12STD15B5A ~ GE 12STD15B5A Differential Relay for Transformer Protection with Percentage and Harmonic Restraint
GE
12STD15B5A GE 12STD15B5A Differential Relay for Transformer Protection with Percentage and Harmonic RestraintPN: 12STD15B5AType: STD5 Amp60 Cycle...
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