STP 5-2 Marker carriers

Marker carriers, snaps into STTB 2,5, STTB 4, PTTB 2,5, and PTTB 4 double-level spring-cage terminal blocks, can be marked with UC-TM 5, UC-TMF 5, UCT-TM 5, UCT-TMF 5, ZB 5, or ZBF 5, gray (RAL 7042), unmarked, mounting type: plug in, text field height: 10.5 mm, text field width: 5 mm