HEMM Customized Molding Machine Hollow Shaft NEMA 8 Stepper Motors

STEP ANGLE    1.8°±5%
N0.OF PHASES    2 
RATED VOLTAGE    4.88 V
RATED CURRENT    0.4 A
RESISTANCE    12.2 ohm±10%      AT 25°C
INDUCTANCE    4.0   mH±20%      AT 1kHz,1Vrms
HOLDING TORQUE    0.025N.m(3.54oz.in)MIN. (AT --PPS)
RUNNING TORQUE(AT --PPS)MIN. (--V.DC,--A(PHASE),--EX)
DIELECTRIC STRENGTH    500V A.C MINUTE
INSULATION RESISTANCE    100 MQ MIN.
INSULATION CLASS    CLASS B
TEMPERATURE RISE    80K MAX.
ROTOR INERTIA    3.6g.cm²(0.02oz.in²)