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Service Entrance Suppressor, 200 kA


  • 200kA 8/20μs primary protection rated for service entrance applications
  • Modular design allows easy replacement of surge modules
  • Built-in disconnect and fusing eliminates need for external fusing
  • Transient Discriminating (TD) Technology provides increased service life


Part Number SES200120/240 SES200120208 SES200240D SES200277/480
Nominal System Voltage (Un) 120/240 V 120/208 V 220/240 V 277/480 V
Distribution System 1Ph 3W+G 3Ph Y 4W+G 3PhΔ 3W+G 3Ph Y 4W+G
Max Continuous Operating Voltage (Uc) 170/340 VAC 170/295 VAC 400 VAC 400/692 VAC
Stand-off Voltage 240/480 V 240/415 V 275 V 480/831 V
Frequency 50 – 60 Hz
Short Circuit Current Rating (SCCR) 200 kA
Nominal Discharge Current (In), Per Mode 80 kA 8/20 μs
Max Discharge Current (Imax), Per Mode 100 kA 8/20 μs
Voltage Protection Rating (VPR) 600.0 V @ 3 kA L-N
800.0 V @ 20 kA L-N
900.0 V @ 3 kA L-L
1,000.0 V @ 20 kA L-L
900.0 V @ 3 kA L-N
1,000.0 V @ 20 kA L-N
Aggregate Surge Rating 200 kA 8/20 μs
Impulse Current (Iimp) 20 kA 10/350 μs
Max Operating Current 25 mA
Protection Modes All modes protected L-L All modes protected
Status Indication 5 segment LED bar graph per phase
Technology TD technology with thermal disconnect
Lead Size #12 – #2
Temperature 14 – 140 °F
Enclosure Material Polycarbonate
Enclosure Rating IP 66
Mounting Wall mount
Depth (D) 7 1/2"
Height (H) 16"
Width (W) 12"
Unit Weight 17.64 lb
Certification Details UL® 1449 Edition 3 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 3, 100 kA 8/20 μs, 10 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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