Eaton NZMH4-VE1200-NA Molded Case Breaker - 85kAIC
Part Number: NZMH4-VE1200-NA
Quick Summary
Eaton NZMH4-VE1200-NA molded case circuit breaker protects critical electrical systems in industrial and commercial applications. Engineers often face challenges delivering reliable selective protection and generator protection in high‑load motor drives without sacrificing uptime. This device is IEC Rated, UL Listed, and CSA Certified, delivering globally recognized safety and performance. With front‑screw terminals, bolt‑on mounting, and a 630–1200 A overload range, it scales easily to evolving power distributions, reducing wiring complexity and maintenance time while enabling predictable tripping behavior across varied loads.
Product Information
Extended Description
NZMH4-VE1200-NA Eaton: Eaton Series NZM complete molded case circuit breaker, NZM4-frame, NZMH4, Thermal-magnetic trip, Three-pole, 1200A, 690 Vac, 85 kAIC at 480 Vac, Bolt-on, Selective and generator protection, Rocker lever, motor drive, Front screw, 630-1200A
Product Name
Eaton Series NZM complete molded case circuit breaker
Catalog Number
NZMH4-VE1200-NA
UPC
786685631547
Product Length/Depth
8.26 in
Product Height
8.14 in
Product Width
8.14 in
Product Weight
46 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
IEC Rated UL Listed CSA Certified
Amperage Rating
1200 A
Voltage rating
690 V AC
Trip Type
T268
Circuit breaker type
NZMH4
Terminals
Bolt-on
Frame
NZM4
Class
Selective and generator protection
Accessories
Rocker lever, motor drive
Interrupt rating
85 kAIC at 480 Vac
Connection
Front screw
Overload range
630-1200A
Number of poles
Three-pole
Feature: Three‑pole NZMH4 frame, 1200 A rating and 690 V AC operation. Business Impact: Provides robust fault interruption and coordinated protection for high‑current feeders, reducing the risk of cascading faults. Application: Ideal for industrial motor drives and large panel boards where uptime matters. Feature: Thermal‑magnetic trip (T268). Business Impact: Precise coordination and fast fault clearing minimize nuisance trips, improving process stability. Application: Critical for sensitive loads, motor protection, and generator protection schemes. Feature: 85 kAIC interrupt rating at 480 Vac. Business Impact: High short‑circuit withstand for tough industrial environments, protecting busbars and equipment. Application: Large installations with potential high fault currents. Feature: Front screw terminals with bolt‑on installation. Business Impact: Simplifies field retrofit and panel upgrades, reducing installation time and labor costs. Application: Retrofit or new builds in expanding facilities. Feature: Accessories including rocker lever and motor drive. Business Impact: Improves operator ergonomics and control accuracy in control cabinets. Application: Motor control centers and power distribution panels. Feature: Certifications and compliance. Business Impact: Ensures regulatory compliance, reduces audit risk, and supports global deployment. Application: Industries with IEC, UL, and CSA requirements.
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FAQs
The NZMH4-VE1200-NA is rated for 1200 A, 690 V AC operation, with a 3-pole design and an 85 kAIC interrupt rating at 480 V. It uses front‑screw terminals and bolt‑on mounting on the NZM4 frame, suitable for high‑current industrial feeders and motor drives.
Yes. It provides selective protection and generator protection capabilities, engineered for dependable coordination with motor drives and power generation setups. The 630–1200 A overload range supports scalable protection across evolving drive and generator configurations.
The device carries IEC Rated, UL Listed, and CSA Certified approvals, ensuring compliance with international safety and performance standards for industrial protection and control equipment.
Front-screw terminals facilitate accessible wiring within control panels, while bolt-on mounting simplifies retrofits and upgrades. The unit weighs 46 lb with dimensions of roughly 8.14 in by 8.14 in by 8.26 in, so plan for secure support and proper panel cutouts to ensure reliable operation.
Warranty terms follow Eaton Selling Policy 25-000: one year from installation or eighteen months from shipment, whichever occurs first. This provides coverage for manufacturing defects and supports ongoing maintenance planning for industrial customers.