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Compact TDX Panel Protector, 200 kA


  • 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
  • LED status indication and voltage-free contacts provide remote status monitoring
  • 200 kA 8/20 μs maximum surge rating provides protection suitable for main-distribution panels and an extended operational life


Part Number TDX200C120/208 TDX200C120/240 TDX200C277/480
Nominal System Voltage (Un) 120/208 V 120/240 V 277/480 V
Distribution System 3Ph 4W+G 1Ph 3W+G 3Ph 4W+G
Max Continuous Operating Voltage (Uc) 170/276 VAC 320/550 VAC
Stand-off Voltage 240/415 V 240/480 V 480/831 V
Frequency 50 – 60 Hz
Short Circuit Current Rating (SCCR) 200 kA
Nominal Discharge Current (In), IEC 40 kA 8/20 μs
Nominal Discharge Current (In), UL 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 800 V @ 3 kA 1,200 V @ 3 kA
Protection Modes L-N
Remote Contacts Yes
Status Indication LED
Surge Counter No
Technology Over-current fusing
TD technology with thermal disconnect
Lead Size #10
Lead Length 30"
Ground Lead Length 36"
Temperature -40 to 176 °F
Enclosure Material Metal
Enclosure Rating IP 65
Mounting 3/4” straight nipple
Depth (D) 3.07"
Height (H) 11"
Width (W) 3.31"
Unit Weight 4.5 lb
Certification Details UL® 1449 Edition 4 Type 1/2, 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 1, 20 kA 8/20 μs, 2 kA 10/350 μs

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UL, UR, cUL, cUR, cULus and cURus are registered certification marks of UL LLC.



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