| pump calpeda NR EI 50/125A/B | |
| Pressure: | 17.5m |
| Flow: | 30m3/h |
| Pump power: | 2.2 kW |
| Pump type: | centrifugal In-line |
| Voltage: | 380V |
| Pump material: | cast iron |
| Wheel material: | cast iron |
| Wheel type: | centrifugal |
| Pump location: | vertical |
| Type of connection: | flange |
| Diameter of nozzles: | 50x50mm |
Variable speed pumps
NR(D) EI, NR4 EI pumps available from 0.25 kW to 18.5 kW and equipped with I-MAT inverters.
They enable the realization of an extremely compact and efficient variable speed system that is ideally
suited for use in water supply and distribution hot and cold water.
sensors programmed directly at the factory and programmed by the user for the
necessary mode of operation.
Advantages
- Energy savings.
- More compact system .
- Ease of use.
- Personalized programming according to installation requirements.
- Reliability.
Design
System components:
- Pump
- Electric motor (two for NRD, NRD4)
- I-MAT frequency controller (two for NRD, NRD4)
- Adapter for mounting on the motor (two for NRD, NRD4)< br/>- Connecting cable for inverter and electric pump
- Pressure sensors
- Communication cable for multi-pump installation NRD, NRD4
- 2 boards for multi-pump installation NRD, NRD4
Main characteristics:
Nominal motor power: from 0.25 kW to 18.5 kW
Adjustment range: revolutions 1750÷2900 1/min (2-pole pumps).
Adjustment range: revolutions 870 ÷ 1450 1/min (4-pole pumps).
Protection against dry running
Protection against operation with a closed nozzle
Protection against leakage
Protection against overvoltage in the motor
Protection against overvoltage or undervoltage in the power system
Protection against imbalance between power phases
pump calpeda NR EI 50/125A/B
pump calpeda NR EI 50/125A/B
pump calpeda NR EI 50/125A/B
pump type
innings
pressure
electric motor:
pump power
voltage
pump material
wheel material
pump location
connection type
wheel type
Dimensions and weight
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