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KR Series, 3 phase Permanent Magnet (3.75 Degree/Step) (KR42HM4-551)

KR Series, 3 phase Permanent Magnet (3.75 Degree/Step) - Nema 17
KR Series, 3 phase Permanent Magnet (3.75 Degree/Step) (KR42HM4-551)

KR Series, 3 phase Permanent Magnet (3.75 Degree/Step) - Nema 17
KR Series, 3 phase Permanent Magnet (3.75 Degree/Step) (KR42HM4-551)

KR Series, 3 phase Permanent Magnet (3.75 Degree/Step) - Nema 17
KR Series, 3 phase Permanent Magnet (3.75 Degree/Step) (KR42HM4-551)

KR Series, 3 phase Permanent Magnet (3.75 Degree/Step) - Nema 17
KR Series, 3 phase Permanent Magnet (3.75 Degree/Step) (KR42HM4-551)

KR Series, 3 phase Permanent Magnet (3.75 Degree/Step) - Nema 17
Type N/A KR Series, 3 phase Permanent Magnet (3.75 Degree/Step)
Product Type N/A Stepper Motor
Series N/A 3 Phase KT
Motor Frame Size N/A NEMA 17
Shaft Type N/A
No. of Phases N/A 3
Step Angle N/A 3.75 deg./step
Voltage N/A 2.8 V N/A 4.40 V N/A 3.5 V N/A 5.2 V N/A 3.5 V
Current per 2 Phase N/A 2.0 A N/A 1.3 A N/A 2.0 A N/A 1.2 A N/A 2.5 A
Winding Resistance/2 Phase N/A 1.4 Ω N/A 3.4 Ω N/A 1.75 Ω N/A 4.3 Ω N/A 1.4 Ω
Inductance/2 Phase N/A 1.7 mH N/A 4.0 mH N/A 2.1 mH N/A 8.7 mH N/A 1.7 mH
Holding Torque N/A 8.3 oz·in58.9 mN·m N/A 8.3 oz·in58.9 mN·m N/A 12.5 oz·in98.1 mN·m N/A 12.5 oz·in98.1 mN·m N/A 16.7 oz·in118 mN·m
Detent Torque N/A 0.8 oz·in5.9 mN·m N/A 0.8 oz·in5.9 mN·m N/A 1.4 oz·in9.8 mN·m N/A 1.4 oz·in9.8 mN·m N/A 1.4 oz·in9.8 mN·m
Standard Size N/A 42 x 34 mm1.65 x 1.34 in. N/A 42 x 34 mm1.65 x 1.34 in. N/A 42 x 40 mm1.65 x 1.58 in. N/A 42 x 40 mm1.65 x 1.58 in. N/A 42 x 48 mm1.65 x 1.89 in.
Rotor Inertia N/A 31 g·cm²0.17 oz·in² N/A 31 g·cm²0.17 oz·in² N/A 45 g·cm²0.25 oz·in² N/A 45 g·cm²0.25 oz·in² N/A 57 g·cm²0.31 oz·in²
Drive Method N/A
Weight N/A 210 g0.46 lb N/A 210 g0.46 lb N/A 240 g0.53 lb N/A 240 g0.53 lb N/A 350 g0.77 lb
Insulation Class N/A Jis Class E (120ºC/248ºF) (UL Value : Class B 130ºC/266ºF)
Insulation Resistance (Motor Section) N/A 500 VDC, 100 MO min.
Dielectric Strength N/A 500 VAC, 50 HZ, 1 min.
Operating Temperature Range N/A 0 to 50 ºC
Allowable Temperature Rise N/A 70 ºK
Torque Curves N/A
KR42HM4-551-ST-CURVE.jpg
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KR42HM4-552-ST-CURVE.jpg
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KR42JM4-551-ST-CURVE.jpg
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KR42JM4-552-ST-CURVE.jpg
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KR42KM4-551-ST-CURVE.jpg
Dimensions N/A
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Additional Information N/A
a2081.jpg

a2489.jpg

a2490.jpg

a2506.jpg

Explanation of Dynamic Torque Curves

KR42EM4.jpg

KR42HM4-551-.jpg

KR42HM4-551-VIBRATION.jpg
 		N/A
a2081.jpg

a2489.jpg

a2490.jpg

a2506.jpg

Explanation of Dynamic Torque Curves

KR42EM4.jpg

KR42HM4-551-.jpg

KR42HM4-552-VIBRATION.jpg
 		N/A
a2081.jpg

a2489.jpg

a2490.jpg

a2506.jpg

Explanation of Dynamic Torque Curves

KR42EM4.jpg

KR42HM4-551-.jpg

KR42JM4-551-VIBRATION.jpg
 		N/A
a2081.jpg

a2489.jpg

a2490.jpg

a2506.jpg

Explanation of Dynamic Torque Curves

KR42EM4.jpg

KR42HM4-551-.jpg

KR42JM4-552-VIBRATION.jpg
 		N/A
a2085.jpg

a2489.jpg

a2490.jpg

a2506.jpg

Explanation of Dynamic Torque Curves

KR42EM4.jpg

KR42HM4-551-.jpg

KR42KM4-551-VIBRATION.jpg
Min. High Level Input Voltage (Vih) N/A
Max. High Level Input Voltage (Vih) N/A
Min. Low Level Input Voltage (Vil) N/A
Max. Low Level Input Voltage (Vil) N/A
Min. Rise Time (Tr) N/A
Max. Rise Time (Tr) N/A
Max. Fall Time (Tf) N/A
Min. Input Pulse Range (Twl) N/A
Min. Direction of Rotation Change Timing (Twh) N/A
Power Supply N/A
Min. Low Label Maintenance (Tw) N/A
Min. High Label Maintenance (Twh) N/A
Customize N/A Custom Designs