24V		 BG 75x50
40V		 BG 75x50
325V		 BG 75x75
40V		 BG 75x75
325V
Nominal voltage VDC 12 24 40 325 24 40 325 40 325
Nominal current A* 23.9 13.1 7.4 0.86 21 12 1.5 15.6 2.0
Nominal torque Nm* 0.66 0.66 0.64 0.62 1.09 1.1 1.1 1.5 1.49
Nominal speed rpm* 3315 3620 3650 3400 3780 3500 3570 3370 3480
Stall torque Nm** 4.06 3.9 3.9 4.5 7.25 9.2 9.3 12 12.1
Maximum torque Nm** 2.5 2.5 2.5 2.5 5 5 5 6.3 6.3
No load speed rpm** 4480 4950 4800 4650 4660 4400 4470 4100 4210
Nominal output power W* 229 250 240 220 431 400 411 530 546
Maximum output power W 367 420 420 445 860 865 870 1150 1150
Torque constant Nm A⁻¹*** 0.034 0.064 0.11 0.9 0.052 0.117 0.8 0.119 0.92
Terminal resistance Ω 0.025 0.074 0.22 15.2 0.04 0.1 6.4 0.07 4.45
Terminal inductance mH 0.11 0.4 1.2 85 0.25 0.63 40.3 0.45 28
Starting current A** 371 325 180 19 735 400 51 570 73
No load current A** 2.4 1.1 0.66 0.08 1.76 1 0.13 1.2 0.15
Demagnetisation current A** ≥128 ≥66 ≥38 ≥4.6 ≥99 ≥56 ≥6.9 ≥64 ≥8.1
Rotor inertia gcm² 233 233 233 233 437 437 437 652 652
Weight of motor kg 1.6 1.6 1.6 1.6 2.2 2.2 2.2 2.8 2.8
*) Δϑw = 100 K; **) ϑR = 20°C ***) at nominal point
Please note the different connection for 12V versions
Downloads
Datasheet_BG75_dCore.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.