www.watchfuleyesolutions.com Smart Surge Protective Device

Smart surge protector WTH-40/AC220+DC24/Wi-Fi series are perfect suit for your AC power supply system as well as DC power supply system. Easily extend cloud service capability, allows real-time remote monitoring and managing your surge protection system through cloud service.
WTH-40/AC220+DC24/Wi-Fi serie splits currents to protect surge protector against potential damage from overvoltage. Widely used in data center or front-end equipment to protect power supply and cable from surge.
In accordance with: IEC 61643-1 - Class II and UL1449 Type 4 Location

Technical Data
Model WTH-40/AC220+DC24/Wi-Fi
Ordering code USW120426
Surge Protection AC DC
Nominal operating voltage (Un) 230VAC 24VDC
Max. continuous operating voltage (Uc) 275VAC 28VDC
Nominal Discharge Current (In) 20kA 2.5kA
Max. Discharge Current (Imax) 40kA 5kA
Voltage protection level (Up) 1500V 95V
Protective Element MOV MOV, TVS
Response Time (tA) <25ns <1ns
Wiring Terminal L, N DC+, DC-
Leakage Current (at 75%U1mA) <20μA
Thermal Protection YES
Protection Rating (IP Code) IP 20
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)
Stripping Length Contacts 15mm
Max. Terminal Screw Torque 3.5Nm
DIN Rail EN60715 35mm top-hat rail
Dimensions DIN 43880 90mm (5TE)
Housing Material Thermoplastic (UL94 V-0)
Housing Design Modular design
Net Weight Per Unit 1.23Lb (560g)
Package Dimension (W×H×D) 3.6"×3.9"×2.7" (90mm×98mm×69mm)
Smart Remote Monitoring YES
Surge Count 0-999
Network Connection Wi-Fi
SPD Module Monitoring Built-in Integration
GreenSPD Cloud http://www.greenspd.com
Technical Manual: http://datasheet.watchfuleyesolutions.com/USW000.html

Connection Diagram

Fault Indication
Visit us at