Eaton MDLB2800 Molded Case Breaker - UL Listed
Part Number: MDLB2800
Quick Summary
Eaton MDLB2800 molded case circuit breaker protects electrical distribution in industrial facilities. In practice, panel downtime and nuisance trips cost money and slow projects. UL Listed certification supports safety compliance, while the fixed thermal magnetic trip and two-pole MDLB design deliver reliable protection in Series C MDL frames. Suitable for motor circuits and power distribution panels, it helps facilities meet reliability targets while simplifying maintenance and service planning. With an 800 A rating and high interrupt capabilities, this solution supports scalable protection in medium to large load environments for long-term efficiency.
Product Information
Extended Description
MDLB2800 Eaton: Eaton Series C complete molded case circuit breaker, MDL-frame, MDLB, Complete breaker, Fixed thermal, fixed magnetic trip type, Two-pole, 800A, 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
MDLB2800
UPC
782114586167
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
Amperage Rating
800 A
Trip Type
T186
Circuit breaker type
MDLB
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
Two-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
Circuit breaker motor operators product aid
Circuit breaker motor operators product aid
Circuit breaker motor operators product aid
Circuit breaker motor operators product aid
Circuit breaker motor operators product aid
Circuit breaker motor operators product aid
Circuit breaker motor operators product aid
Breaker service centers
Circuit Protection, Molded Case Circuit Breakers, Volume 4, Tab 2
Circuit breakers explained
Circuit breakers explained
Eaton Specification Sheet - MDLB2800
Eaton Specification Sheet - MDLB2800
Eaton Specification Sheet - MDLB2800
Eaton Specification Sheet - MDLB2800
Eaton Specification Sheet - MDLB2800
Feature → Business Impact → Application: The MDLB2800 delivers an 800 A amperage rating in a two-pole configuration with fixed thermal and fixed magnetic trips, enabling precise fault discrimination and fast isolation to minimize downtime in critical power feeds. This translates to lower maintenance costs and improved uptime in industrial plants where motor loads and lighting require dependable protection. Application: Main feeders and motor control centers benefit from tight trip performance and predictable response. Feature → Business Impact → Application: Interrupt ratings of 50 kAIC at 480 Vac and 65 kAIC at 240 Vac provide robust fault current withstand, supporting coordination with upstream devices and enhancing system safety in high-energy environments. Application: Distribution panels in manufacturing lines and process facilities gain improved resilience. Feature → Business Impact → Application: MDL frame Series C complete breakers offer compact, standardized installation, reducing wiring complexity and enabling straightforward retrofit in existing enclosures. Application: New builds and panel upgrades. Feature → Business Impact → Application: UL Listed certification simplifies procurement, accelerates commissioning, and supports compliance with safety codes, reducing project risk. Application: Any UL-regulated installation. Feature → Business Impact → Application: Comprehensive documentation and downloadable resources (application notes, specifications, and manuals) streamline engineering studies and commissioning, enabling faster fault analysis and service planning. Application: Design validation and field service.
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FAQs
MDLB2800 is designed for Series C MDL framed panels and two-pole configurations. Ensure enclosure spacing accommodates the 0.01 in product dimensional notes and verify terminal clearance per UL guidelines. The unit’s fixed thermal-magnetic trip simplifies wiring layouts and reduces field adjustments during retrofits, supporting efficient commissioning.
Key specs include an 800 A amperage rating, 2 poles, and interrupt ratings of 65 kAIC at 240 Vac and 50 kAIC at 480 Vac. The trip type is fixed thermal-magnetic (T186), with a Series C MDL frame. These characteristics enable reliable fault clearance and safe operation in standard industrial powerDistribution networks.
Yes. The MDLB2800 provides strong short-circuit protection with high interrupt ratings and a robust fixed trip system, making it suitable for motor circuits and machine controls in industrial settings. For harsh environments, ensure proper enclosure rating and correct installation practices per Eaton application notes to maintain reliability.
MDLB2800 is UL Listed, meeting established safety standards for molded case circuit breakers. This certification supports compliance in North American installations and simplifies procurement for regulated projects. Always verify site-specific requirements; additional regional certifications may apply depending on your jurisdiction.
The MDLB2800’s robust protection reduces unplanned downtime by reliably interrupting faults, translating to lower maintenance costs and fewer panel trips. Its standardized MDL Series C design simplifies spares, installation, and future upgrades, delivering quicker commissioning and consistent performance across multiple panels and facilities.