Eaton NZMN3-AEF600-NA Molded Case Breaker - UL Listed
Part Number: NZMN3-AEF600-NA
Quick Summary
Eaton NZMN3-AEF600-NA molded case breaker provides reliable distribution circuit protection for industrial panels. Nuisance trips and lengthy setup during panel upgrades are a common pain point, impacting uptime and maintenance costs. UL Listed safety certification underpins the device's reliability in 690 V systems, with a 50 kAIC short-circuit rating and a rugged NZM3 frame. Designed for industrial automation environments, it integrates seamlessly with distribution protection schemes and modular motor-control panels. The 600 A fixed overload setting supports precise protection coordination, reducing nuisance trips while preserving downstream equipment.
Product Information
Extended Description
NZMN3-AEF600-NA Eaton: Eaton Series NZM complete molded case circuit breaker, NZM3-frame, NZMN3, Thermal-magnetic trip, 1200-4800A delayed, Three-pole, 600A, 690 Vac, 50 kAIC at 415 Vac, 42 kAIC at 480 Vac, Distribution circuit protect., Front screw, 600-600A
Product Name
Eaton Series NZM complete molded case circuit breaker
Catalog Number
NZMN3-AEF600-NA
EAN
4015082692827
Product Length/Depth
5.512 in
Product Height
5.512 in
Product Width
5.512 in
Product Weight
5.5 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
600 A
Voltage rating
690 V AC
Trip Type
T268
Circuit breaker type
NZMN3
Frame
NZM3
Class
Distribution circuit protection
Accessories
Rocker lever, motor drive
Setting Range Ol Protector
600-600A
Short-circuit breaking capacity
50 kAIC
Interrupt rating
42 kAIC at 480 Vac 50 kAIC at 415 Vac
Connection
Front screw
Overload range
600-600A
Number of poles
Three-pole
Trip rating
1200-4800 A delayed
Thermal-magnetic protection with T268 trip type provides fast, coordinated responses to overloads and short circuits, reducing downtime and protecting upstream and downstream devices. This translates to longer equipment life and lower maintenance costs in demanding manufacturing environments, while maintaining consistent protection across distribution circuits. The breaker’s industry-standard NZM3 frame ensures compatibility with existing NZM3-based panels and retrofit projects, minimizing wiring changes and accelerating commissioning. Front screw connections simplify installation in tight panel gaps and support straightforward field maintenance, reducing labor time during upgrades or expansions. The availability of rocker lever and motor-drive accessories enhances control flexibility for motor-start and drive applications, enabling smoother commissioning and safer motor operation. A 600 A overload setting range and clear labeling support precise coordination with upstream protective devices and downstream loads in complex automation cabinets.
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FAQs
For installation, plan front screw mounting in compatible enclosures to simplify retention and service. The NZMN3-AEF600-NA uses a three‑pole NZM3 frame with a 600 A rating, and supports optional accessories such as rocker lever and motor-drive units. Ensure panel space allows for the 5.5 in depth and confirm available clearance for wiring and routine maintenance.
It is engineered for robust fault handling with a short-circuit capacity of 50 kAIC at 415 VAC and 42 kAIC at 480 VAC, enabling reliable upstream-downstream coordination. The T268 thermal-magnetic trip type delivers fast, reliable tripping to isolate faults while minimizing collateral damage to adjacent circuits and equipment.
Yes. The three-pole design, 600 A rating, and NZM3 frame support motor-control panel use. Optional motor-drive accessories and a front-screw connection streamline installation and maintenance in motor circuits, and the device coordinates with motor protection schemes to improve start-up reliability and reduce nuisance trips during operation.
The NZMN3-AEF600-NA carries UL Listed certification, indicating conformity with recognized safety standards for electrical protection devices. This qualification supports regulatory compliance in many regions and enhances supplier risk management for panel builders and integrators working with 690 V systems and high-current protection.
The device’s durable construction, UL safety certification, and straightforward front-screw mounting reduce maintenance time during inspections and upgrades. Its reliable protection limits downtime from faults, and the option to add accessories like a rocker lever and motor drive can improve control reliability and commissioning speed, contributing to lower total cost of ownership over the equipment lifecycle.