The Phoenix Contact 1304443 Sealing Ring is designed specifically for M40 hybrid cable connectors, ensuring a secure and reliable seal in industrial applications. This essential component, also known as the SB-Z0034, is crucial for maintaining the integrity and performance of your cable connections. Ideal for use in environments where protection against dust and moisture is paramount, the 1304443 sealing ring enhances the durability and longevity of your industrial automation systems.