www.watchfuleyesolutions.com Surge Protective Device for Equipment

In accordance with: IEC 61643-1 - Class III and UL1449 Type 4 Location
Location of use: fine surge protection at equip area

Technical Data
Model WTH-SG/TL20P-320
Ordering code US121061
Nominal operating voltage (Un) 277V
Frequency 50/60Hz
LED Protection Level Class I
Max. continuous operating voltage (Uc) 320V
Requirement Class to IEC61643-1 Class III / Type 3
IEEE Category Rating A
Nominal Discharge Current (In) 10kA
Max. Discharge Current (Imax, Per Line) 20kA
Open circuit voltage (Uoc) 20kV
Voltage protection level (Up) 1.4kV
Residual voltage (Ures @6kV/3kA) 1.1kV
Protection Modes L-PE, N-PE, L-N
Connection Parallel
Protective Element MOV
Follow Current (If) NO
Response Time (tA) <25ns
Leakage Current (at 75%U1mA) 20μA
Thermal Protection YES
Protection Rating (IP Code) IP 65 (Option: IP 67)
Back-up Fuse 20A gL
Surge Life at 3kA (8/20μs) >2000 events
Temperature Range - 40°F to 176°F (-40°C to 80°C)
Relative Humidity 0% to 95% noncondensing
Maximum Operating Altitude 10,000 feet (3000m)
Housing Material Thermoplastic (UL94 V-0)
Net Weight Per Unit -
Package Dimension (W×H×D) 62mm×53mm×37mm

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Connection Diagram