Eaton LDB2500 Molded Case Circuit Breaker - UL 489

Part Number: LDB2500
Manufacturer
Eaton
Part number
LDB2500

Quick Summary

Eaton LDB2500 molded case circuit breaker is a reliable two-pole MCCB designed to protect power distribution and motor circuits in industrial panels. Engineers often face nuisance trips and misrated devices that slow down commissioning and maintenance. This Series C complete breaker delivers precise protection with fixed thermal and fixed magnetic trips, rated 500 A and UL 489 certified for safe operation. With 50 to 60 Hz compatibility and aluminum line-load terminals, it fits standard panel frameworks and simplifies installation. Choosing LDB2500 helps reduce downtime, improves safety, and supports scalable protection as panel architectures evolve. UL 489 certification and UL-listed 100%-rated operation are noted in Eaton documentation, strengthening compliance confidence for end users.

Product Information

Extended Description

LDB2500 Eaton: Eaton Series C complete molded case circuit breaker, L-frame, LDB, Complete breaker, Fixed thermal, fixed magnetic trip type, Two-pole, 500A, 65 kAIC at 240 Vac, 35 kAIC at 480 Vac, Aluminum, Line and load, 50/60 Hz
Product Name
Eaton Series C complete molded case circuit breaker
Catalog Number
LDB2500
UPC
786679147856
Product Length/Depth
8.25 in
Product Height
8.25 in
Product Width
8.25 in
Product Weight
18 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
500 A
Trip Type
T186
Circuit breaker type
LDB
Circuit breaker frame type
Complete breaker
Series
Series C
Terminals
Line and load
Frame
L
Frequency rating
50 to 60 Hz
Terminal material
Aluminum
Interrupt rating
65 kAIC at 240 Vac 35 kAIC at 480 Vac
Number of poles
Two-pole
Feature: Two-pole L-frame Series C complete breaker with fixed thermal and fixed magnetic trip (T186). Business Impact: Delivers fast, predictable trips and precise overload protection, reducing nuisance trips and extending equipment life. Application: Ideal for panel boards and motor control centers in manufacturing facilities. Feature: Aluminum line and load terminals with a compact footprint (8.25 in depth/width; 18 lb). Business Impact: Simplifies field termination, accelerates installation, and reduces panel space and wiring time. Application: Used in space-constrained control panels and MCCs. Feature: High interrupt ratings of 65 kAIC at 240 VAC and 35 kAIC at 480 VAC. Business Impact: Superior short-circuit protection for high-energy systems, improving safety margins and system reliability. Application: Suitable for critical power distribution and motor circuits. Feature: UL 489 certified, 50/60 Hz compatibility, Series C J-Frame, Frame L. Business Impact: Ensures global compliance and easy cross-compatibility across standard industrial environments. Application: Fits broad electrical protection schemes in diverse facilities. Feature: Documentation and data support including time-current curves for coordination. Business Impact: Enables precise selectivity and protection coordination, reducing repair time and downtime. Application: Coordination planning for cascaded protection schemes in MCCs and panel boards. Feature: Warranty and service policy (1 year from installation or 18 months from shipment). Business Impact: Provides peace of mind and lowers lifecycle risk, supporting total cost of ownership benefits. Application: Useful for procurement planning and asset management.

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FAQs

To install the LDB2500, mount the unit as a two-pole L-frame MCCB in a standard panel using line and load terminals. Ensure the breaker matches the panel’s bus stabs and use aluminum termination screws for secure field connections. Refer to the Series C time-current curves for coordination and torque settings, and confirm 50/60 Hz compatibility for your region.
Key ratings include a 500 A operating current with fixed thermal and fixed magnetic trip (T186), and interrupt ratings of 65 kAIC at 240 VAC and 35 kAIC at 480 VAC. This two-pole L-frame MCCB is designed for reliable short-circuit protection in industrial panels and motor control centers, with aluminum terminals allowing robust termination.
Yes. The LDB2500 is a Series C complete breaker intended for panel boards and motor control centers, offering 500 A capacity and 50/60 Hz operation. Its fixed magnetic trip and compatibility with motor protection schemes make it ideal for protecting motors, drives, and associated power distribution in manufacturing environments.
UL 489 certification is the primary compliance mark for the LDB2500, with Eaton documentation noting UL-listed, 100%-rated operation for this family. While CE and SIL ratings are region-specific considerations, the official certification for this model is UL 489, ensuring compliance with established industrial safety and performance standards.
With a solid duty cycle and a warranty of one year from installation or 18 months from shipment, the LDB2500 reduces downtime through reliable protection and fewer nuisance trips. Availability of time-current curves supports optimized coordination, potentially lowering maintenance costs while keeping spare parts readily accessible and simplifying asset management.