Eaton KDPV4350WF01 PV Guard Solar MCCB - UL Listed
Part Number: KDPV4350WF01
Quick Summary
Eaton PV Guard KDPV4350WF01 is a solar-ready molded case circuit breaker providing DC protection for PV systems. Engineers often face overheating, arcing risks, and installation bottlenecks in large solar arrays. The device carries UL Listed certification and is designed for 1000 Vdc operation with a four-pole KD frame, delivering reliable protection in demanding PV environments. This solution combines rugged performance with installation flexibility, supporting efficient project onboarding, simplified sourcing, and predictable lifecycle cost in photovoltaic installations.
Product Information
Extended Description
KDPV4350WF01 Eaton: Eaton PV Guard / Solar complete molded case circuit breaker, K-frame, KD, Complete breaker, Fixed thermal, fixed magnetic trip type, Four-pole, 350A, 1000 Vdc, 5 kAIC, Without terminals, Photo voltaic, Freeze tested, 50°C, 80% rated
Product Name
Eaton PV Guard / Solar complete molded case circuit breaker
Catalog Number
KDPV4350WF01
UPC
786685971063
Product Length/Depth
12 in
Product Height
6.5 in
Product Width
8 in
Product Weight
14.5 lb
Warranty
Eaton Selling Policy 25-000, one (1) year from the date of installation of the Product or eighteen (18) months from the date of shipment of the Product, whichever occurs first.
Certifications
UL Listed
Special features
Freeze tested
Amperage Rating
350 A
Voltage rating
1000 Vdc
Trip Type
T186
Circuit breaker type
KD
Circuit breaker frame type
Complete breaker
Rating
80% rated
Terminals
Without terminals
Frame
K
Class
Photovoltaic
Calibration
50°C
Interrupt rating
5 kAIC
Number of poles
Four-pole
PVGard solar circuit breakers product aid
Circuit Protection, Molded Case Circuit Breakers, Volume 4, Tab 2
Value of Circuit Breakers for PV Systems and Eaton PVGard Solar Circuit Breakers
Eaton Specification Sheet - KDPV4350WF01
Eaton Specification Sheet - KDPV4350WF01
Feature: The KDPV4350WF01 is a complete four-pole, KD-frame molded case circuit breaker rated at 350 A with a 1000 Vdc maximum and 5 kAIC interrupt rating. Business Impact: This combination delivers robust DC protection for PV feeders, reducing nuisance trips and improving system uptime in solar installations. Application: Ideal for DC distribution panels and PV arrays where reliable overcurrent protection is required. The result is improved protection coordination and safer, more efficient maintenance workflows. Feature: It is a complete breaker without terminals and is freeze tested to 50°C. Business Impact: Installation flexibility and reliability in outdoor or harsh environments, lowering field retrofit risk and downtime. Application: Suitable for outdoor enclosures and exposed PV installations that demand weather-ready protection. Feature: Trip type T186, frame KD, and 80% rating. Business Impact: Enables selective coordination and efficient fault handling, supporting safe shutdown sequences in complex PV projects. Application: Used in critical DC protection paths within solar facilities. Feature: UL Listed certification. Business Impact: Compliance assurance across North American projects, easing procurement and ensuring regulatory alignment. Application: Preferred for customers requiring standard-compliant MCCBs in solar and electrical protection schemes. Feature: Without terminals, four-pole configuration with complete breaker design. Business Impact: Simplifies integration into pre-wired switchgear or control panels, reduces wiring errors, and speeds installation. Application: Common in modular DC protection architectures for photovoltaic systems.
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FAQs
KDPV4350WF01 is a four-pole KD-frame MCCB designed to ship without terminals, requiring proper bus connections and enclosure mounting rated for 1000 Vdc. With a 12 in depth, 6.5 in height, and 8 in width, ensure your enclosure space accommodates the form factor and use secure mounting to prevent arc exposure. The device is freeze tested to 50°C, supporting outdoor PV installations.
The breaker delivers 350 A nominal current, 1000 Vdc voltage rating, and a 5 kAIC interrupt rating. It is a four-pole, KD-frame unit with T186 trip type and 80% rated, making it suitable for photovoltaic DC protection with reliable tripping characteristics and coordination within PV inverters and feeders.
Yes. Designed for photovoltaic applications, this four-pole KD-frame MCCB provides robust DC protection up to 1000 Vdc and is freeze tested for remote or outdoor PV sites. UL Listed certification further supports outdoor reliability and regulatory compliance in solar installations.
The KDPV4350WF01 carries UL Listed certification, which validates compliance with applicable electrical protection standards for DC PV applications. While CE or IP ratings are not listed in the provided data, UL Listing provides recognized credibility for North American projects requiring standard protection equipment.
PVGuard MCCBs like KDPV4350WF01 reduce maintenance risk by delivering solid overcurrent protection, fast fault isolation, and a low likelihood of nuisance trips. Their rugged, freeze-tested design minimizes field service and replacement costs while supporting longer system uptime and predictable return on investment for large-scale PV deployments.