Technical Tips
Power Supplies
March 2013
How to reduce the size of a DC Power supply
The use of electronic DC contactors and control relays can reduce the size requirements of DC power supplies. The CRI7E external electronic interface is another way to reduce DC power requirements.
April 2011
Undersized Power Supplies can cause DC Contactor Coil Failures
Customers often select a marginally sized 24VDC power supply to offset costs compared to a CCT. This often leads to DC contactor coil failure and costly downtime. The standard features of improperly sized power supplies can inflict disaster on the contactor coils they are operating.
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