Grundfos IO 351 A and IO 351 B

IO 351 is a module for exchange of digital and analog signals between CU 351 and the remaining electrical system via GENIbus.

IO 351 is a module for exchange of digital and analog signals between CU 351 and the remaining electrical system via GENIbus. IO 351 comes in variants A and B.
IO 351 A is used for one to three Grundfos pumps with fixed speed.

IO 351 B is used for one to six Grundfos pumps with fixed speed and/or pumps controlled by external frequency converters. The module can also be used as an input-output module for communication with monitoring or other external equipment.





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