The Phoenix Contact STP 5-2 marker carrier is a crucial accessory for organized and efficient electrical panel management. Designed to snap onto double-level spring-cage terminal blocks like STTB 2.5, STTB 4, PTTB 2.5, and PTTB 4, this carrier significantly expands the available labeling area. Compatible with UC-TM 5, ZB 5, UC-TMF 5, and ZBF 5 markers, it allows for clear and concise identification of circuits and connections. Manufactured from durable PA material and free from silicone and halogen, the STP 5-2 ensures reliable performance and compliance with industry standards. Its compact dimensions and ease of installation make it an ideal solution for a wide range of industrial applications, from automation and control systems to power distribution and lighting.