www.watchfuleyesolutions.com Surge Protective Device for AC Power Supply System

In accordance with: IEC 61643-1 - Class II and UL1449 Type 4 Location
Location of use: branch sub-distribution boards
Plug-in module and separate base design enables convenient maintenance.

Technical Data
Model WTH-65/G/1P-255
Ordering Code US120000
Max. continuous operating voltage (Uc) 255V
Frequency 50/60Hz
Dc spark-over voltage at 100 V/s >500V (Uimp: 950V)
Requirement Class to IEC61643-1 Class I
IEEE Category Rating B & A
Nominal Discharge Current (In) 25kA
Max. Discharge Current (Imax) 65kA
Pulsed Current (Iimp) 15kA
Voltage protection level (Up) 1.0kV
Residual voltage (Ures @6kV/3kA) 0.3kV
Protection Modes N-PE
Protective Element GDT
Follow Current (If) 100A rms
Response Time (tA) <100ns
Leakage Current (at 75%U1mA) None
Thermal Protection NO
Fault Indication NO
Protection Rating (IP Code) IP 20
Short Circuit Current Ratings (SCCR) 25kA rms
Max. Back-up Fuse None
Surge Life at 3kA (8/20μs) >5000 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)
Terminal Cross Section 35mm² (solid) / 25mm² (stranded)
Stripping Length Contacts 0.6inches (15mm)
Terminal Screw Torque Max. 3.5Nm
DIN Rail EN60715 35mm top-hat rail
Dimensions DIN 43880 17.8mm (1TE)
Housing Material Thermoplastic (UL94 V-0)
Housing Design Compact design
Net Weight Per Unit 0.24Lb (109g)
Package Dimension (W×H×D) 0.7"×3.6"×2.7" (17.8mm×90mm×69mm)
Remote Contacts NO
Contact Ratings 125VAC/3A, 250VAC/1.5A
Terminal Cross Section Max. 1.5mm²
Stripping Length Contacts 0.25inches (6-7mm)
Remote Terminal Torque 0.25Nm

Connection Diagram
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