mersen
  1. Home
  2. Products
  3. Mersen
  4. Surge Protection for Power Lines
  5. NEMA UL/CSA Type 1
  6. Surge-Trap® STZ Series (External SPD) - 450kA

Mersen Products

Surge Protection for Power Lines

NEMA UL/CSA Type 1

Surge-Trap® STZ Series (External SPD) - 450kA

The Mersen flagship for facility-wide protection, The Surge-Trap® Type 1 STZ Series features surge capacities up to 450kA designed with Mersen’s industry leading TPMOV® technology inside making it the safest and most reliable product on the market. Options include surge counter, through the door disconnect switch, audible alarm, dry contact and EMI/RFI filtering. This external SPD can be installed on the line or load side of the service entrance.

Features :-
  • Type 1 SPD for service entrance and facility-wide protection
  • Ideal for new construction bid projects and specification as well as existing facility retrofit
  • Designed with the industry leading Mersen TPMOV® Technology (internally fused)
  • Available with accessory Option A for basic features (LED status indicators) and Option B for standard features (EMI/RFI filter, surge counter with reset, Audible alarm and dry contacts with silence)
  • Replaceable SPD module
  • SPD module can be rotated 90 degrees depending on desired cable entry location
  • Available with or without disconnect switch
  • For use in ANSI/UL Type 1 or 2 SPD installations
  • Up to 10 Modes of Protection (L-N, L-L, L-G, N-G)
  • 15-year warranty
Download Catalogue Send Enquiry
Surge Trap STZ Series External SPD450kA