Alps Alpine EC18A Series 18mm Absolute Water Resistant Encoders feature a 60±20mN・m heavy torque feeling and an insulated shaft. Alps Alpine EC18A Encoders offer a 1mA, 10VDC contact rating and 30,000 cycles operating life. The series offers 12, 15, or 16 positions with an operating temperature range of -20°C to +60°C. Alps Alpine EC18A Series 18mm Absolute Water Resistant Encoders are ideal for home appliances, audio equipment, and electric musical instruments.