DC rolling door motor

الوصف

The features of the dc rolling door motors: 1.Double limit switch : When one limit problem , the other limit can be cut off the power, more safety . 2.Gear chain break proof :could lock chain wheel to prevent the door slipping when the chain split unexpected. 3. Reduction gear box :With the gear wheel transmission , advanced design ,operate stable, bigger moment , lower noise , can be use *0.**0times 4.The Characteristic for contorl part :Using the long life contactor , with the advantage like : energy saving, no quiver in the contact , no leakage magnetic, no temperature rise , no noise , no need maintain , suitable for operate frequency , can be use more than **0,**0 times .Besides with the lightning protection ,won't damage the contactor when thunder. 5.The cover with the high intensity plastic and advanced spray-paint craftwork , stand erode, stand high temperature and moistureproof .