Eaton NGH408036MC Molded Case Circuit Breaker - Series G

Part Number: NGH408036MC
Manufacturer
Eaton
Part number
NGH408036MC

Quick Summary

The Eaton NGH408036MC molded case circuit breaker provides reliable overcurrent protection for industrial power panels and control circuits. In demanding environments, engineers often struggle to coordinate protective devices without sacrificing panel space or uptime. This 800 A, 4-pole unit in the Series G family delivers 100% rated performance and supports metric tapped terminations for compact, field-friendly wiring. While compliance requirements vary by region, verify CE, IP, or SIL applicability with the manufacturer or datasheet. The LSIG variant and broad accessory ecosystem enable improved selective coordination and safety, while its compact 1 footprint simplifies installation in crowded panels. The result is improved reliability, faster assembly, and scalable protection architecture for modern industrial plants.

Product Information

Extended Description

NGH408036MC Eaton: Eaton Series G molded case circuit breaker, NGH 310+ 4P, 800A, LSIG, METRIC TAPPED TERMS, 100% RATED
Product Name
Eaton Series G molded case circuit breaker
Catalog Number
NGH408036MC
UPC
786685939872
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
Feature: High current capacity and four-pole design → Business Impact: Ensures simultaneous interruption across all phases, reducing fault-current imbalance and simplifying coordination with other protective devices. Application: Motor control centers and heavy-power distribution panels where multi-phase protection is essential. Feature: 100% rated performance with metric tapped terminations → Business Impact: Enables continuous operation under rated load and streamlined wiring with reliable, compact terminations. Application: Dense control panel installations requiring tight wiring schedules and durable connections. Feature: Compact 1 in cube footprint and 1 lb weight → Business Impact: Simplifies panel layout, reduces install time, and supports higher packing density in control enclosures. Application: Space-constrained panels in manufacturing lines and process equipment. Feature: Accessory ecosystem and documentation → Business Impact: Facilitates quick configuration, easier maintenance, and scalable protection schemes with plug-in adapters and high-performance handles. Application: Field upgrades and future-proofing of existing Series G installations. Feature: Series G compatibility and LSIG option → Business Impact: Improves selective coordination and safety while allowing seamless integration with other Eaton MCCB components. Application: Large-scale automation and plant-wide protection strategies.

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FAQs

The NGH408036MC is a four-pole molded case circuit breaker designed for panelboards and control panels in industrial settings. It supports metric tapped terminations and a compact 1 in depth, enabling easy mounting in tight spaces. It is compatible with Eaton Series G accessories, including plug-in adapters and high-performance handles, which helps streamline installation and future upgrades.
Key specs include an 800 A current rating, 4-pole configuration, metric tapped terminations, and a compact 1 in cube footprint with a 1 lb weight. The device is designed for 100% rated continuous operation and supports LSIG configurations to improve protection coordination. Catalog information confirms the model NGH408036MC within Eaton's Series G family.
Yes. The four-pole, 800 A Series G breaker is suitable for motor protection scenarios and can be coordinated with other Series G devices and accessories to achieve selective protection. For best results, design protection schemes using Eaton datasheets and the NG/ND frame catalogs to ensure proper breaker sizing, timing, and coordination with upstream protective devices.
This model lists compliance as 'Contact Manufacturer', so verify regional certifications with Eaton datasheets or local representatives. Typical considerations include CE marking, IP ratings, and SIL applicability depending on your region and application. Always cross-check the latest datasheet to ensure the unit meets your specific regulatory and safety requirements.
The NGH408036MC offers robust protection with low maintenance needs due to its solid molded-case design and 800 A rating, reducing fuse-related downtime. Its modular accessory ecosystem simplifies upgrades and selective coordination, lowering lifecycle costs. Coupled with Eaton’s service resources and documentation, you can expect faster installation, easier future expansions, and a favorable return on investment for industrial power protection projects.