Eaton KDPV4175WF01 PV Guard MCB - UL Listed, 1000 Vdc
Part Number: KDPV4175WF01
Quick Summary
Eaton PV Guard KDPV4175WF01 molded case circuit breaker protects solar DC power systems in PV installations. Engineers often fight fault-induced outages and miscoordination under harsh outdoor conditions, which erodes uptime and increases maintenance costs. UL Listed certification supports PV-specific safety and compliance, while the unit's 1000 Vdc rating and four-pole KD frame design are tailored for reliable DC distribution in solar arrays; its freeze-tested construction further guards performance in variable climates. With these features, you gain robust PV protection that reduces fault propagation, simplifies assembly, and aligns with solar project procurement. In practice, this device enables safer, more resilient energy harvesting and lowers total cost of ownership.
Product Information
Extended Description
KDPV4175WF01 Eaton: Eaton PV Guard / Solar complete molded case circuit breaker, K-frame, KD, Complete breaker, Fixed thermal, fixed magnetic trip type, Four-pole, 175A, 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
KDPV4175WF01
UPC
786685971018
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
175 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 - KDPV4175WF01
Eaton Specification Sheet - KDPV4175WF01
Feature: 175 A amperage rating with a 5 kAIC interrupt rating. Business Impact: Provides strong fault clearing for PV feeders while enabling 80% rated operation, reducing arc energy and improving system uptime. Application: Ideal for four-pole KD complete breakers in mid-size PV installations and DC distribution panels. Feature: 1000 Vdc voltage rating and four-pole KD frame. Business Impact: Supports safe, reliable protection across long PV strings and multi-branch DC circuits, simplifying coordination and reducing wiring complexity. Application: Solar arrays and DC bus sections up to 1000 Vdc in outdoor or rack-mounted layouts. Feature: Freeze-tested construction with 50°C calibration. Business Impact: Ensures reliable operation across wide ambient ranges and cold-start conditions, lowering maintenance costs and extending service life. Application: Outdoor PV fields and exposed installations in variable climates. Feature: Without terminals. Business Impact: Allows installer to select appropriate lugs or terminations, enabling flexible mounting and faster field wiring. Application: On-site wiring in centralized protection cabinets or MCCB panels. Feature: Complete KD frame, four-pole design. Business Impact: Streamlines replacement and integration with existing KD frame MCCB architectures, reducing spare-part complexity. Application: Retrofit and new-build solar protection schemes in KD-frame assemblies. Feature: UL Listed and photovoltaic-class designation. Business Impact: Supports compliance with industry safety standards for PV applications, easing procurement and regulatory alignment. Application: PV systems, inverter protection schemes, and DC distribution networks. Warranty and service: 1-year from installation or 18 months from shipment (whichever comes first) under Eaton policy. Business Impact: Provides dependable protection with defined support windows, reducing total cost of ownership. Application: Project handover, maintenance planning, and long-term asset management.
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FAQs
The KDPV4175WF01 is a four-pole KD-frame complete breaker designed for 1000 Vdc PV systems. It ships without terminals, so select compatible lugs and mounting arrangements for your enclosure. Ensure mounting clearance for 12 in depth and verify busbar and wiring comply with KD-frame MCCB standards to maintain safety margins and fault isolation.
Key specs include 175 A amperage rating, 5 kAIC interrupt rating, 1000 Vdc voltage rating, four poles, and a KD frame. The device operates at 50°C calibration and is intended for photo voltaic applications, offering reliable protection for PV strings while supporting 80% rated operation for efficiency and safety.
Yes. With a 1000 Vdc rating and four-pole design, the KDPV4175WF01 is specifically suited for PV protective roles in DC distribution networks. Its UV-stable construction, freeze-tested capability, and UL Listed certification provide robust protection for solar arrays and associated inverters, minimizing fault propagation and downtime in outdoor solar facilities.
The Eaton PV Guard KDPV4175WF01 is UL Listed, confirming safety and compliance for PV electrical protection. While CE and IP ratings are not listed in the provided data, the UL certification aligns with PV industry safety standards and supports regulatory acceptance for US market deployments and PV installations.
The product carries Eaton's warranty policy: one year from installation or eighteen months from shipment, whichever occurs first. This warranty helps reduce risk and total cost of ownership by safeguarding against manufacturing defects, while the device’s high interrupt rating and durable, freeze-tested design contribute to lower maintenance costs and improved system uptime for PV projects.