SPB8FTPA Test Panel by Eaton, Cutler-Hammer or Westinghouse SPB POW-R BREAKER GROUND FAULT TEST PANEL THIS UNIT TO BE USED ONLY WITH SPB TRIP UNITS MARKED WITH LETTER SIFFIX FOLLOWING STYLE NO. 2610DXXGXX NP 255P392H01 New Surplus Inventory Code: A Make an Offer Send to a Friend WHSE Code: M11C3 Return To Misc Electrical Components and Parts