The Phoenix Contact 1055708 is a high-quality protective cap from the M17 PRO series, designed to safeguard connectors with an M17 external thread. Constructed from durable TPE material, this protective cap ensures reliable performance in challenging environments, offering a degree of protection rated at IP20. Ideal for industrial applications, it operates effectively in ambient temperatures ranging from -40 °C, making it a versatile choice for safeguarding your connections.