Page 21 - Exlar - EL/ER series Explosion-proof actuators and motors

ER120 Explosion-Proof Motors

Electrical and Mechanical Specifications

Motor Stator 1A8 1B8 118 138 158 168 2A8 2B8 238 258 268 338 358 368
RMS SINUSOIDAL COMMUTATION DATA
Continuous Motor lbf-in 71.8 71.8 74.1 74.1 74.3 74.1 120.5 120.5 123.6 121.4 123.8 172.3 168.9 176.9
Torque N-m 8.11 8.11 8.37 8.37 8.39 8.37 13.61 13.61 13.96 13.72 13.96 19.46 19.09 19.98
lbf-in 143.6 143.6 148.2 148.2 148.6 148.2 241.0 241.0 247.2 242.8 247.2 344.5 337.8 353.7
Peak Motor Torque
N-m 16.22 16.22 16.74 16.74 16.79 16.74 27.23 27.23 27.93 27.43 27.93 38.93 38.17 39.96
Torque Constant (Kt) lbf-in/A 5.3 5.3 4.3 8.7 15.7 17.3 5.3 5.3 8.7 15.8 17.3 8.5 15.8 17.5
(+/- 10% @ 25°C) N-m/A 0.60 0.60 0.49 1.00 1.80 2.00 0.60 0.60 1.00 1.80 2.00 1.00 1.80 2.00
Continuous Current Rating A 15.2 15.2 19.1 9.5 5.3 4.8 25.5 25.5 15.9 8.6 8.0 22.7 11.9 11.3
Peak Current Rating A 30.4 30.4 38.2 19.1 10.6 9.5 51.0 51.0 31.8 17.1 15.9 45.4 23.8 22.5
O-PEAK SINUSOIDAL COMMUTATION
Continuous Motor lbf-in 71.8 71.8 74.1 74.1 74.3 74.1 120.5 120.5 123.6 121.4 123.6 74.1 74.1 74.1
Torque N-m 8.11 8.11 8.37 8.37 8.39 8.37 13.61 13.61 13.96 13.72 13.96 8.37 8.37 8.37
lbf-in 143.6 143.6 148.2 148.2 148.6 148.2 241.0 241.0 247.2 242.8 247.2 344.5 337.8 353.7
Peak Motor Torque
N-m 16.22 16.22 16.74 16.74 16.79 16.74 27.23 27.23 27.93 27.43 27.93 38.93 38.17 39.96
Torque Constant (Kt) lbf-in/A 3.7 3.7 3.1 6.1 11.1 12.3 3.7 3.7 6.1 11.2 12.3 6.0 11.2 12.4
(+/- 10% @ 25°C) N-m/A 0.42 0.42 0.35 0.70 1.25 1.39 0.42 0.42 0.70 1.27 1.39 0.68 1.27 1.40
Continuous Current Rating A 21.5 21.5 27.0 13.5 7.5 6.7 36.1 36.1 22.5 12.1 11.3 32.1 16.9 15.9
Peak Current Rating A 43.0 43.0 54.0 27.0 15.0 13.5 72.1 72.1 45.0 24.2 22.5 64.2 33.7 31.9
MOTOR DATA
Voltage Constant (Ke) Vrms/Krpm 36.1 36.1 29.6 59.2 106.9 118.5 36.1 36.1 59.2 108.2 118.5 58.0 108.2 119.8
(+/- 10% @ 25°C) Vpk/Krpm 51.0 51.0 41.9 83.8 151.2 167.6 51.0 51.0 83.8 153.0 167.6 82.0 153.0 169.4
Pole Configuration 8
Resistance (L-L) Ohms 0.31 0.31 0.20 0.80 2.60 3.21 0.13 0.13 0.34 1.17 1.35 0.20 0.72 0.81
(+/- 5% @ 25°C)
Inductance (L-L) mH 4.8 4.8 3.3 13.0 42.4 52.1 2.3 2.3 6.3 21.1 25.3 4.0 13.1 17.1
(+/- 15%)
Armature Inertia lbf-in-sec 2 0.00538 0.00818 0.01097
(+/- 5%) Kg-cm 2 6.082 9.242 12.400
lbf-in-sec 2 0.00030
Brake Inertia
Kg-cm 2 0.339
Brake Current @ A 1.0
24VDC (+/- 10%)
Brake Holding Torque lbf-in 177
- Dry (N-m) 20
Brake Engage/ ms 13/50
Disengage Time
Mechanical Time ms 0.94 0.94 0.91 0.91 0.9 0.91 0.58 0.58 0.57 0.59 0.57 0.47 0.47 0.45
Constant ™
Electrical Time ms 15.73 15.73 16.26 16.26 16.34 16.25 18.41 18.41 18.72 18.06 18.72 20.08 20.19 21.16
Constant (te)
lbf-in 1.39 1.39 1.39 1.39 1.39 1.39 1.75 1.75 1.75 1.75 1.75 2.25 2.25 2.25
Friction Torque
N-m 0.157 0.157 0.157 0.157 0.157 0.157 0.197 0.197 0.197 0.197 0.197 0.254 0.254 0.254
Bus Voltage Vrms 24 VDC 48 VDC 115 230 400 460 24 VDC 48 VDC 230 400 460 230 400 460
Speed @ Bus Voltage rpm 300 750 3000 300 750 3000 3000
Insulation Class 180 (H)
Ambient Temperature Rating -29°C to 93°C
Insulation System Voltage Rating T4, 135°C Maximum Allowable Surface Temperature ER120
Test data derived using NEMA recommended aluminum heatsink 12” x 12” x 1/2” at 25°C ambient

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