Eaton NZMH3-AEF600-NA Molded Case Circuit Breaker - UL
Part Number: NZMH3-AEF600-NA
Quick Summary
NZMH3-AEF600-NA molded case circuit breaker protects distribution panels in industrial environments. Engineers often wrestle with nuisance trips, slow fault isolation, and protection setting adjustments. UL Listed certification demonstrates safety compliance for electrical distribution, while the NZM3 frame delivers reliable, scalable protection. With a 600 A rating, 600 Vac voltage, and 100 kAIC at 480 Vac, this device supports code-compliant protection in demanding facilities. The combination of high performance and straightforward installation translates to reduced downtime, improved maintenance planning, and a cleaner spare-parts strategy for Eaton-protected systems.
Product Information
Extended Description
NZMH3-AEF600-NA Eaton: Eaton Series NZM complete molded case circuit breaker, NZM3-frame, NZMH3, Thermal-magnetic trip, 1200-4800A delayed, Three-pole, 600A, 600 Vac, 100 kAIC at 480 Vac, Distribution circuit protection, 300-600A, Front screw, 600-600A
Product Name
Eaton Series NZM complete molded case circuit breaker
Catalog Number
NZMH3-AEF600-NA
EAN
4015082692902
Product Length/Depth
6.53 in
Product Height
6.53 in
Product Width
6.53 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
600 Vac
Trip Type
T268
Circuit breaker type
NZMH3
Frame
NZM3
Class
Distribution circuit protection
Accessories
Rocker lever, motor drive
Setting Range Ol Protector
300-600A
Short-circuit breaking capacity
150 kAIC
Interrupt rating
100 kAIC at 480 Vac
Connection
Front screw
Overload range
600-600A
Number of poles
Three-pole
Trip rating
1200-4800 A delayed
Feature: High current rating and voltage enable precise overcurrent protection within demanding industrial feeders. Business Impact: Reduces nuisance tripping while maintaining personnel and equipment safety. Application: Ideal for distribution panels and motor control centers serving high-load machines. Feature: Thermal-magnetic trip with 1200–4800 A delayed trip enables selective coordination. Business Impact: Minimizes system-wide outages by isolating faults without unnecessary shutdowns. Application: Suitable for motor startup scenarios and motor-drive compatible installations. Feature: Short-circuit breaking capacity of 150 kAIC and interrupt rating of 100 kAIC at 480 Vac. Business Impact: Withstands high fault currents, improving protection reliability and equipment longevity. Application: Industrial feeders and high-energy distribution circuits. Feature: NZM3 frame, three-pole design with front screw connections and accessories like rocker lever and motor drive. Business Impact: Streamlines wiring in crowded panels and supports quick upgrades with compatible add-ons. Application: Retrofit or new installations in panel boards requiring modular protection. Feature: UL Listed certification and Eaton warranty coverage. Business Impact: Enhances regulatory compliance and after-sales support, reducing risk and maintenance costs. Application: Widely adopted in regulated industrial environments requiring documented warranty protection.
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FAQs
The NZMH3-AEF600-NA is a three-pole device with front screw connections on the NZM3 frame, designed for straightforward wiring in crowded panels. It supports compatible accessories such as rocker levers and motor-drive options, facilitating quick retrofits or new installations. Its 600 A rating and 600 Vac capacity make it suitable for high-load industrial feeders and motor circuits.
Key specs include a 600 A amperage rating, 600 Vac voltage rating, 1200–4800 A delayed trip, 150 kAIC short-circuit breaking capacity, and 100 kAIC interrupt rating at 480 Vac. It is a three-pole unit built on the NZM3 frame with a T268 trip type, designed for robust distribution protection in industrial environments.
Yes. With a three-pole design, NZM3 frame, front wiring, and accessories like rocker lever and motor drive compatibility, it is well-suited for motor control centers and distribution panels. Its 600 A rating and high fault-current capacity support reliable protection while enabling straightforward integration into existing protection schemes.
The device carries UL Listed certification, reflecting compliance with recognized electrical safety standards for distribution circuit protection. This certification supports regulatory acceptance in many jurisdictions and aligns with common electrical safety programs used in industrial facilities.
Eaton provides a warranty under policy 25-000: one year from the date of installation or eighteen months from shipment, whichever occurs first. This warranty, combined with Eaton's service network, supports ongoing reliability and quick access to parts and technical support for maintenance and repairs.