Eaton MDL3800FA06K01P07U18 Molded Case Circuit Breaker - UL Listed
Part Number: MDL3800FA06K01P07U18
Manufacturer
Eaton
Part number
MDL3800FA06K01P07U18
Quick Summary
Eaton MDL3800FA06K01P07U18 is a molded case circuit breaker designed to protect power distribution in industrial panels and switchgear. The primary challenge engineers face is selecting a device that delivers reliable protection without nuisance trips or space constraints in crowded enclosures. This model is UL Listed for safety and reliability, and it belongs to the Series C MDL frame family with an LS electronic trip for precise coordination. It supports high-current applications while enabling future-proofing through its adjustable rated current and accessory options. In addition to protection, it offers remote signaling and undervoltage release compatibility, helping facilities meet uptime and safety objectives while reducing installation complexity and lifecycle costs.
Product Information
Extended Description
MDL3800FA06K01P07U18 Eaton: Eaton Series C complete molded case circuit breaker, MDL-frame, MDL, Electronic LS trip, 600A, Three-pole, 800A, 600 Vac, 250 Vdc, 65 kAIC at 240 Vac, 50 kAIC at 480 Vac, 1A-1B rear w/right pigtail, 110-127 Vac rear w/ left pigtail
Product Name
Eaton Series C complete molded case circuit breaker
Catalog Number
MDL3800FA06K01P07U18
UPC
782116036820
Product Length/Depth
0.01 in
Product Height
0.01 in
Product Width
0.01 in
Product Weight
0.01 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
Type
Frame only
Amperage Rating
800 A
Voltage rating
600 Vac, 250 Vdc
Trip Type
T167
Circuit breaker type
MDL
Circuit breaker frame type
Frame only
Auxiliary switch
1A-1B rear with right pigtail
Series
Series C
Undervoltage release
110-127 Vac rear with left pigtail
Frame
MDL
Rated permanent current
Adjustable
Rating plug
600A adjustable
Interrupt rating
65 kAIC at 240 Vac 50 kAIC at 480 Vac
Number of poles
Three-pole
Application of Tap Rules to Molded Case Breaker Terminals
Application of Tap Rules to Molded Case Breaker Terminals
Application of Tap Rules to Molded Case Breaker Terminals
Motor protection circuit breakers product aid
Motor protection circuit breakers product aid
Motor protection circuit breakers product aid
Motor protection circuit breakers product aid
Motor protection circuit breakers product aid
Motor protection circuit breakers product aid
Motor protection circuit breakers product aid
Breaker service centers
Circuit Protection, Molded Case Circuit Breakers, Volume 4, Tab 2
Circuit Breakers Explained
Circuit Breakers Explained
Series C J-Frame molded case circuit breakers time current curves
Series C J-Frame molded case circuit breakers time current curves
Series C J-Frame molded case circuit breakers time current curves
Series C J-Frame molded case circuit breakers time current curves
Series C J-Frame molded case circuit breakers time current curves
Selling Policy 25-000 - Distribution and Control Products and Services
Feature: 800 A amperage rating with 600 Vac / 250 Vdc voltage ratings. Business Impact: Enables safe, scalable protection for high-load feeders and motors, reducing the risk of catastrophic fault damage. Application: Suitable for distribution panels and motor control centers in heavy industrial settings. The MDL frame and Series C design support compact, modular installations, improving panel density and serviceability. Feature: 65 kAIC short-circuit interrupt rating at 240 Vac and 50 kAIC at 480 Vac. Business Impact: Provides robust fault withstand capability, safeguarding equipment and reducing downtime during fault events. Application: Critical for machine rooms and process lines with high fault current potential. Feature: Electronic LS trip (T167) with 1A-1B rear right pigtail auxiliary switch and undervoltage release (110-127 Vac rear with left pigtail). Business Impact: Delivers precise tripping decisions and remote indication, enabling safer remote shutdowns and easier integration with control systems. Application: Essential for automated lines and panel boards requiring remote signaling and coordinated protection. Feature: Three-pole, MDL frame, frame-only configuration with adjustable rated current. Business Impact: Flexible protection for three-phase systems with configurable protection levels, reducing over- or under-protection and enabling aftermarket upgrades. Application: Ideal for new builds or retrofits in manufacturing facilities using Series C MCCBs. Feature: UL Listed certification and broad compatibility with Eaton ecosystem. Business Impact: Streamlines compliance processes and provides a clear path for spare parts, service centers, and documented support. Application: Widely used in electrical protection and circuit control across industrial sectors.
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FAQs
The MDL3800FA06K01P07U18 is a Frame MDL, Series C device designed specifically for Series C MDL frames. It is a three-pole unit with an 800 A rating and 65 kAIC at 240 Vac, making it a straightforward fit for Series C MCCBs and compatible enclosures. The unit supports a right-side 1A-1B rear auxiliary switch and a left-side undervoltage release option, which simplifies control wiring and retrofit projects in existing panels.
Key specs include an 800 A amperage rating, 600 Vac voltage rating with 250 Vdc, and interrupt ratings of 65 kAIC at 240 Vac and 50 kAIC at 480 Vac. It is a three-pole device with an LS electronic trip (T167) providing precise overcurrent protection. These ratings make it suitable for high-demand feeder circuits and motor control centers while meeting common industrial protection requirements.
Yes. With its 800 A rating, 600 Vac/250 Vdc capability, and robust interrupt ratings, this Series C MCCB is well-suited for motor protection in panels and switchgear. The optional undervoltage release and rear auxiliary switch enhance control and interlock capabilities, enabling safe motor startups and remote protection signaling in automated lines.
The product is UL Listed, providing established safety certification and a clear compliance path for electrical protection devices in the United States. This certification supports integration into standard panel assemblies and aligns with typical procurement and maintenance programs in industrial facilities. Always verify local regulatory requirements and panel approval documents for specific installations.
Documentation is available through Eaton's download resources, including application notes on terminals, time-current curves, catalogs, and datasheets. Key assets include Series C time-current curves, MCCB product selection guides, and service center information. Access to these materials supports accurate sizing, installation planning, and validated maintenance strategies to maximize uptime and return on investment.