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The Brady M4-51-427 Self-Laminating Vinyl Label Cartridge provides 110 pre-sized wrap-around labels designed for clear, long-lasting wire and cable identification. Manufactured from Brady's B-427 translucent vinyl, these labels feature a white printable zone and a clear tail that overlaps the printed text to protect it from abrasion, solvents, oil, grease, and extreme weather. The cartridge includes both the thermal transfer ribbon and label media for streamlined loading.
These flame-retardant, UL-recognized labels utilize a permanent acrylic adhesive that bonds securely to highly curved, smooth, rough, powder-coated, and irregular surfaces. They are optimized for 6 to 000 AWG wire, accommodating 25-pair copper, 4-12 pair fiber, and coaxial cables.
Technical Specifications
| Manufacturer Model | M4-51-427 |
|---|---|
| Material | B-427 Self-Laminating Vinyl |
| Color | Black text on White / Clear tail |
| Finish | Matte |
| Label Dimensions | 1.0" W x 2.5" H (25.4 mm x 63.5 mm) |
| Printable Area | 1.0" W x 0.75" H (25.4 mm x 19.1 mm) |
| Wire Gauge Compatibility | 6 to 000 AWG |
| Cable Compatibility | 25-pair copper, 4-12 pair fiber, coaxial cables |
| Operating Temperature | -94°F to 158°F (-70°C to 70°C) |
| Adhesive | Permanent Acrylic |
| Yield | 110 labels per cartridge |
| Printer Compatibility | BMP41, BMP51, M511 |
Frequently Asked Questions
What printers are compatible with the M4-51-427 cartridge?
This cartridge is designed for use with Brady BMP41, BMP51, and M511 thermal transfer label printers.
What types of cables are these labels best suited for?
The 2.5-inch length and 0.75-inch printable area make them ideal for 6 to 000 AWG wire, including 25-pair copper bundles, 4-12 pair fiber optic cables, and large coaxial lines.

