Brushless DC Motors

Dunkermotoren BG45 dCore Brushless DC Motor

The Dunkermotoren BG 45 dCore is a highly dynamic 3-phase EC motor family with an 8-pole neodymium magnet and Hall sensors for rotor position detection. It is offered in two motor lengths and comes as a standard plug version, making it well suited to compact motion systems that need precise rotor feedback, reliable brushless operation, and straightforward integration with external control electronics.

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BG45 dCore

Features

  • Highly dynamic 3-phase EC motor with 8-pole neodymium magnet.
  • Hall sensors for rotor position detection.
  • Available in BG 45x15 dCore and BG 45x30 dCore versions.
  • Standard plug version.
  • Supply voltage versions from 6Vdc to 48Vdc.
  • Integrated 24 cpr feedback.
Specifications
BG 45 dCore Specifications
Parameter Units BG 45x15
24V		 BG 45x15
48V		 BG 45x30
24V		 BG 45x30
48V
Nominal voltage VDC 24 48 24 48
Nominal current
(thermally connected / insulated)		 A* 4.64 / 3.19 2.31 / 1.60 6.83 / 4.54 3.46 / 2.27
Nominal torque
(thermally connected / insulated)		 Nm* 0.21 / 0.14 0.20 / 0.14 0.35 / 0.22 0.35 / 0.22
Nominal speed
(thermally connected / insulated)		 rpm* 3440 / 4030 3550 / 4120 3040 / 3600 3180 / 3740
Stall torque Nm** 0.747 0.809 1.32 1.391
Maximum torque Nm** 0.665 0.707 1.22 1.33
No load speed rpm* 5130 5170 4510 4530
Nominal output power
(thermally connected / insulated)		 W** 74.5 / 57.3 75.8 / 58.3 112.1 / 82.9 118 / 84.9
Maximum output power W 100.4 113.8 163.5 187.3
Torque constant Nm A⁻¹*** 0.05 0.101 0.058 0.115
Terminal resistance Ω 0.695 2.74 0.422 1.64
Terminal inductance mH 0.602 2.4 0.429 1.73
Peak current A** 17.2 9 26.7 14.3
No load current A** 0.43 0.28 0.54 0.3
Demagnetisation current A** ≥14.2 ≥7.2 ≥23.2 ≥11.6
Rotor inertia gcm² 24 24 44 44
Weight of motor kg 0.44 0.44 0.56 0.56
*) Δϑw = 100 K; **) ϑR = 20°C; ***) at nominal point; 1) see p. 34-36
* For cable lengths over 3m use the 12+3 pin Binder plug with shielded cables.
Downloads
Datasheet_bg_45_dCore.pdf
BG 45 dCore Specifications
Parameter Units BG 45x15
24V		 BG 45x15
48V		 BG 45x30
24V		 BG 45x30
48V
Nominal voltage VDC 24 48 24 48
Nominal current
(thermally connected / insulated)		 A* 4.64 / 3.19 2.31 / 1.60 6.83 / 4.54 3.46 / 2.27
Nominal torque
(thermally connected / insulated)		 Nm* 0.21 / 0.14 0.20 / 0.14 0.35 / 0.22 0.35 / 0.22
Nominal speed
(thermally connected / insulated)		 rpm* 3440 / 4030 3550 / 4120 3040 / 3600 3180 / 3740
Stall torque Nm** 0.747 0.809 1.32 1.391
Maximum torque Nm** 0.665 0.707 1.22 1.33
No load speed rpm* 5130 5170 4510 4530
Nominal output power
(thermally connected / insulated)		 W** 74.5 / 57.3 75.8 / 58.3 112.1 / 82.9 118 / 84.9
Maximum output power W 100.4 113.8 163.5 187.3
Torque constant Nm A⁻¹*** 0.05 0.101 0.058 0.115
Terminal resistance Ω 0.695 2.74 0.422 1.64
Terminal inductance mH 0.602 2.4 0.429 1.73
Peak current A** 17.2 9 26.7 14.3
No load current A** 0.43 0.28 0.54 0.3
Demagnetisation current A** ≥14.2 ≥7.2 ≥23.2 ≥11.6
Rotor inertia gcm² 24 24 44 44
Weight of motor kg 0.44 0.44 0.56 0.56
*) Δϑw = 100 K; **) ϑR = 20°C; ***) at nominal point; 1) see p. 34-36
* For cable lengths over 3m use the 12+3 pin Binder plug with shielded cables.
Datasheet_bg_45_dCore.pdf

Find the Right Model

Model Number Nom. Voltage (Vdc) Nom. Speed (RPM) Nom. Torque (Nm)
product variant BG 45x15 dCore 24V 24Vdc 3440 / 4030 rpm 0.21 / 0.14 Nm
product variant BG 45x15 dCore 48V 48Vdc 3550 / 4120 rpm 0.20 / 0.14 Nm
product variant BG 45x30 dCore 24V 24Vdc 3040 / 3600 rpm 0.35 / 0.22 Nm
product variant BG 45x30 dCore 48V 48Vdc 3180 / 3740 rpm 0.35 / 0.22 Nm

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