WTH-40/C/3P-PV Series
www.watchfuleyesolutions.com Surge Protective Device for DC System

Paperless Datasheet
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In accordance with: IEC 61643-1 - Class II and UL1449 Type 4 Location
Location of use: DC System, DCpv System, Photovoltaic Combiner Box, Photovoltaic Power Supply Box
Plug-in module and separate base design enables convenient maintenance.

Order Information
Model Uc(pvdc) Up Ures Ordering code
WTH-40/C/3P-PV2000 2000V 5.7kV 4.6kV US120396
WTH-40/C/3P-PV1600 1600V 4.6kV 3.6kV US120395
WTH-40/C/3P-PV1200 1200V 3.6kV 3.0kV US120331
WTH-40/C/3P-PV1000 1000V 3.4kV 2.8kV US120330
WTH-40/C/3P-PV800 800V 3.2kV 2.5kV US120335
WTH-40/C/3P-PV600 600V 2.4kV 1.8kV US120334
WTH-40/C/3P-PV400 400V 2.2kV 1.5kV US120398
WTH-40/C/3P-PV200 400V 1.7kV 1.2kV US120397
※ Uc: Max. continuous operating voltage
※ Up: Voltage protection level ※ Ures @6kV/3kA: Residual voltage

Technical Data
Requirement Class to IEC61643-1 Class II
IEEE Category Rating B & A
Nominal Discharge Current (In) 20kA
Max. Discharge Current (Imax) 40kA
Pulsed Current (Iimp @10/350) N/A
Protection Modes DC+/PE, DC-/PE, DC+/DC-
Protective Element 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 >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 62mm (3.5TE)
Housing Material Thermoplastic (UL94 V-0)
Housing Design Modular design
Net Weight Per Unit 0.73Lb (330g)
Package Dimension (W×H×D) 2.5"×3.9"×2.7" (62mm×98mm×69mm)
Remote Contacts YES
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
Fault Indication
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