The Werma 975.840.04 is a robust contact box with a magnetic base, specially developed for fast and tool-free installation of WERMA KombiSIGN 50, 70, and 71 signal towers. Its integrated magnet allows easy mounting on metal surfaces without drilling, making it ideal for temporary or mobile setups. The box features a durable black PA-GF (polyamide glass fiber) housing and a side cable exit via M16 cable gland, suitable for cable diameters from 5 to 10 mm. With an IP54 rating, it ensures protection against dust and water splashes, making it perfect for industrial environments where flexibility and reliability are key. Key Features: • Magnetic base for quick and secure mounting on metallic surfaces • Compatible with KombiSIGN 50, 70, and 71 signal towers • Side cable exit with M16 cable gland (Ø 5–10 mm) • Compact housing made from black PA-GF plastic • Protection class IP54 – resistant to dust and water splashes • Ideal for mobile or flexible installation scenarios • Dimensions approx. 70 × 70 × 46 mm