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BRx42-40

BRx42-40

Product catalog summary
BRx42-40 PMDC Motor Overview
The BRx42-40 PMDC motor features a 42 mm frame and a 34 mm stack. Customizations are available upon request, including custom shaft lengths and diameters, dual-sided shafts, special windings for specific voltages and speeds, higher IP protection classes, and custom flanges and connectors. All products comply with EN60034-1:2010 performance tolerances, and Parvalux regularly tests their products to ensure accuracy.

Technical Specifications
  • Part Numbers: 781079, 781080, 781081
  • Nominal Power: 20 W
  • Nominal Voltage: 12 V, 24 V, 48 V
  • No Load Speed: 4128 rpm (12 V), 4064 rpm (24 V, 48 V)
  • No Load Current: 0.22 A (12 V), 0.11 A (24 V), 0.05 A (48 V)
  • Nominal Speed: 3000 rpm
  • Nominal Continuous Torque (S1): 0.057 Nm
  • Nominal Continuous Current (S1): 2.16 A (12 V), 1.06 A (24 V), 0.53 A (48 V)
  • Max. Intermittent Torque (S2 - 15 minutes): 0.09 Nm
  • Stall Current: 9.60 A (12 V), 4.64 A (24 V), 2.30 A (48 V)
  • Stall Torque: 0.27 Nm
  • Stack Length: 34 mm
  • Maximum Efficiency: 77%
  • Terminal Resistance (phase to phase): 1.25 Ω (12 V), 5.17 Ω (24 V), 20.80 Ω (48 V)
  • Speed Constant: 340 rpm/V (12 V), 165 rpm/V (24 V), 84 rpm/V (48 V)
  • Torque Constant: 0.029 Nm/A (12 V), 0.060 Nm/A (24 V), 0.120 Nm/A (48 V)
  • Speed Torque Gradient: 15200 rpm/Nm
  • Rotor Inertia: 1.4 x 10-5 Kgcm2
  • Ambient Temperature: 40°C

Mechanical and Other Data
  • Radial Load: 350 N at 15 mm from flange
  • Number of Poles: 2
  • Weight: 0.52 Kg
  • IP Rating: IP54
  • Enclosure: Enclosed
  • Insulation Class: F
  • Reversible: Yes

Additional Components
  • Encoder: Optical
  • Controller Options: SC 50/15, ESCON, EPOS
  • Gearbox Options: PGH42, PGH52

Note: All dimensions are in mm, and additional length may be required for mounting flanges between components.
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Catalog excerpts

BRx42-40-1

PMDC motor Part number key Modular Standard Calculated data Available on request: Custom shaft length and diameter, shaft on both sides, special windings for specific voltages and speed, higher IP protection class, custom flanges and connectors All products are built in accordance to performance tolerances from EN60034-1:2010. As continuous improvement, Parvalux periodically test their product range to ensure test results are as accurate as possible and are therefore subject to change. Please ensure you are using the latest datasheets found on our website 4 No load speed 5 No load current 7 Nominal continuous torque (S1) 8 Nominal continuous current (S1) 9 Max. intermittent torque (S2 - 15 minutes) 14 Terminal resistance - phase to phase 15 Terminal inductance - phase to phase 16 Speed constant 17 Torque constant 18 Speed torque gradient 19 Rotor inertia 17 Thermal data 20 Ambient temperature Mechanical data 21 Radial load [distance from flange] Modular system Brake N/A Other data 22 Number of poles 23 Weight +L mm = approximate added length* Encoder Optical Controller SC 50/15 ESCON EPOS *additional length may also be required for mounting flange between components additional information available o

 Open the catalog to page 1

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.