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Grundfos VFD CR Pumps. Materials are identical to those of the CR, CRI and CRN pump ranges. An E-pump is not just a pump, but a system which is able to solve application problems or save energy in a variety of pump installations. All that is required, is the power supply connection and the fitting of the E-pump in the pipe system, and the pump is ready for operation. The pump has been tested and pre-configured from the factory. The operator only has to specify the desired setpoint (pressure) and the system is

In new installations, the E-pumps provide a number of advantages. The integrated variable frequency drive has a built-in motor protection function which protects both motor and electronics against overload. This means that E-pump installations do not require a motor-protective circuit breaker, but only a normal short-circuit protection for the cable.