Ferraz Shawmut Surge-Trap Type 1 SPD

Ferraz Shawmut’s Surge-Trap® Type 1 SPD is a fail-safe and economical solution to applications that require a NEMA-style SPD. It is UL 1449 3rd edition approved and offers a wide range of voltage configurations to meet all needs in its class. The Surge-Trap Type 1 SPD features Ferraz Shawmut’s patented TPMOV® technology eliminating the need for additional overcurrent protection, thus providing substantial cost savings.


  • Compact design
  • Easy to mount
  • No additional overcurrent protection device (fuses) required
  • 200kA Short circuit current rating (SCCR)
  • UL 1449 3rd Edition Type 1 Listed
  • Nominal discharge current (In) of 20KA (10KA on select models)
  • For indoor, NEMA 2 applications
  • Status LEDs
  • Wire markers
  • 5-yr warranty


Ferraz Shawmut Surge-Trap Type 1 SPD

Ferraz Shawmut Technical Datasheets