Electromechanica Cirprotec PSM4-20/400 TT (Type 2, 20 kA, 3P+N)

Surge Capacity:

• Maximum discharge current: Iₘₐₓ = 20 kA per phase (8/20 µs waveform)

• Voltage protection level: Uₚ ≤ 1.4 kV (L–N)
  Voltage Ratings:

• Continuous operating voltage: U_c = 320 V (L–N)
  

Configuration & Mounting:

• 4 poles (L1, L2, L3, N) fitting a 3-phase + neutral configuration—perfect for industrial or commercial boards

• 4 modular width (each module ~18 mm) and DIN‑rail mountable, simplifying integration into distribution panels
  

Replaceable Cartridge Design:

• Plug-in cartridges enable quick replacement without rewiring

• Clear on-device lifetime status indicator plus an optional infrared remote end-of-life contact offer versatile fault monitoring
  

Standards Compliance:

• Meets IEC 61643‑11 / EN 61643‑11 (Type 2, Class II) standards for surge protectors