United StatesChange

Transient Discriminating Surge Diverter, 50 kA AU Three Mode


  • Compact design fits into most distribution panels and motor control centers
  • Three modes of protection: L-N, L-PE and N-PE
  • LED status indication and opto-isolated output for remote status monitoring
  • Optional dry alarm contacts using DINLINE Alarm Relay
  • Transient Discriminating (TD) technology helps ensure safe operation during abnormal over-voltage events


Part Number TDS50240
Nominal System Voltage (Un) 240 VAC
Max Continuous Operating Voltage (Uc) 340 VAC
Voltage Protection Rating (VPR) 800.0 V @ 3 kA
Max Discharge Current (Imax) 20 kA 8/20 μs L-N
20 kA 8/20 μs L-PE
10 kA 8/20 μs N-PE
Frequency 50 – 60 Hz
Protection Modes L-N
Connection, Stranded #10 Max
Response Time 5 ns Max
Mounting 35 mm top hat DIN rail
Enclosure Material UL® 94V-0 Thermoplastic
Enclosure Rating IP 20
Status Indication LED
Remote Contacts No
Module Width 2 M
Depth (D) 2.68"
Height (H) 3.54"
Width (W) 1.38"
Unit Weight 0.4 lb
Designed to Meet ANSI®/IEEE® C62.41.2 Cat A, Cat B, Cat C

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.

ANSI is a registered trademark of American National Standards Institute.
IEEE is a registered trademark of The Institute of Electrical and Electronics Engineers, Inc.
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.


Wind Power Solutions
1.94 MB English