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HK5776A Wide-Temperature Stepper Motor 57 mm (NEMA 23)

HK5776A Wide-Temperature Stepper Motor 57 mm (NEMA 23)

57 mm high-torque stepper with professional thermodynamic design for extreme temperature envelopes.

Model	HK5776A
Frame Size	57 mm (NEMA 23)
Step Angle	1.8°
Holding Torque	1.3 N·m
Phase Current (peak / RMS)	3.0 / 2.1 A
Phase Resistance	1.0 Ω
Phase Inductance	2.7 mH
Weight	1.3 kg
Protection	IP65
Temperature Grade	NTL2 (−40~+85 °C) · NTL3 (−60~+85 °C)
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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