BRS39BW761ACA picture- sonepar
3-phase stepper motor - 6.78 Nm - shaft Ø 14mm - L=128mm - w/o brake - conn
Schneider Electric
Range compatibility Lexium SD3
Product or component type Motion control motor
Device short name BRS3
Maximum mechanical speed 3000 rpm
Motor type 3-phase stepper motor
Number of motor poles 6
Supply voltage limits 230 V AC
325 V DC
Mounting support Flange
Motor flange size 85 mm
Length 171 mm
Centring collar diameter 60 mm
Centring collar depth 2 mm
Number of mounting holes 4
Mounting holes diameter 6.5 mm
Circle diameter of the mounting holes 98.99 mm
Electrical connection Connector
Feedback type Single turn encoder
Speed feedback resolution 10000 points/turn
Holding brake Without
Shaft end Woodruff key
Second shaft Without second shaft end
Shaft diameter 14 mm
Shaft length 30 mm
Nominal torque 6 N.m
Peak stall torque 5.78 N.m
Continuous stall torque 5.78 N.m
Holding torque 6.78 N.m
Rotor inertia 3.3 kg.cm²
Resolution 1000 points/turn
1.8 °, 0.9 °, 0.72 °, 0.36 °, 0.18 °, 0.09 °, 0.072 °, 0.036 ° step angle
200, 400, 500, 1000, 2000, 4000, 5000, 10000 steps number of full steps per revolution
Accuracy error +/- 6 arc min
Maximum starting frequency 5.3 kHz
[In] rated current 2.25 A
Resistance 6.5 Ohm (winding)
Time constant 10 ms
Maximum radial force Fr 110 N (first shaft end)
50 N (second shaft end)
Maximum axial force Fa 175 N (tensile force)
30 N (force pressure)
Service life in hours 20000 h (bearing)
Angular acceleration 200000 rad/s²
Net weight 4.3 kg
Standards IEC 60072-1
EN 50347
Type of cooling Natural convection
Ambient air temperature for operation -25…40 °C
Ambient air temperature for storage -25…70 °C
Operating altitude <= 1000 m without power derating
Relative humidity 15…85 % without condensation
Vibration resistance 20 m/s² maximum
A conforming to EN/IEC 60034-14
IP degree of protection IP41 shaft bushing: conforming to EN/IEC 60034-5
IP56 total except shaft bushing: conforming to EN/IEC 60034-5
Temperature class F winding conforming to IEC/EN 60034-1
Packing Units
Unit Type of Package 1 PCE
Number of Units in Package 1 1
Package 1 Weight 5.451 kg
Package 1 Height 22 cm
Package 1 width 19 cm
Package 1 Length 40 cm
Offer Sustainability
Sustainable offer status Green Premium product
REACh Regulation
print REACh Declaration
EU RoHS Directive Pro-active compliance (Product out of EU RoHS legal scope)
print EU RoHS Declaration
Mercury free Yes
RoHS exemption information
print Yes
China RoHS Regulation
print China RoHS declaration
Environmental Disclosure
print Product Environmental Profile
WEEE The product must be disposed on European Union markets following specific waste collection and never end up in rubbish bins
PVC free Yes
Contractual warranty
Warranty 18 months