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HV4249A High-Temperature Vacuum Stepper Motor 42 mm (NEMA 17)

HV4249A High-Temperature Vacuum Stepper Motor 42 mm (NEMA 17)

42 mm stainless-body HV series stepper for vacuum furnaces, coating and semiconductor equipment.

Model	HV4249A
Frame Size	42 mm (NEMA 17)
Step Angle	1.8°
Holding Torque	0.15 N·m
Phase Current (peak / RMS)	2.0 / 1.4 A
Phase Resistance	1.2 Ω
Phase Inductance	0.8 mH
Weight	0.42 kg
Protection	IP20
Temperature Grade	VMT1/VMT2 · VHT1/VHT2
Vacuum Degree	VMT 10⁻³ Pa · VHT 10⁻⁵ Pa
Matched Driver	HD235

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Key Features

Engineered materials and low-outgassing construction for extreme environments
Custom windings, shafts, flanges and connectors available
100% tested in thermal vacuum / temperature cycling before shipment
OEM and small-batch customization supported

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