Thiết bị chống sét lan truyền 3P WTH-40/C/R/3P RS485
Chống sét lan truyền WatchfulEyE dùng để bảo vệ việc tăng điện áp đột ngột khi có sét đánh trên đường dây điện, hoặc trong không gian gần khu vực sét, thiết bị này giúp cắt các điện áp cao nhằm bảo vệ các thiết bị điện tử trong nhà, trong công trình, …
Description
In accordance with: IEC/EN61643-11 – Class II and UL1449 Type 4 Location
Location of use: branch sub-distribution boards
Plug-in module and separate base design enables convenient maintenance.
Internal thermal disconnect devices help ensure safe or at end-of-life
Location of use: branch sub-distribution boards
Plug-in module and separate base design enables convenient maintenance.
Internal thermal disconnect devices help ensure safe or at end-of-life
WTH-40/C/R/3P Series Technical Data | |
---|---|
Requirement Class to IEC/EN61643-11 | Class II |
IEEE Category Rating | B & A |
Nominal Discharge Current (In) | 20kA |
Max. Discharge Current (Imax) | 40kA |
Protection Modes | L-PE, N-PE |
Protective Element | MOV |
Follow Current (If) | NO |
Response Time (tA) | <5ns |
Leakage Current (at 75%U1mA) | <20μA |
Thermal Protection | YES |
Protection Rating (IP Code) | IP 20 |
Short Circuit Current Ratings (SCCR) | 25kA rms |
Max. Back-up Fuse (if mains >80A) | 80A gL (circuit-breaker: <40A) |
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 | 72mm (4TE) |
Housing Material | Thermoplastic (UL94 V-0) |
Housing Design | Modular design |
Net Weight Per Unit | 0.73Lb (330g) |
Model & Ordering Code
Model | MCOV/Uc | Ordering Code | UPC/EAN Code |
WTH-40/C/R/3P-150 RS485 | 150VAC | USR120353 | – |
WTH-40/C/R/3P-275 RS485 | 275VAC | USR120354 | – |
WTH-40/C/R/3P-320 RS485 | 320VAC | USR120355 | – |
WTH-40/C/R/3P-385 RS485 | 385VAC | USR120356 | – |
WTH-40/C/R/3P-420 RS485 | 420VAC | USR120357 | – |