Eaton MDLPV3600KW PV Guard Molded Case Breaker - UL Listed
Part Number: MDLPV3600KW
Quick Summary
Eaton MDLPV3600KW PV Guard molded case breaker provides overcurrent protection for solar PV systems. In many deployments, engineers face nuisance trips, space constraints, and complex wiring when protecting DC PV circuits. The UL Listed photovoltaic-class device supports up to 1000 Vdc, is a three-pole MDL frame with fixed thermal and fixed magnetic trip, and delivers 7.5 kAIC at 1000 Vdc. This combination reduces downtime and simplifies procurement by using a single, PV-rated solution across multiple deployments. For installers and engineers, the product offers reliable performance, straightforward integration with PVGuard packaging, and long-term operational safety in demanding outdoor environments. Its 80% rated capability aligns with typical PV string protection practices, helping optimize conductor sizing and energy yield.
Product Information
Extended Description
MDLPV3600KW Eaton: Eaton Series C DC/PvGard complete molded case circuit breaker, MDL-frame, MDL, Complete breaker, Fixed thermal, fixed magnetic trip type, Three-pole, 600A, 1000 Vdc, 7.5 kAIC at 1000 Vdc, No term., Photo voltaic, 80% rated, high-magnetic
Product Name
Eaton PV Guard / Solar complete molded case circuit breaker
Catalog Number
MDLPV3600KW
UPC
786685882772
Product Length/Depth
8.25 in
Product Height
8.25 in
Product Width
8.25 in
Product Weight
28.4 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
Amperage Rating
600 A
Voltage rating
1000 Vdc
Trip Type
T186
Circuit breaker type
MDL
Circuit breaker frame type
Complete breaker
Rating
80% rated
Terminals
Without terminals
Frame
MDL
Class
Photovoltaic
Interrupt rating
7.5 kAIC at 1000 Vdc
Number of poles
Three-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: 600 A amperage rating with a 1000 Vdc voltage rating and a 7.5 kAIC interrupt rating. Business Impact: Delivers strong protection for high-current PV strings while limiting fault energy in DC networks, reducing arc flash risk and equipment damage. Application: Ideal for commercial and utility-scale PV installations where DC protection and rapid isolation are critical. Long-tail keywords: DC PV circuit breaker, 1000 Vdc PV protection, 7.5 kAIC DC protection. Feature: Three-pole MDL frame. Business Impact: Enables coordinated, multi-line protection with consistent disconnect behavior, simplifying panel design and maintenance. Application: Used in centralized PV protection schemes and Eaton PVGuard assemblies. Long-tail keywords: MDL frame MCCB, three-pole PV breaker, PV protection assembly. Feature: Trip type T186 (fixed thermal, fixed magnetic). Business Impact: Ensures reliable instantaneous and overload protection with predictable coordination, reducing nuisance trips while preserving system uptime. Application: Critical for PV arrays with variable irradiance and rapid fault conditions. Long-tail keywords: T186 trip, fixed magnetic trip, PV system protection. Feature: Class and certification alignment (Photovoltaic class, UL Listed). Business Impact: Aligns with PV industry standards, streamlines compliance, and supports safer outdoor operation with documented certification. Application: PV installations in commercial rooftops and ground-mounted arrays. Long-tail keywords: UL Listed PV protection, photovoltaic class design, solar circuit breaker compliance. Feature: Without terminals configuration. Business Impact: Simplifies integration into Eaton PVGuard ecosystems and reduces field wiring complexity, saving installation time. Application: Retrofit projects and new builds with standardized Eaton protection blocks. Long-tail keywords: no-terminal breaker, plug-and-play PVGuard, easy installation. Feature: 80% rated and complete breaker construction. Business Impact: Enables efficient derating in dense PV arrays and improves thermal stability, extending component life and reducing maintenance. Application: Long-life protection for high-density PV strings. Long-tail keywords: 80% rated breaker, PV derating, thermal stability.
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FAQs
MDLPV3600KW is designed for solar PV protection in commercial and utility-scale installations. With a 600 A rating and 1000 Vdc capability, it safely disconnects DC circuits in PV arrays, reducing fault energy and downtime while meeting UL Listed PV standards.
Key specs include a 600 A amperage rating, 1000 Vdc voltage rating, three poles, and a 7.5 kAIC interrupt rating. It uses an MDL frame with a fixed thermal and fixed magnetic trip (T186) to deliver reliable, predictable protection for PV circuits.
The device is a complete PVGuard-compatible molded case breaker designed for easy integration into Eaton PVGuard assemblies. Its without-terminals configuration simplifies wiring, enabling faster field installation and consistent protection across PV protection blocks.
The MDLPV3600KW is UL Listed and classed for Photovoltaic use, aligning with PV industry standards and supporting safety and regulatory compliance in PV installations.
With high interrupt rating, robust DC protection, and a design tailored to PV applications, the MDLPV3600KW reduces downtime and maintenance frequency. Its PV-specific class and UL Listing help ensure long-term compliance, potentially lowering warranty and removal costs while protecting energy yield.