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The surge protection device, designated as TTC-6P-3-HF-M-12DC-PT-I, is designed for high-frequency applications and telecommunications interfaces without supply voltage. It includes a protective plug and base element, featuring an integrated status indicator and knife disconnection for three signal wires that share a common reference potential.

This device is suitable for operation in environments classified under Ex e approval for zone 2. It supports a nominal voltage of 12 V DC and has a maximum input current of 600 mA, making it versatile for various applications. The device's dimensions include a width of 6.2 mm and a height of 105.8 mm, which facilitate its installation on a DIN rail.

With an operating temperature range of -40 °C to 85 °C and a pollution degree of 2, this device is engineered to perform reliably in challenging conditions. The surge protection levels ensure that voltage transients are effectively managed, with voltage protection levels of ≤ 145 V for line-line and ≤ 80 V for line-earth scenarios. The response time is ≤ 1 ns, allowing for swift reaction to surges.

Constructed from PBT, the device meets the flammability rating of UL 94 V-0 and operates within a degree of protection rated at IP20. The surge protection fault message is conveyed optically, ensuring clear status indication for maintenance and monitoring.