Eaton NZMN4-VE1000-NA Molded Case Breaker - 50 kAIC
Part Number: NZMN4-VE1000-NA
Quick Summary
The Eaton NZMN4-VE1000-NA molded case circuit breaker protects industrial power systems from overloads. Nuisance trips and downtime from inadequate protection can derail projects and raise maintenance costs. This unit is CSA Certified, IEC Rated, and UL Listed, supporting broad compliance across North America and beyond. With selective and generator protection, bolt-on terminals, and front-screw access, it enables scalable protection schemes and faster, safer installations. Together, these features drive reliability in motor drives and high-load feeders, while simplifying panel design and lifecycle maintenance for plant engineers.
Product Information
Extended Description
NZMN4-VE1000-NA Eaton: Eaton Series NZM complete molded case circuit breaker, NZM4-frame, NZMN4, Thermal-magnetic trip, Three-pole, 1000A, 600 Vac, 50 kAIC at 400 Vac, Bolt-on, Selective and generator protection, Rocker lever, motor drive, Front screw, 500-1000A
Product Name
Eaton Series NZM complete molded case circuit breaker
Catalog Number
NZMN4-VE1000-NA
UPC
786685631509
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
CSA Certified IEC Rated UL Listed
Amperage Rating
1000 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
500-1000A
Number of poles
Three-pole
High-current capability and voltage rating deliver robust protection for demanding loads, reducing the risk of costly outages and equipment damage while enabling compact panel design for 600 Vac power systems. This translates to measurable business impact: improved uptime, safer start-ups, and fewer trip-induced shutdowns in motor drive applications. The thermal-magnetic trip (T268) provides precise coordination for selective protection, shrinking nuisance trips and supporting predictable maintenance windows in busy production lines. The NZMN4 frame, three-pole configuration, bolt-on terminals, and front-screw access simplify retrofit and field wiring, accelerating installation and reducing labor costs during panel upgrades. Optional rocker lever and motor drive compatibility add operator convenience and broader control integration, helping engineers meet automation goals without overhauling enclosures. With 50 kAIC available at 400 Vac, the unit offers strong short-circuit withstand for critical feeders and generator protection schemes, delivering peace of mind for compliant, resilient plant power distribution. Finally, the clear alignment with IEC, CSA, and UL standards supports global sourcing and reduces certification friction for multinational facilities.
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FAQs
The NZMN4-VE1000-NA is designed with bolt-on terminals and front-screw access on a three-pole NZM4 frame, enabling straightforward panel mounting and wiring. Its front-access design supports simple wiring during retrofit or initial install, and compatible accessories like rocker levers and motor drive options simplify operator control and integration with existing automation architectures.
This circuit breaker is CSA Certified, IEC Rated, and UL Listed, providing broad regulatory compliance for North American and international panels. These certifications support safe operation in diverse environments and streamline qualification for motor drives, generators, and critical feeders within industrial facilities.
Yes. The NZMN4-VE1000-NA supports selective protection and generator protection schemes, with a 50 kAIC interrupt rating at 400 Vac and a 1000 A rating, making it well suited for motor drive inrush management and generator protection in medium to large power distribution panels.
Key specs include 1000 A amperage rating, 600 Vac voltage rating, 50 kAIC interrupt rating at 400 Vac, a three-pole design, NZM4 frame, bolt-on terminals, and thermal-magnetic trip (T268). These specifications support reliable protection for high-load feeders and motor-driven equipment while ensuring fast fault clearing.
Eaton’s policy provides a one-year warranty from installation or an 18-month warranty from shipment, whichever occurs first. The warranty terms align with standard industrial protection equipment programs and support post-installation service and replacement considerations for mission-critical panels.