Eaton KDPV4250WF01 PVGuard Solar MCCB - UL Listed
Part Number: KDPV4250WF01
Quick Summary
PVGuard Solar MCCB protects PV systems by interrupting DC faults with a reliable, full-rated solution. In solar projects, you need protection that withstands high voltage, rapid fault clearing, and outdoor weather without compromise. This unit is UL Listed and freeze-tested for 50°C operation in PV arrays, with a 1000 Vdc rating and 5 kAIC interrupt capacity. Designed for KD frame, complete breaker assemblies, it simplifies installation and maintenance while ensuring UL compliance and long-term system reliability.
Product Information
Extended Description
KDPV4250WF01 Eaton: Eaton PV Guard / Solar complete molded case circuit breaker, K-frame, KD, Complete breaker, Fixed thermal, fixed magnetic trip type, Four-pole, 250A, 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
KDPV4250WF01
UPC
786685971049
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
250 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
PVGard solar circuit breakers technical data sheet
PVGard solar circuit breakers technical data sheet
Selling Policy 25-000 - Distribution and Control Products and Services
Feature: Four-pole, 250 A, 1000 Vdc, 5 kAIC interrupt rating, KD frame, complete breaker, without terminals. Business Impact: Delivers robust DC fault protection for PV systems with clear installation boundaries and reliable performance under typical PV operating conditions. Application: Rooftop and utility-scale PV arrays requiring reliable, UL-listed protection with space-efficient KD frame assemblies. Feature: Freeze-tested design and 50°C calibration. Business Impact: Ensures dependable operation in outdoor environments and fluctuating climates, reducing unplanned downtime and service calls. Application: Outdoor PV installations exposed to sun, wind, and temperature swings across industrial and commercial sites. Feature: Terminals intentionally without terminals. Business Impact: Allows flexible integration with external terminal kits and busbar configurations for varied rack layouts. Application: Custom PV protection schematics where wiring harnesses and terminal blocks are used. Feature: 25-000 warranty policy (1 year from installation or 18 months from shipment). Business Impact: Lower total cost of ownership through predictable coverage and simplified procurement. Application: Asset management for solar projects with standardized warranty expectations. Feature: UL Listed, Photovoltaic class, 80% rated. Business Impact: Meets industry standards for PV protection, enabling compliance with NEC/UL requirements and predictable protection margins. Application: PV system protection and code-compliant installations across commercial and industrial sectors.
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FAQs
This model specifies terminals as 'Without terminals,' so external terminal kits or approved terminal blocks are required for wiring. When integrating into a KD frame system, plan for compatible terminal hardware, proper clearance, and busbar connections per NEC/UL guidelines to ensure safe, reliable DC protection and orderly maintenance.
The device is rated for 250 A, 1000 Vdc, and 5 kAIC, with four poles in a KD frame and a complete breaker assembly. It is calibrated for 50°C and is designed for PV applications. Its 80% rated setting aligns with typical PV protection margins, making it suitable for many DC PV circuits.
Yes. It is designed for PV systems, including rooftop modules and larger utility-scale arrays. Typical use cases include DC fault protection in photovoltaic inverters, combiner boxes, and PV distribution panels where 1000 Vdc ratings and robust interrupt capability are required.
The KDPV4250WF01 is UL Listed and rated for photovoltaic class protection. It is freeze-tested and calibrated for 50°C operation, with a 1000 Vdc rating and 5 kAIC interrupt capability. These attributes support regulatory compliance and dependable performance in outdoor solar installations.
Warranty follows Eaton Selling Policy 25-000: one year from installation or eighteen months from shipment, whichever occurs first. This predictable coverage helps manage lifecycle costs, reduces unexpected maintenance, and supports total cost of ownership considerations for solar protection investments.