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YA5KKR64A3XXXXXXA   Square D / MasterPact NW40H2 YA5KKR64A3XXXXXXA Circuit Breaker  PN: YA5KKR64A3XXXXXXA 4000 Amp Max. 3 Pole 240 / 480 / 600V 85kA Manually Operated Drawout Breaker Micrologic 6.0A Trip Unit 4000 Amp Rating Plug LSIG functions Modbus Communications Please … Continue reading →