Eaton NGH408035EC Molded Case Circuit Breaker - 100% Rated
Part Number: NGH408035EC
Quick Summary
The Eaton NGH408035EC molded case circuit breaker provides reliable overcurrent protection for industrial panels and motor control centers. Engineers often battle nuisance trips and coordination gaps that disrupt uptime and drive maintenance costs. Compliance and approvals are managed by the manufacturer; regional CE, UL, and IEC certifications vary by market, so confirm current approvals with Eaton. This compact unit offers 100% rated operation in a 1 x 1 x 1 in cube footprint, with four poles and an 800 A frame suitable for panel feeders. Designed for use with Series G accessories and standard tap-rule configurations, it delivers easy installation, preserves space, and supports scalable protection across modern automation architectures. By leveraging Eaton's application notes and catalogs, project teams can accelerate commissioning and ensure proper coordination with downstream protective devices.
Product Information
Extended Description
NGH408035EC Eaton: Eaton Series G molded case circuit breaker, NGH 310+ 4P, 800A, LSG, ENGLISH TAPPED TERMS, 100% RATED
Product Name
Eaton Series G molded case circuit breaker
Catalog Number
NGH408035EC
UPC
786685939841
Product Length/Depth
1 in
Product Height
1 in
Product Width
1 in
Product Weight
1 lb
Compliances
Contact Manufacturer
Type
Series G
Special features
Molded case circuit breaker
Application of Tap Rules to Molded Case Breaker Terminals
Application of Tap Rules to Molded Case Breaker Terminals
High performance operating handles for Series G circuit breakers product aid
High performance operating handles for Series G circuit breakers product aid
High performance operating handles for Series G circuit breakers product aid
High performance operating handles for Series G circuit breakers product aid
High performance operating handles for Series G circuit breakers product aid
High performance operating handles for Series G circuit breakers product aid
High performance operating handles for Series G circuit breakers product aid
High performance operating handles for Series G circuit breakers product aid
High performance operating handles for Series G circuit breakers product aid
High performance operating handles for Series G circuit breakers product aid
High performance operating handles for Series G circuit breakers product aid
High performance operating handles for Series G circuit breakers product aid
Breaker service centers
Circuit Protection, Molded Case Circuit Breakers, Volume 4, Tab 2
MOEM MCCB product selection guide
MOEM MCCB product selection guide
Feature: 800 A frame, 4P configuration with 100% rated operation. Business Impact: Provides robust, reliable protection for high-demand feeders while minimizing nuisance trips, improving panel uptime in heavy industrial environments. Application: Ideal for main feeders in distribution panels and motor control centers using Series G MCCB architectures, with improved short-circuit protection and coordination. Feature: Compact 1 in cube footprint (Length/Depth 1 in, Height 1 in, Width 1 in) and light 1 lb weight. Business Impact: Simplifies installation in tight control panels, reduces enclosure size, and lowers overall cabinet costs. Application: Suitable for space-constrained industrial automation panels and control desks where footprint matters. Feature: Series G molded case design with molded terminals and tap-rule compatibility. Business Impact: Easier wiring, safer terminations, and compliance alignment through documented terminal practices. Application: Works with standard multi-wire lugs and taps as described in Eaton application notes, speeding up commissioning. Feature: Rich technical library and resources (application notes, selection guides, and service centers). Business Impact: Accelerates design validation, provides clear guidance for proper selection, and supports long-term maintenance planning. Application: Useful for OEMs and end users designing robust panel protection for automation lines. Feature: Comprehensive compatibility with Series G accessories (operating handles, motor operators, plug-in adapters, and lugs). Business Impact: Enables scalable protection schemes and quicker retrofit or expansion projects. Application: Suitable for evolving control panels and retrofit programs across manufacturing lines.
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FAQs
For new panel installations, use the 4P configuration with an 800 A frame to protect main feeders. The 1 in cube footprint simplifies internal layout, and the unit is designed for compatibility with Series G accessories and standard lug/wire terminations. Consult Eaton's application notes (tap rules and terminal guidance) to ensure correct lug sizes, wire sizing, and torque practices during commissioning.
100% rated operation means the breaker trips at its rated current without de-rating under normal conditions, improving predictability in protection coordination. This supports reliable short-circuit protection for feeders and MCCs, reduces nuisance tripping, and helps achieve consistent selective protection when paired with downstream devices in automation panels.
Compliances for NGH408035EC are managed by the manufacturer; regional CE, UL, and IEC certifications vary by market. Please contact Eaton or your local distributor to confirm current approvals and identify any region-specific labeling or testing requirements before procurement and installation.
Eaton provides extensive documentation including application notes on tap rules for molded case breakers, a MOEM MCCB product selection guide, and series-specific catalogs. These resources aid terminations, wiring schemes, selective coordination, and accessory selection, reducing commissioning time and ensuring compliant installations in control panels.
Using NGH408035EC delivers robust overcurrent protection with a compact footprint, enabling higher panel density and safer operation. Its 100% rated performance reduces nuisance trips, supports reliable uptime for manufacturing lines, and aligns with Eaton’s comprehensive accessory ecosystem and technical resources to accelerate design, testing, and maintenance.