Totally enclosed drive unit to IP67 is designed for safety, reliability and long life expectancy. Specifically used for marine and other specialized applications it is particularly suitable for workboats or craft involved in heavy duty usage in medium size applications. Supplied as a fixed or variable arc model for 12 and 24 Volt dc. The standard motor has two speeds and self parking facility. Insulated earth return and EMC filter are standard. Pantograph arm with blades up to 900mm (36 inches) are available.