Phoenix Contact 0801839 The marker strip can be customized with various labeling options using the THERMOMARK products, including E.300 (D)/600 (D), ROLL 2.0, ROLL, ROLL X1, ROLLMASTER 300/600, and X1.2. The recommended mounting type is adhesive, suitable for terminal blocks with a width of up to 30,000 mm. The labeling can accommodate seven individual labels, with text fields measuring 10mm in height and 30,000mm in width.