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This 1.97 in. sq. frame size PK25 series of miniature 2-phase stepping motors. The motors are available in lengths of 2.03 in. and 3.19 in. These motors produce holding torques of 119 oz-in. and 220 oz-in., respectively, in bipolar excitation mode. The PK256-02B develops running torques of 80 oz-in. at 600 pps with 48 vdc and 1.4 amps per phase input. The longer PK258-02B achieves 155 oz-in. at 300 pps with 48 vdc and 1.4 amps per phase input.
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