EXC42 : EXC-Series BLDC Motor

Type: Servo Motor
Size: 4 inches or 10.2 cm
Peak Torque: to 1250 oz-in or 883 Ncm



High-Performance. Servo.
The EXC-Series 4-inch AC Servo motor offers customers high economic value and superior reliability. The EXC-Series is a cost-improved version of the popular Excalibur family of AC Servo motors sold under the Rockwell Automation brand. This product provides considerable cost improvements for a variety of light industrial, commercial, and medical applications.

EXC42 Speed / Torque Curves

exc42exc42exc42

EXC42 Mechanical / Winding Data

Stack Size Models EXC42 - 230 EXC42 - 350 EXC42 - 400
Continuous Stall Torque (oz-in) 230 350 400
Continuous Stall Torque (Ncm) 162.40 247.13 282.44
Peak Torque (oz-in) 750 1000 1250
Peak Torque (Ncm) 529.58 706.10 882.63
Motor Constant (oz-in / Watt) 36.70 50.60 57.40
Electrical Constant (msec) 3.56 3.80 3.81
Mechanical Constant (msec) 3.45 2.71 2.81
Rotor Inertia (oz-in-sec2) 0.0329 0.0489 0.0650
Rotor Inertia (gm-cm2) 2323.4 3453.3 4590.3
Thermal Resistance (C / Watts) 0.9 0.8 0.7
Weight (oz) 160.0 224.0 288.0
Weight (Kg) 4.5 6.4 8.2
Length (inches) 6.9 7.9 8.9
Length (cm) 17.5 20.1 22.6
Number of Poles 4 4 4

Winding Models 230V60 230V160 230V325 350V60 350V160 350V325 400V60 400V160 400V325
Design Voltage
(VDC)
60 160 325 60 160 325 60 160 325
Continuous Current
(Amps)
19.6 7.5 3.8 19.6 11.2 5.8 20.4 13.2 7.3
Peak Current
(Amps)
48.2 19.1 9.7 45.1 24.9 13.1 51.4 30.8 16.5
Voltage Constant
±10%
(VDC/kRPM)
12.8 32.2 63.3 18.2 32.3 62.5 20.0 33.3 62.2
Torque Constant
±10%
(oz-in / Amp)
17.3 43.6 85.6 24.6 43.7 84.5 27.1 45.0 84.1
Torque Constant
±10%
(Ncm / Amp)
12.216 30.788 60.447 17.371 30.859 59.670 19.137 31.777 59.388
Resistance
±10%
(Ohms)
0.2 1.4 5.6 0.2 0.8 2.8 0.3 0.6 2.0
Inductance
±10%
(mH)
0.8 5.0 19.3 0.9 3.0 10.6 0.8 2.3 8.2

EXC42 Outline Drawing

drawing_exc42.gif

EXC42 Commutation Sequence

hall diagram