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Parker: Stepper Motor (ES31B Series) Quality motors that give a smoother velocity performance. 23 and 34-frame S106 motors are 42-frame. For use with the GT and ZETA drives at 120VAC. ES23 and 34 motors are the same as the S and ZETA 57- and 83- motors. ES31B-DNR10: ES, 34F, 1ST, 170V, 10FT, DBL ES31B-SNR10: ES, 34F, 1ST, 170V, 10FT, SGL ES31B-SKR10: 34F, 1STK, 170V, 10FT, SGL, KEY ES31B-SFR10: ES, 34F, 1ST, 170V, 10FT, SGL ES31B-DNR10-EC: ES31, 170V, 10FT, ENCODER ES31B-DKR10-EC: ES31, 170V, 10FT, ENC, KEY
Model No.: ES31B-DKR10-EC, ES31B-DNR10, ES31B-DNR10-EC, ES31B-SFR10, ES31B-SKR10, ES31B-SNR10
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Motor
Size
(mm)
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Parameters
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Static Torque
oz-in
(N-m)
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Rotor inertia
oz-in2
(kg-m2 x 10â2)
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Phase Inductance
Series/ Parallel
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Drive Bus Voltage
(VDC)
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Detent Torque
oz-in
(N-m)
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Weight (net)
Motor+Cable +Connector
lb (kg)
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Size 23 Frame
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ES21B
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117
(0.8)
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0.546
(9.998)
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17.37/4.34
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170
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1.4
(0.01)
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1.6
(0.7)
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ES22B
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196
(1.4)
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1.1
(20.1)
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18.5/4.62
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170
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2.08
(0.01)
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2.4
(1.1)
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ES23B
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264
(1.9)
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1.69
(30.9)
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17/4.25
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170
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2.78
(0.02)
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3.2
(1.5)
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Size 34 Frame
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ES31B
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255
(1.8)
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3.47
(63.4)
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10/2.5
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170
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1.94
(0.01)
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3.8
(1.7)
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ES32B
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502
(3.5)
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6.76
(124)
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10.5/2.62
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170
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4.03
(0.03)
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5.1
(2.3)
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ES33B
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655
(4.6)
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10.47
(191)
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9.2/2.3
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170
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5.55
(0.04)
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8.3
(3.8)
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All motors: Cable
length = 10 feet (3 m); attached connector is pre-wired for series currentParker Sizing and Selection
Tools
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