Eaton LDC3500 Molded Case Circuit Breaker - UL 489

Part Number: LDC3500
LDC3500
Manufacturer
Eaton
Part number
LDC3500
Category

Quick Summary

Molded Case Circuit Breaker protection is designed to interrupt overcurrent and safeguard industrial power circuits. The Eaton LDC3500 provides reliable three-pole protection for motors, feeders, and control panels in demanding environments. This model emphasizes safety and uptime, reducing unplanned downtime and equipment damage. UL 489 certification underpins compliance with recognized electrical protection standards, while the Series C, L-frame design supports compact installation in panel boards. With aluminum terminals and fixed thermal-magnetic trip, it offers robust performance in 50/60 Hz systems, making it a solid choice for machine builders, OEMs, and maintenance teams seeking dependable power protection and straightforward installation.

Product Information

Extended Description

LDC3500 Eaton: Eaton Series C complete molded case circuit breaker, L-frame, LDC, Fixed thermal, fixed magnetic trip, Three-pole, 500A, 600 Vac, 250 Vdc, 200 kAIC at 240 Vac, 100 kAIC at 480 Vac, Aluminum, Line and load, 50/60 Hz
Product Name
Eaton Series C complete molded case circuit breaker
Catalog Number
LDC3500
UPC
786679046234
Product Length/Depth
8.25 in
Product Height
8.25 in
Product Width
8.25 in
Product Weight
21 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
Voltage rating
600 Vac, 250 Vdc
Trip Type
T186
Circuit breaker type
LDC
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
100 kAIC at 480 Vac 200 kAIC at 240 Vac
Number of poles
Three-pole
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Feature → Business Impact → Application: Fixed thermal and fixed magnetic trip provide reliable protection against overloads and short circuits, reducing equipment damage and maintenance costs; ideal for motor circuits and feeders in manufacturing lines and packaging equipment. Feature → Business Impact → Application: Three-pole LDC design with an L-frame and line/load terminals enables straightforward mounting and wiring within standard electrical panels, accelerating commissioning and simplifying spare parts planning for panel builders. Feature → Business Impact → Application: 500 A amperage rating and 600 Vac / 250 Vdc voltage ratings support high-demand industrial drives and power distribution networks, improving energy reliability and enabling safer motor startups. Feature → Business Impact → Application: High interrupt ratings—200 kAIC at 240 Vac and 100 kAIC at 480 Vac—protect large fault currents common in warehouses, processing plants, and heavy manufacturing, reducing arc flash risk and downtime. Feature → Business Impact → Application: UL 489 certification ensures compliance with established MCCB standards, streamlining procurement and approvals for OEMs and maintenance teams. Feature → Business Impact → Application: Compact 8.25 in footprint and aluminum terminals ease installation in tight control panels, enabling faster upgrades and better corrosion resistance in harsh environments.

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FAQs

The LDC3500 is designed for motor protection, feeders, and control panels in industrial environments. Its three-pole, L-frame construction with line/load terminals supports compact panel layouts while delivering reliable overcurrent protection in 600 Vac / 250 Vdc systems.
The LDC3500 uses fixed thermal and fixed magnetic trip to protect against both overloads and short-circuit faults. This dual action minimizes nuisance trips while reliably interrupting high fault currents, protecting motors and downstream equipment in 50/60 Hz installations.
Yes, the LDC3500 features aluminum terminals for line and load connections. This compatibility simplifies wiring, improves corrosion resistance, reduces tightening maintenance, and supports durable connections essential for long-term panel reliability.
The LDC3500 carries UL 489 certification, a key standard for molded case circuit breakers. This certification streamlines compliance reviews, supports safe and consistent performance in industrial panels, and often satisfies customer and contractor qualification requirements.
Routine checks should focus on ensuring secure line/load terminations, verifying trip and wiring integrity, and inspecting for signs of overheating or wear in the enclosure. With UL 489 compliance and a robust fixed-trip mechanism, maintenance schedules can be aligned with standard MCCB service intervals to sustain uptime.