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The cylindrical parallel rotor is produced with single windings for single speed hoists or dual windings for dual speed hoists and all have class F insulation.
Manufacture in accordance with FEM class 2m, the duty cycle for single speed hoists is 40% and 10 + 30% for dual speed hoists. The supply voltage for these motors can be specified when ordering and they are available in a wide range of voltages, phases and hertz, thus making the RWM chain hoists again very versatile and capable of working in any environment.
The braking system of the chain hoist uses a 230V spring-activated electro magnetic brake which allows for quick and safe stopping allowing the load to be held at any desired height or position. The chain hoist has an IP54 protection which protects it against just, limited ingress and against low pressure jets of water from all directions, limited ingress, for standard indoor use. For other environments, please contact RWM.
Found in the gear box’s are epicycloid, totally enclosed and lubricated with a permanent high performance grease. The gears are manufactured from high tensile steel and are hardened and heat treated for smooth operation and maximum life span. In addition, due to its sealed lubrication, the chain hoist can operate within a temperature range of -20°C to +60°C.
The slipping clutch is a safety device which limits both the up and down stroke of the chain hoist, by limiting a possible overload. It is constructed from asbestos free braking plates held under pressure by cup springs and is adjustable. Note: this is only a safety feature and should not be used as a working limit. The clutch is setting at 15% respect the nominal capacity of hoist.
The panel is fully hard wired with all components mounted on a steel backing plate. The panel includes high quality contactor switches, a transformer for low voltage (24V) controls, brake rectifier, fuses and connector terminals.
Thanks to these high quality components, up to 240 operations per hour can be carried out. The electrical control panel is mounted in an IP65 plastic enclosure and follows the CEI-EN 60204 norms. In addition, the panel are fully compatible and interchangeable with a full range of hoist models.
The hoists central body and patented chain guide are machined from one single casting, this allows precise possitioning of the load chain into the load sprocket.