Eaton NZMN4-VE800-NA Molded Case Circuit Breaker - 50 kAIC at 400 Vac
Part Number: NZMN4-VE800-NA
Quick Summary
The Eaton NZMN4-VE800-NA Molded Case Circuit Breaker protects industrial electrical distribution by interrupting fault currents, safeguarding equipment and personnel. For panel builders and maintenance teams, achieving precise selective protection while maintaining generator compatibility during outages is a common challenge. UL Listed, IEC Rated, and CSA Certified, this device satisfies global compliance requirements and simplifies cross-border deployments. With bolt-on terminals, front screw connections, and an 800 A rating capable of 50 kAIC at 400 Vac, it delivers robust performance for motor drives, power distribution, and generator protection. In practice, you gain improved reliability, reduced downtime, and lower total cost of ownership across industrial power systems.
Product Information
Extended Description
NZMN4-VE800-NA Eaton: Eaton Series NZM complete molded case circuit breaker, NZM4-frame, NZMN4, Thermal-magnetic trip, Three-pole, 800A, 600 Vac, 50 kAIC at 400 Vac, Bolt-on, Selective and generator protection, Rocker lever, motor drive, Front screw, 400-800A
Product Name
Eaton Series NZM complete molded case circuit breaker
Catalog Number
NZMN4-VE800-NA
UPC
786685631493
Product Length/Depth
8.15 in
Product Height
8.27 in
Product Width
8.27 in
Product Weight
46.2 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 IEC Rated CSA Certified
Amperage Rating
800 A
Voltage rating
600 Vac
Trip Type
T268
Circuit breaker type
NZMN4
Terminals
Bolt-on
Frame
NZM4
Class
Selective and generator protection
Accessories
Rocker lever, motor drive
Interrupt rating
50 kAIC at 400 Vac
Connection
Front screw
Overload range
400-800A
Number of poles
Three-pole
Feature: NZMN4 frame and three-pole design deliver robust protection for high-current circuits. Impact: enables precise protection coordination across large motor loads, reducing nuisance trips and improving uptime. Application: ideal for motor control centers and distribution panels in manufacturing facilities. Feature: 50 kAIC interrupt rating at 400 Vac and 600 Vac rating provide strong fault current handling. Impact: minimizes arc energy and downstream component damage during faults, improving safety and reliability. Application: suitable for critical power feeds and generator-assisted systems in process industries. Feature: Bolt-on terminals and front screw connections simplify installation and field retrofits. Impact: reduces wiring time and error-prone assembly, enabling faster commissioning and easier maintenance. Application: retrofit projects in existing switchgear or new panels. Feature: Selective and generator protection class ensures targeted tripping and generator safety. Impact: improves uptime by preventing unnecessary trips and protecting generators. Application: power distribution networks with generator backup or cogeneration capabilities. Feature: Certifications and warranty provide regulatory confidence and long-term support. Impact: reduces procurement risk and ensures ongoing service through a 1-year warranty and recognized standards. Application: procurement for regulated facilities and multinational deployments.
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FAQs
The NZMN4-VE800-NA uses bolt-on terminals and front screw connections, aligning with standard NZM4 frame mounting. This design simplifies retrofits and new installations, reducing wiring complexity and enabling secure, field-assembled terminations for reliable power distribution in industrial control panels.
Key specs include an 800 A amperage rating, 600 Vac voltage rating, and a 50 kAIC interrupt capacity at 400 Vac, all within the NZMN4 frame. The trip type is T268, and the device supports selective and generator protection, which helps coordinate upstream devices while protecting critical loads.
Yes. The NZMN4-VE800-NA is designed for motor drives and generator protection due to its selective protection class and generator protection capability. Its robust interrupt rating and compatible accessories (rocker lever, motor drive options) support reliable operation in production environments.
This breaker is UL Listed, IEC Rated, and CSA Certified, meeting major North American and international standards. These certifications simplify procurement across global sites, support safety and compliance documentation, and ease installation in regulated facilities.
The device’s durable construction, front-screw/bolt-on terminals, and standard accessories reduce downtime during maintenance and commissioning. Annual maintenance aligns with vendor policies, and the high interrupt rating plus selective protection contribute to lower total cost of ownership through fewer fault-related outages.