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HS2851A High-Temperature Vacuum Stepper Motor 28 mm (NEMA 11)

HS2851A High-Temperature Vacuum Stepper Motor 28 mm (NEMA 11)

Stainless-steel 28 mm stepper for vacuum chambers and thermal environments to +200 °C.

Model	HS2851A
Frame Size	28 mm (NEMA 11)
Step Angle	1.8°
Holding Torque	0.09 N·m
Phase Current (peak / RMS)	0.85 / 0.6 A
Phase Resistance	8.2 Ω
Phase Inductance	7.3 mH
Weight	0.25 kg
Protection	IP20
Temperature Grade	VMT1 (−20~+200 °C) · VMT2 (−20~+150 °C) · VHT1 (−20~+200 °C) · VHT2 (−20~+160 °C)
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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Holding Torque: 0.8 N·mTemp: up to +200 °C

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