The AC synchronous electric motor ASM 16 Series is manufactured by ASTRO Motorengesellschaft. The product has compact and durable design. The product comes with a ball bearing and the shaft speed is 100 rpm and it has 50 Hz. It has protection class that ranges from IP 40 to IP 65 and the voltage ranges from 1~12 to 3~500 V. Lastly, it is maintenance free.