Calpeda NR EI 65/250B/B

The NM EI pumps are available with a power of 0.45 kW to 22 kW and are equipped with I-MAT inverters. They enable the implementation of an extremely compact and efficient variable speed system, which is ideal for use in water supply and for the distribution of hot and cold water. The pump is equipped with sensors programmed directly at the factory and programmable by the user for the desired operating mode.

Advantages

• Energy saving
• More compact system
• Ease of use
• Personalized programming according to
• installation requirements
• Reliability

Design

• Pump
• Electric motor
• I-MAT frequency controller
• Engine Mounting Adapter
• Connecting cable for inverter and electric pump
• Pressure sensors

• Nominal engine power: from 0.45 kW to 22 kW.
• Adjustment range: speed 1750÷2900 1/min (135-pole pumps).
• Dry running protection. Protection against operation with a closed socket.
• Leakage protection. Overvoltage protection in the engine.
• Protection against overvoltage or undervoltage in
• power supply system
• Protection against imbalance between power phases

Scope of application

• Heat supply
• Conditioning
• Cooling and circulation
• Household and industrial sphere

Operating limitations

• Continuous operation mode
• Liquid temperature from -10°C to +90°C
• Ambient temperature no more than 40°C
• Maximum permissible final pressure in the pump body: 10 bar
• Manometric suction height no more than 7 m