Eaton NZMH2-AF100-BT-NA Molded Case Circuit Breaker - UL Listed
Part Number: NZMH2-AF100-BT-NA
Quick Summary
The Eaton NZMH2-AF100-BT-NA Molded Case Circuit Breaker protects distribution circuits in industrial and commercial electrical installations, delivering reliable overcurrent protection with precise adjustability. Engineers frequently struggle with correct ampacity selection, accurate short-circuit protection settings, and reliable panel integration under tight project timelines. UL Listed certification provides safety compliance for US and Canadian panels, while the unit offers 690 Vac / 750 Vdc ratings and up to 150 kAIC interrupt capability. With front-frame clamp mounting and NZM2 frame compatibility, it streamlines panel retrofits, reduces wiring errors, and supports future expansion alongside standard distribution-protection practices. This combination delivers improved uptime, safer operations, and faster commissioning for modern electrical infrastructure.
Product Information
Extended Description
NZMH2-AF100-BT-NA Eaton: Eaton Series NZM complete molded case circuit breaker, NZM2-frame, NZMH2, Adj. thermal, fixed magnetic trip, Three-pole, 100A, 690 Vac, 750 Vdc, 85-150 kAIC, Box, Distribution circuit protect., 100-100A, Front frame clamp, 100-100A
Product Name
Eaton Series NZM complete molded case circuit breaker
Catalog Number
NZMH2-AF100-BT-NA
EAN
4015081074686
Product Length/Depth
4.05 in
Product Height
7.24 in
Product Width
4.13 in
Product Weight
11.7 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.
Compliances
Contact Manufacturer
Certifications
UL Listed
Amperage Rating
100 A
Voltage rating
690 Vac, 750 Vdc
Trip Type
Adjustable thermal, fixed magnetic
Circuit breaker type
NZMH2
Terminals
Box
Frame
NZM2
Class
Distribution circuit protection
Accessories
Rocker lever, motor drive
Adjustment range short-circuit release
600-1000A delayed
Setting Range Ol Protector
100-100A
Short-circuit breaking capacity
150 kAIC
Interrupt rating
85-150 kAIC
Connection
Front frame clamp
Overload range
100-100A
Number of poles
Three-pole
Eaton Specification Sheet - NZMH2-AF100-BT-NA
Selling Policy 25-000 - Distribution and Control Products and Services
Feature → Business Impact → Application: The NZMH2-AF100-BT-NA uses a three-pole NZMH2 frame with a 100 A rating and adjustable thermal, fixed magnetic trip to provide precise overcurrent protection. The impact is improved fault discrimination and reduced nuisance trips, which translates to fewer unplanned outages in manufacturing lines or data-center feeder circuits. Application-wise, it is well-suited for distribution panels and motor control centers where stable protection and quick response are critical. Feature → Business Impact → Application: It supports 690 Vac / 750 Vdc operation with a short-circuit breaking capacity up to 150 kAIC, offering robust fault handling for high-energy industrial environments and condensate-free operation in stamping presses, presses, or heavy machinery feeders. This enables safer startups and lower risk during fault conditions. Feature → Business Impact → Application: The adjustable thermal with fixed magnetic trip provides configurable protection ranges (600-1000A delayed for the short-circuit release and 100-100A for overload), enabling precise coordination with upstream breakers and downstream protection schemes. Users gain reliable selective tripping and reduced cascading trips in complex power distributions. Feature → Business Impact → Application: Front-frame clamp terminals simplify physical installation, speed up installation time, and reduce wiring complexity in new builds or retrofit projects, allowing panel shops to meet tight schedules. This makes field replacement and future upgrades straightforward across switchgear rooms and control panels. Feature → Business Impact → Application: Accessories such as rocker lever and motor drive extend versatility for control-panel builders, enabling easy manual operation and integrated motor control options within NZM2 frame assemblies. This reduces part variety, minimizes stocking needs, and supports rapid customization in industrial automation environments. Feature → Business Impact → Application: The product’s UL Listed status and documented warranty framework deliver compliance confidence and predictable service terms, helping procurement teams align with corporate risk management goals while maintaining uptime for critical processes in manufacturing, processing plants, and distribution facilities.
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FAQs
For panel installations, use the front-frame clamp terminals designed with the NZM2 frame. Ensure the breaker is mounted in a compatible distribution panel and verify clearance for the 690 Vac / 750 Vdc ratings. The unit supports straightforward retrofits and exchange-ins with minimal wiring changes, helping to shorten commissioning time.
The adjustable thermal trip allows coordination with downstream protection while the fixed magnetic trip provides immediate response to high fault currents. This combination reduces nuisance trips on normal load changes and ensures selective tripping, protecting downstream equipment and improving overall system reliability.
Yes. The NZMH2 is designed for the NZM2 frame and supports front-frame clamp connections, rocker lever, and motor drive accessories, enabling streamlined installation and consistent performance across standard distribution configurations in control cabinets and switchgear.
This product carries UL Listed certification, confirming compliance with recognized safety standards for North American installations. Compliances indicate the manufacturer’s guidance and the need to verify regional approvals during procurement for site-specific certifications.
By delivering reliable protection with fast fault clearance (high short-circuit current capability) and minimized nuisance trips, the NZMH2-AF100-BT-NA reduces unplanned downtime, lowers maintenance costs, and extends equipment life. The combination of quick installation, standardized NZM2 compatibility, and available warranty terms supports predictable total cost of ownership.