STP 5-2

Marker carriers, snaps into STTB,5, STTB, PTTB,5, and PTTB double-level spring-cage terminal blocks, can be marked with UC-TM, UC-TMF, UCT-TM, UCT-TMF, ZB, or ZBF, gray, unlabeled, mounting type: plug in, lettering field size: 5 x 10.5 mm