Surge-Trap® Type 1 STZ Series SPD

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.

• Type 1 SPD for service entrance and facility-wide protection
• Ideal for new construction bid projects and specifications as well as existing facility retrofit
• Standard features include LED phase loss indication, EMI/RFI filter, surge counter with reset, dry contacts and audible alarm with silence button
• Field replaceable SPD module
• SPD module can be rotated 90 degrees depending on desired cable entry location
• Available with or without disconnect switch
• Up to 10 Modes of Protection (L-N, L-L, L-G, N-G)
• 15-year warranty