E-SPD+ Variable Speed Drive

Variable speed pump controller

E-SPD+ Variable Speed Drive

Variable speed pump controller

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A new generation of air-cooled variable speed drives which can either be fitted directly on the pump motor terminal box or wall mounted using the optional wall installation kit, ideal for control of submersible pumps.

The Ebara E-SPD+ motor mounted variable speed drive controls the automatic operation of the pump via a pressure transducer wired to each drive, eliminating the Possibility of the risk caused by any single point of failure.

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The Ebara E-SPD+ drive has 2 RS485 ports for communication and operation of up to 8 pumps. The innovative LCD display gives an easy overview of the system status and of the operating parameters and for keeping track of the history of the key parameters, faults and alarms.

4 models are available as follows:

E-SPD+ 2200MT – use with 230v~3ph~50hz motors up to 2.2kW with 230v~1ph~50hz power supply.

E-SPD+ 4000TT – use with 400v~3ph~50hz motors up to 4.0kW with 400v~3ph~50hz power supply.

E-SPD+ 4000TT(M112) – use with 400v~3ph~50hz 4 pole motors up to 4.0kW with 400v~3ph~50hz power supply.

E-SPD+ 11000TT – use with 400v~3ph~50hz motors up to 11.0kW with 400v~3ph~50hz power supply.

Features of the E-SPD+ drive are as follows:

  • Highly flexible, enabling it to be used with both surface and submersible centrifugal pumps.
  • Innovative LCD display for viewing and changing operating parameters and for keeping track of the history of the key parameters, faults and alarms. The cover can be rotated 180° for easier reading.
  • System protection against overcurrent, input voltage fluctuations, dry running and losses in the system.
  • Easy installation and programming thanks to the highly-intuitive and user-friendly software.
  • Connectivity is provided by 4 configurable digital inputs, 2 configurable digital outputs, 2 analogue 4-20 mA inputs, 1 0-10v input, and 1 input for PTC.

The E-SPD+ also has 2 RS485 ports for communication and parallel operation of up to 8 pumps, as well as for monitoring systems with the ModBus connection. The versatility of the E-SPD+ means it is suitable for numerous applications and systems, such as:

  • Constant pressure for pressure boosting systems
  • Differential pressure for circulation systems
  • Constant temperature for circulation systems
  • Differential temperature for circulation systems
  • Fixed speed
  • Variation of frequency via remote control 0-10V