United StatesChange

Service Entrance Suppressor, 200 kA with Metal Enclosure


  • 200kA 8/20μs primary protection rated for service entrance applications
  • Internal high interrupt capacity fusing for added safety
  • 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
  • Includes surge counter and filtering


Part Number SES200120208CM SES200120240CM SES200240DCM SES200277480CM
Nominal System Voltage (Un) 120/208 V 120/240 V 220/240 V 277/480 V
Distribution System 3Ph Y 4W+G 1Ph 3W+G 3PhΔ 3W+G 3Ph Y 4W+G
Max Continuous Operating Voltage (Uc) 170/295 VAC 170/340 VAC 400 VAC 400/692 VAC
Stand-off Voltage 240/415 V 240/480 V 275 V 480/831 V
Frequency 50 – 60 Hz
Short Circuit Current Rating (SCCR) 200 kA
Nominal Discharge Current (In) 80 kA 8/20 μs
Max Discharge Current (Imax) 100 kA 8/20 μs
Impulse Current (Iimp) 20 kA 10/350 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
Filtering -40 dB @ 100 kHz
Max Operating Current 25 mA
Protection Modes All modes protected
Status Indication 5 segment LED bar graph per phase
Surge counter
Lead Size #12 – #2
Temperature 14 – 140 °F
Enclosure Material Metal
Enclosure Rating NEMA®-4
Mounting Wall mount
Depth 7 1/2"
Height 16"
Width 14"
Unit Weight 28.66 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

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.


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