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High Vacuum Compatible

Stepper Motor


Model : 57ST51-4A-V

1.    Rotor, stator, bearings and shaft are made in Stainless steel

2.    Windings and insulations can support a maximum temperature of 200°C

3.    Winding coil extended outside without soldering for external connections.


    Vacuum compatibility :     Ultra high vacuum compatible Stepper Motor
    Vacuum range :     ≤ 1 x 10-7mbar
    Bake able temperature :     200°C
    Core material :     Stainless steel , Grade - SS430
    Shaft material :     Stainless steel - 304
    Bearings :     Stainless steel - 304
    Side plates :     Aluminium - 6061
    Winding :     Class heavy film Polyester over coated with plyamideimide enameled copper wire, 200°C thermal class
    Plastic parts :     Teflon
    Size of motor :     56 x 56 x 64 mm




Speed vs. Torque Characteristic

    Model     57ST51-4A-V
    1        Rated VoltageV         3
    2        Current / PhaseA         2, 8
    3        Resistance / PhaseΩ         1.1
    4        Inductance / PhaseMH         2.9
    5        Holding TorqueNM         0.6
    6        Rotor InertiaG-CM2         350
    7        WeightKG         0.75
    8        Number of LeadsNº         4

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