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This surge protection device, designated as S-PT-1X2-24DC-3/4", is engineered for sensor applications, ensuring reliability in demanding environments with an IP67 rating. It allows for direct mounting using a 3/4" NPT outer thread, facilitating easy installation. The device features a cable gland for the signal cable, which supports a robust two-stage protective circuit.

Constructed from zinc die-cast with a bronzed and nickel-plated surface, this module ensures durability and corrosion resistance. It functions effectively across a wide range of operational conditions, with an ambient temperature rating from -40 °C to 85 °C and an altitude tolerance up to 2000 m above sea level. The surge protection capabilities include a nominal discharge current of 10 kA for both line-line and line-ground, providing strong defense against electrical surges.

The device operates at a nominal voltage of 24 V DC with a maximum continuous operating voltage of 40 V DC. It supports a rated current of 450 mA at 55 °C, while maintaining a low residual voltage of ≤ 55 V under normal operating conditions. This ensures minimal disruption to the connected sensors.

In terms of operational specifications, the unit is characterized by a response time of ≤ 1 ns for line-line connections and ≤ 100 ns for line-earth connections, ensuring rapid action during transient events. Its design complies with IEC 60664-1 / VDE 0110-1 and IEC 61643-21 standards, making it suitable for various industrial applications where...