www.watchfuleyesolutions.com Smart Surge Protective Device

Smart surge protector WTH-CS/… AC220 series are perfect suit for your power supply system as well as Data and Control System. The smart monitoring system came with multiple connection choice: Wi-Fi, RS485 - Cloud, Modbus. Easily extend cloud service capability, allows real-time remote monitoring and managing your surge protection system through cloud service.
WTH-CS/… AC220 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 I and UL1449 Type 4 Location

WTH-CS/… AC220 Series
Model Network Contact Ordering code
WTH-CS/Wi-Fi/AC220 Wi-Fi - USW127321
WTH-CS/Wi-Fi/AC220R Wi-Fi ✔︎ USW127322
※ Wi-Fi, RS485-Cloud: Cloud Service, remote monitoring, alerts sent by E-mail
※ Modbus: Convenient for the secondary development

Technical Data
Nominal operating voltage (Un) 230VAC
Max. continuous operating voltage (Uc) 265VAC
Nominal Discharge Current (In) 5kA
Max. Discharge Current (Imax) 10kA
Voltage protection level (Up @line-line) 1300V
Voltage protection level (Up @line-PE) 1300V
Protective Element MOV
Response Time (tA) <25ns
Wiring Terminal L, N, PE
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 54mm (3TE)
Housing Material Thermoplastic (UL94 V-0)
Housing Design Modular design
Net Weight Per Unit 180g
Package Dimension (W×H×D) 54mm×90mm×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
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