No-load Speed: 21rpm, 35rpm, 42rpm, 70rpm, 105rpm, 140rpm, 210rpm, 280rpm, 420rpm. Model: 5D90GN-RV30/RV40. Power: 90W. The worm gear motor with self-locking,even if in the absence of electricity in the motor, the output shaft is not to move, that is self-locking.
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