motor type rated:voltage speed torque current No-load:speed current output power
57ZWN78-2420 24V 1200r/min 0.3N.m 2.8A 2000r/min 450mA 40W
57ZWN78-2430 24V 2000r/min 0.3N.m 4.0A 3000r/min 400mA 60W
57ZWN78-2441 24V 3300r/min 0.24Nm 4.2A 4100r/min 220mA 80W
reduction ratio: 3.6 4.25 13 15 18 32 47 55 65 76
welcome to buy BLDC planet gear motor.