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Modular TDX Panel Protector, 200 kA with Surge Counter



  • Transient Discriminating (TD) Technology provides increased service life
  • Modular design allows easy replacement of surge modules
  • Built-in features include TD Technology, thermal protection and short circuit current fusing
  • Compact NEMA®-4 enclosure design can be flush mounted or installed in a small space
  • Status indication flag per mode, voltage presence LEDs, audible alarm and voltage-free contacts providing remote status monitoring
  • 200kA 8/20μs maximum surge rating provides protection suitable for service entrance, main-distribution panels and highly exposed applications


Part Number TDX200S120240
Nominal System Voltage (Un) 120/240 V
Distribution System 1Ph 3W+G
Max Continuous Operating Voltage (Uc) 170/276 VAC
Stand-off Voltage 240/480 VAC
Frequency 50 – 60 Hz
Short Circuit Current Rating (SCCR) 200 kA
Nominal Discharge Current (In) 20 kA 8/20 μs
Max Discharge Current (Imax), Per Phase 200 kA 8/20 μs
Impulse Current (Iimp), Per Mode 25 kA 10/350 μs
Voltage Protection Rating (VPR), L-N 600 V @ 3 kA
1,200 V @ 20 kA
Protection Modes L-N
Status Indication LED
Mechanical flag
Audible alarm
Technology TD technology with thermal disconnect
Over-current replaceable cartridge fusing
Remote Contacts Yes
Lead Length 30"
Lead Size #10
Ground Lead Length 36"
Temperature -40 to 176 °F
Enclosure Material Metal
Enclosure Rating IP 65
Mounting 3/4” straight nipple
Surge Counter Yes
Depth (D) 3.07"
Height (H) 9.45"
Width (W) 5.12"
Unit Weight 4.4 lb
Certification Details UL® 1449 Edition 4 Type 2, 20 kA Mode
Complies With ANSI®/IEEE® C62.41.2-2002 Cat A, Cat B, Cat C
ANSI®/IEEE® C62.41.2-2002 Scenario II, Exposure 3, 100 kA 8/20 μs, 10 kA 10/350 μs
IEC® 61643-1 Class I, Class II
Replacement Module TDS150M150
Certifications CE
Standard Packaging Quantity 1 pc
UPC 78285659391

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

ANSI is a registered trademark of American National Standards Institute.
IEC is a registered trademark of the International Electrotechnical Commission.
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.



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