WTH-165/B/1P Series
www.watchfuleyesolutions.com Surge Protective Device for AC Power Supply System

Paperless Datasheet
Going green and protecting environment is manufacturers' responsibility. WatchfulEye products have the links of downloading data sheet on its enclosure:
http://datasheet.watchfuleyesolutions.com/US120310.html

Description
In accordance with: IEC 61643-1 - Class I and UL1449 Type 4 Location
Location of use: main sub-distribution boards
With three MOVs' protection at the same time, the module can realize Class I surge protection; in case that two of the indicator windows indicates red, it can still meet
Class II surge protection requirements.

WTH-165/B/1P Series
Model Uc(AC/DC) Up Ures Ordering code
WTH-165/B/1P-75 75/100V 1.6kV 0.6kV US120311
WTH-165/B/1P-115 115/150V 1.8kV 0.7kV US120312
WTH-165/B/1P-150 150/200V 2.0kV 0.8kV US120313
WTH-165/B/1P-275 275/350V 2.3kV 1.0kV US120314
WTH-165/B/1P-320 320/400V 2.4kV 1.1kV US120315
WTH-165/B/1P-385 385/500V 2.5kV 1.2kV US120316
WTH-165/B/1P-420 420/600V 2.7kV 1.4kV US120317
WTH-165/B/1P-550 550/700V 3.0kV 1.8kV US120318
WTH-165/B/1P-690 690/800V 3.3kV 2.1kV US120319
※ Uc: Max. continuous operating voltage ※ Frequency: 50/60Hz (AC Power)
※ Up: Voltage protection level ※ Ures @6kV/3kA: Residual voltage

Technical Data
Requirement Class to IEC61643-1 Class I
IEEE Category Rating C & B
Nominal Discharge Current (In) 80kA
Max. Discharge Current (Imax) 165kA
Pulsed Current (Iimp) 17.5kA
Protection Modes L-PE, N-PE
Protective Element High Energy MOV
Follow Current (If) NO
Response Time (tA) <25ns
Leakage Current (at 75%U1mA) <20μA
Thermal Protection YES
Protection Rating (IP Code) IP 20
Short Circuit Current Ratings (SCCR) 20kA rms
Max. Back-up Fuse (if mains >160A) 160A gL (circuit-breaker: <100A)
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 35.8mm (2TE)
Housing Material Thermoplastic (UL94 V-0)
Housing Design Compact design
Net Weight Per Unit 0.46Lb (209g)
Package Dimension (W×H×D) 1.4"×3.6"×2.6" (35.8mm×90mm×66.5mm)
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
Dimensions
Fault Indication
Visit us at