Eaton JGEDC3100FAW PVGuard MCCB - UL 489, 600 Vac
Part Number: JGEDC3100FAW
Quick Summary
Eaton PVGuard JGEDC3100FAW is a complete molded case circuit breaker designed for solar PV protection. Engineers often contend with nuisance trips and awkward wiring when protecting PV strings across variable voltages and remote installations. This unit carries UL 489 certification, supports 50/60 Hz operation, and provides DC ratings up to 250 V with high fault-current capability. Its JG frame and three-pole configuration, combined with a compact footprint and no built-in terminals, streamline field installation and commissioning. Together with Eaton's warranty and service ecosystem, it helps teams meet code requirements while reducing total cost of ownership.
Product Information
Extended Description
JGEDC3100FAW Eaton: Eaton Series G DC/PvGard complete molded case circuit breaker, JG-frame, JG, Fixed thermal, adjustable magnetic trip, Three-pole, 100A, 600 Vac, 250 Vdc, 65 kAIC at 240 Vac, 25 kAIC at 480 Vac, 18 kAIC at 600 Vac, No terminals, 50/60 Hz
Product Name
Eaton PV Guard / Solar complete molded case circuit breaker
Catalog Number
JGEDC3100FAW
UPC
786685494135
Product Length/Depth
3.44 in
Product Height
7 in
Product Width
4.13 in
Product Weight
6.5 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 489
Amperage Rating
100 A
Voltage rating
600 Vac, 250 Vdc
Trip Type
T185
Circuit breaker type
JG
Circuit breaker frame type
Complete breaker
Series
Series G
Terminals
Without terminals
Frame
JG
Frequency rating
50/60 Hz
Interrupt rating
25 kAIC at 480 Vac 18 kAIC at 600 Vac 65 kAIC at 240 Vac
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
Feature: 100 A amperage rating with 600 Vac and 250 Vdc voltage ratings, plus a T185 trip type and three-pole design. Business impact: delivers robust overcurrent protection for solar inverters and combiner boxes, reducing risk of equipment damage and downtime. Application: ideal for three-phase PV strings and DC protection in commercial rooftops and utility-scale arrays. Feature: DC PVGuard capabilities with a 50/60 Hz frequency rating and Series G/JG framing. Business impact: simplifies integration with existing PV systems and ensures compatibility with standard electrical codes. Application: retrofits and new builds where PV arrays require compliant, fast-acting protection. Feature: Interruption ratings up to 65 kAIC at 240 Vac, 25 kAIC at 480 Vac, and 18 kAIC at 600 Vac. Business impact: provides high fault-current handling for inverters and AC/DC interfaces, improving system resilience. Application: protects inverters, feeders, and protection schemes in high-current environments. Feature: Without terminals, three-pole, frame JG, and a compact footprint. Business impact: reduces enclosure space and simplifies wiring when paired with compatible lugs or external terminations. Application: modular solar installations and retrofit projects. Feature: Warranty and certifications (UL 489). Business impact: aligns with procurement expectations and ongoing compliance management, lowering maintenance risk. Application: field deployments needing formal protection guarantees and service support.
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FAQs
The JGEDC3100FAW is a three-pole JG-frame molded case breaker with no terminals included, designed for PV protection. It supports 600 Vac and 250 Vdc, 50/60 Hz operation, and requires appropriate external terminations or lugs chosen to match enclosure space. When wiring, verify polarity and ensure compatible lugs are rated for PV interface currents to maintain UL 489 compliance.
Key specs include 100 A amperage rating, 600 Vac / 250 Vdc voltage ratings, and a T185 trip type, with three poles. Interruption ratings are 65 kAIC at 240 Vac, 25 kAIC at 480 Vac, and 18 kAIC at 600 Vac. These figures support reliable protection for PV arrays, inverters, and DC feeders while meeting NEC/UL standards.
Yes, it is suitable for commercial solar installations requiring UL 489 protection, 50/60 Hz compatibility, and solid DC protection up to 250 Vdc. The three-pole JG frame is compact, and when paired with proper terminations, it simplifies integration in switchgear and PV cabinets. Its high interrupt ratings help protect inverters and feeders during fault events.
The unit is UL 489 certified, supporting 50/60 Hz operation. It carries PVGuard lineage suitable for solar protection and is designed for DC protection up to 250 Vdc with a 100 A rating. These certifications ensure compliance with electrical safety codes and PV-specific protection requirements in modern solar installations.
PVGuard JG breakers offer reliable protection with a predictable maintenance profile, backed by Eaton’s warranty. The compact form, straightforward field wiring with external terminations, and high fault current ratings reduce downtime and service calls, leading to lower lifecycle costs and a faster return on investment for PV projects.