ZB 12,LGS:L1-N,PE - Phoenix Contact
Zack marker strip - ZB 12,LGS:L1-N,PE - 0812146; Zack marker strip, Strip, white, labeled, printed horizontally: L1, L2, L3, N, PE, mounting type: snap into tall marker groove, for terminal block width: 12.2 mm, lettering field size: 10.5 x 12.15 mm