Eaton MDL3800 Molded Case Circuit Breaker - UL Listed

Part Number: MDL3800
Manufacturer
Eaton
Part number
MDL3800

Quick Summary

Eaton MDL3800 molded case circuit breaker protects industrial power systems by delivering reliable overcurrent protection for distribution panels. Engineers often wrestle with selecting breakers that fit tight spaces while maintaining precise trip performance. UL Listed certification confirms safety compliance for U.S. installations, while the device supports 600 Vac and 250 Vdc operation across 50/60 Hz systems. The fixed thermal and fixed magnetic trip offer predictable coordination with downstream devices, reducing nuisance tripping and unplanned downtime. This MDL3800 in Series C provides a compact MDL frame with a three-pole configuration for scalable protection in panel boards and motor control centers.

Product Information

Extended Description

MDL3800 Eaton: Eaton Series C complete molded case circuit breaker, MDL-frame, MDL, Complete breaker, Fixed thermal, Fixed magnetic trip, Three-pole, 800A, 600 Vac, 250 Vdc, 65 kAIC at 240 Vac, 50 kAIC at 480 Vac, 50/60 Hz
Product Name
Eaton Series C complete molded case circuit breaker
Catalog Number
MDL3800
UPC
782114586006
Product Length/Depth
18 in
Product Height
8 in
Product Width
11 in
Product Weight
30 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
800 A
Voltage rating
600 Vac, 250 Vdc
Trip Type
T186
Circuit breaker type
MDL
Circuit breaker frame type
Complete breaker
Series
Series C
Frame
MDL
Interrupt rating
50 kAIC at 480 Vac 65 kAIC at 240 Vac
Number of poles
Three-pole
Feature: 800 A amperage rating on a three-pole MDL frame. Business Impact: Enables protection of high-load distribution points with minimal device count, reducing panel footprint and wiring complexity. Application: Large motor feeders and main distribution panels in industrial plants. The MDL3800 supports efficient coordination with downstream protection and minimizes downtime. | Feature: 600 Vac / 250 Vdc voltage rating. Business Impact: Enables safe operation across mixed AC and DC loads without swapping devices, accelerating panel upgrades. Application: Panels serving mixed motor drives and control systems in manufacturing lines. | Feature: Trip Type T186 with fixed thermal and fixed magnetic trip. Business Impact: Delivers predictable, fast response to overcurrents, improving reliability and reducing equipment wear. Application: Critical loads in process lines and automated motion systems. | Feature: Interrupt rating of 50 kAIC at 480 Vac and 65 kAIC at 240 Vac. Business Impact: Higher fault current resilience reduces the likelihood of catastrophic failures and short-circuit damage. Application: Commercial and industrial utility-fed networks with diverse fault currents. | Feature: Series C complete molded case breaker, MDL frame, three-pole configuration. Business Impact: Simplified procurement with a standardized platform, faster installation, and easier maintenance. Application: Motor control centers, panel boards, and industrial controls requiring robust protection with compact footprint. | Insight: Industry-standard compatibility with StrandAble terminals and a broad catalog of Eaton documentation enhances installation confidence and future upgrades.

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FAQs

The MDL3800 is designed for Series C molded case applications on the MDL frame, including standard industrial panels and motor control centers. It integrates with common Series C enclosure interfaces and maintains compliant busbar alignment for straightforward installation, reducing field adjustments and commissioning time.
MDL3800 is a three-pole MCCB rated at 800 A with voltage ratings of 600 Vac and 250 Vdc. It features a fixed thermal and fixed magnetic trip (T186) and an interrupt rating of 50 kAIC at 480 Vac and 65 kAIC at 240 Vac, suitable for high fault-current environments.
Yes. The MDL3800 supports 50/60 Hz operation and is designed for robust protection in industrial power distribution and automation environments, including panel boards and motor control centers where reliable tripping and coordination are critical.
A comprehensive set of Eaton documents accompanies the MDL3800, including the Specification Sheet, time-current curves, application notes, and catalogs. These resources assist with correct sizing, wiring, tap rules, terminal selection, and compliant installation procedures.
With a reliable UL Listed design, durable fixed-trip mechanism, and a standardized Series C MDL platform, the MDL3800 reduces spare parts, simplifies maintenance, and accelerates upgrades—lowering total cost of ownership in high-demand industrial environments.