United StatesChange

Transient Discriminating Panel Protectors

nVent ERICO’s line of Transient Discriminating Panel Protectors are designed for critical protection applications. This line is specifically designed for equipment, panel and motor protection applications and to provide long life, even under the most adverse over-voltage conditions.


  • Built-in safety features include TD Technology, thermal protection and short circuit current cartridge fusing
  • Compact NEMA®-4 enclosure design can be flush mounted or installed in a small space
  • Available in various operating voltages to suit most common power distribution systems
  • CE, UL® 1449 Edition 4 Listed

nVent, nVent CADDY, nVent ERICO, nVent ERIFLEX, and nVent LENTON are owned by nVent or its global affiliates. All other trademarks are the property of their respective owners. nVent reserves the right to change specifications without prior notice.

NEMA is a registered service mark of National Electrical Manufacturers Association.
UL, UR, cUL, cUR, cULus and cURus are registered certification marks of UL LLC.


823 KB English
Wind Power Solutions
1.94 MB English



cUL VZCA7.E325047
CSA C22.2 No. 8 + 42 + Elect Not No. 516, CAN/CSA
UL VZCA.E325047
ANSI/UL 1449


TDXC Compact Series
114 KB English
TDXM Modular Series
86 KB English
TDXM Modular Series
86 KB English

Instruction Sheets