Eaton LDB2350W Molded Case Circuit Breaker - UL 489

Part Number: LDB2350W
LDB2350W
Manufacturer
Eaton
Part number
LDB2350W
Category

Quick Summary

Molded case circuit breaker protects electrical systems by interrupting fault currents in industrial panels. For design and maintenance teams, nuisance trips and unplanned downtime erode uptime and escalate service costs; the LDB2350W delivers precise thermal-magnetic protection to keep equipment safe and available. UL 489 certified and UL-listed, along with compatibility with Series C L-frame configurations, ensures safety, compliance, and easy integration in 50/60 Hz environments. This model supports reliable protection while enabling scalable panel protection, reducing downtime and total cost of ownership. In practice, it helps engineers meet demanding uptime targets without sacrificing protection or speed of service.

Product Information

Extended Description

LDB2350W Eaton: Eaton Series C complete molded case circuit breaker, L-frame, LDB, Complete breaker, Fixed thermal, fixed magnetic trip type, Two-pole, 350A, 65 kAIC at 240 Vac, 35 kAIC at 480 Vac, Without terminals, 50/60 Hz
Product Name
Eaton Series C complete molded case circuit breaker
Catalog Number
LDB2350W
UPC
786679148426
Product Length/Depth
4.06 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
350 A
Trip Type
T186
Circuit breaker type
LDB
Circuit breaker frame type
Complete breaker
Series
Series C
Terminals
Without terminals
Frame
L
Frequency rating
50 to 60 Hz
Interrupt rating
35 kAIC at 480 Vac 65 kAIC at 240 Vac
Number of poles
Two-pole
Application of Multi-Wire Terminals for Molded Case Circuit Breakers Application of Multi-Wire Terminals for Molded Case Circuit Breakers Application of Multi-Wire Terminals for Molded Case Circuit Breakers StrandAble terminals product aid StrandAble terminals product aid StrandAble terminals product aid StrandAble terminals product aid StrandAble terminals product aid StrandAble terminals product aid StrandAble terminals product aid Breaker service centers Circuit Protection, Molded Case Circuit Breakers, Volume 4, Tab 2 Circuit breakers explained Circuit breakers explained Series C G-Frame molded case circuit breakers time current curves Series C G-Frame molded case circuit breakers time current curves Series C G-Frame molded case circuit breakers time current curves Series C G-Frame molded case circuit breakers time current curves Series C G-Frame molded case circuit breakers time current curves
Feature: 350 A amperage rating enables protection of larger feeders and motor circuits. Business Impact: Supports higher load centers with fewer devices, lowering panel complexity and installation time. Application: Main feeders in mid-to-large industrial control panels benefit from this rating. Feature: 65 kAIC at 240 Vac and 35 kAIC at 480 Vac interrupt rating provides robust fault-current interruption. Business Impact: Improves safety margins and protects downstream equipment during short-circuit events, reducing equipment damage. Application: Distribution panels in high-energy environments in manufacturing and processing facilities. Feature: Fixed thermal, fixed magnetic trip type (T186) delivers reliable, predictable tripping behavior. Business Impact: Minimizes nuisance trips and ensures selectivity, supporting preventive maintenance plans. Application: Motors and power circuits with varying inrush and fault profiles. Feature: L-frame, Series C complete breaker design (without terminals) offers straightforward integration with Eaton accessories and compatible terminations. Business Impact: Streamlines field upgrades and terminations, reducing install time and errors. Application: Retrofit and new panel installations in automation and control rooms. Feature: 50 to 60 Hz operation with two-pole configuration ensures global applicability. Business Impact: Enables cross-border projects and aligns with international standards, simplifying procurement. Application: Global manufacturing lines and multi-site facilities needing consistent protection across regions. Feature: Compact footprint (4.06 in depth, 8.25 in height/width) and 18 lb weight support flexible panel layouts. Business Impact: Reduces dead space and ergonomic handling during installation and maintenance. Application: Space-constrained control cabinets and modular switchgear installations. Feature: Warranty of one year from installation or eighteen months from shipment provides vendor-backed protection. Business Impact: Lower long-term risk and clearer service expectations for maintenance budgeting. Application: Project timelines with defined service windows and service-level planning.

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FAQs

The LDB2350W is shipped without terminals, but it is designed for use with Eaton StrandAble terminals or compatible lug kits. For proper termination, refer to the StrandAble terminals product aids and MCCB accessory guides to confirm compatibility with Series C L-frame configurations and the installation torque requirements.
The device provides 65 kAIC at 240 Vac and 35 kAIC at 480 Vac. This indicates the maximum interrupting current the breaker can safely handle without damage. In practice, this protects feeders and equipment from high fault currents in typical industrial power distributions, improving system resilience and reducing downstream equipment failure risk.
Yes. The LDB2350W is specified for 50 to 60 Hz operation and two-pole configurations, making it suitable for global industrial panels, motor control centers, and automation drives that require reliable overcurrent protection across regions with different electrical standards.
The LDB2350W carries UL 489 certification, indicating compliance with essential safety and performance standards for molded case circuit breakers. This certification supports regulatory compliance in North America and enhances supplier verification for quality and safety in industrial installations.
Warranty terms specify one year from installation or eighteen months from shipment, whichever comes first. This provides a defined service window for performance verification and aligns with Eaton's policy 25-000, helping maintenance teams budget and plan upgrades or replacements accordingly.