400PPR OMRON Incremental Rotary Encoder E6B2 I SIC devices internal, good reliability, long life, anti-jamming performance. Stainless steel shaft has higher stability and protection. The metal shell is more solid and anti-impact. Outlet end-use waterproof metal interface protection. Bearing load heavy, anti-oil and water. Applicability to a wide variety of mechanical and industrial control.?And the wire connection please according to the label on the encoder. the wrong connection would damage the encoder. Features: 400 pulses per revolution (PPR) Incremental rotary encoder type High accuracy and stable output Compact and durable design Trusted Omron quality Specifications: Manufacture: OMRON Manufacture part no: 400ppr E6B2 Usage/Application: 4 wire Encoder Type: INCREMENTAL Shaft Type: 6MM Resolution: 400PPR Shaft Diameter :40MM Color: BLACK Uses: Motor speed and position feedback CNC machines and automation systems Conveyors and packaging machines Robotics and motion control Industrial control applications Package Includes: 1 X 400PPR Omron Incremental Rotary Encoder E6B2-CWZ6C