Eaton NZMH4-AEF800-NA NZM MCCB - UL Listed, 690V
Part Number: NZMH4-AEF800-NA
Quick Summary
Eaton NZMH4-AEF800-NA is a high-capacity molded case circuit breaker designed for distribution protection in industrial electrical panels. Engineers often struggle to balance high current ratings with reliable tripping and compact panel space. This device carries UL Listed certification and supports a robust 85 kAIC short-circuit rating at 480 Vac, plus a 690 Vac operating voltage for demanding industrial duty. With an 800 A setting and three-pole configuration, it integrates easily with front-screw termination and optional motor-drive accessories. In practice, you gain faster installation, predictable coordination, and long-term cost savings through reduced downtime and improved system reliability.
Product Information
Extended Description
NZMH4-AEF800-NA Eaton: Eaton Series NZM complete molded case circuit breaker, NZM4-frame, NZMH4, Thermal-magnetic trip, 1600-9600A delayed, Three-pole, 800A, 690 Vac, 85 kAIC at 480 Vac, Distribution circuit protection, 800-800A, Front screw, 800-800A
Product Name
Eaton Series NZM complete molded case circuit breaker
Catalog Number
NZMH4-AEF800-NA
EAN
4015082711160
Product Length/Depth
8.26 in
Product Height
8.14 in
Product Width
8.14 in
Product Weight
8.3 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 Listed
Amperage Rating
800 A
Voltage rating
690 V AC
Trip Type
T268
Circuit breaker type
NZMH4
Frame
NZM4
Class
Distribution circuit protection
Accessories
Rocker lever, motor drive
Setting Range Ol Protector
800-800A
Short-circuit breaking capacity
85 kAIC
Interrupt rating
85 kAIC at 480 Vac
Connection
Front screw
Overload range
800-800A
Number of poles
Three-pole
Feature: 800 A amperage rating provides strong protection for high-load feeders. Business Impact: Protects valuable equipment while enabling safe, continuous operation in busy production lines. Application: Distribution circuits feeding motors and conveyors in manufacturing facilities. Feature: 85 kAIC short-circuit capacity at 480 Vac ensures rapid interruption for fault conditions. Business Impact: Minimizes arc-flash risk and equipment damage, reducing maintenance costs. Application: Heavy-duty power distribution panels in industrial plants. Feature: 690 Vac operating voltage and NZM4 frame compatible with common industrial systems. Business Impact: Simplifies integration with existing electrical architecture and improves panel density. Application: Vehicle assembly lines, packaging equipment, and process lines. Feature: Front screw termination with included accessories (rocker lever, motor drive) for streamlined installation. Business Impact: Reduces commissioning time and simplifies field upgrades. Application: New builds and retrofit projects with space constraints. Feature: UL Listed certification and Eaton warranty policy provide safety and reliability assurances. Business Impact: Supports compliance audits and lowers procurement risk. Application: Industrial panel builders and system integrators seeking proven protection.
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FAQs
This model uses front screw termination, three-pole configuration, and an 800 A rating within the NZM4 frame, enabling straightforward mounting in standard industrial panels and easy retrofit or upgrade projects.
The NZMH4-AEF800-NA provides 85 kAIC short-circuit capacity at 480 Vac and a maximum voltage rating of 690 Vac, making it suitable for demanding distribution applications in industrial environments.
Yes, it is UL Listed, providing recognized safety certification for industrial distribution panels. Its three-pole design and rugged NZM4 frame support reliable operation in typical industrial settings.
Ideal for distribution circuit protection in manufacturing lines, packaging equipment, and feeder panels in data centers, where high current handling, quick fault interruption, and compact installation space matter.
The unit includes a rocker lever and motor-drive compatibility, enhancing operator control and enabling seamless integration with motor-driven applications, while the front-screw connection simplifies on-site wiring and maintenance.