Overview
The TPK-I-15 series is a Type 1+2/Class I+II surge protection solution designed for main incoming panels in facilities equipped with external lightning protection systems. Built in a compact monobloc format, th SPDs discharge high-energy lightning currents (Iimp 15 kA per phase) and induced surges (Imax 120 kA), safeguarding sensitive electrical systems. Each model is dedicated to a specific earthing system—TNS, TNC, or TT—and is fully compatible with DIN rail mounting, PLC networks, and optional remote monitoring contacts.

Features
■ Lightning impulse current (Iimp): 15 kA per phase (10/350 µs)
■ Discharge capacity (Imax): up to 120 kA (8/20 µs waveform)
■ Voltage protection level (Up): ≤ 2.0–2.5 kV; ≤ 1.5 kV (N-PE for TT)
■ Response time: < 25 ns (L-N), < 100 ns (N-PE for TT system)
■ Integrated thermal disconnection with status indicator (Green/Red)
■ Optional remote signaling contact (NO/NC 3-pin)
■ PLC-compatible design for modern automation systems
■ Compact monobloc structure, easy to install and retrofit
■ Housing: PA66 UL94 V-0, IP20 protection, up to 4000 m altitude
■ DIN rail mounting (35 mm), for indoor panels and switchboards