Eaton NZMN1-A100 NZM MCCB - UL Listed, 100 A, 690 Vac
Part Number: NZMN1-A100
Quick Summary
NZMN1-A100 is an Eaton Series NZM molded case circuit breaker used to protect distribution circuits in industrial panels. Field uptime suffers when overloads or faults trigger unexpected trips, causing costly downtime and unsafe conditions. This device carries UL Listed certification, with a 690 Vac / 500 Vdc rating, 50 kAIC short-circuit capacity, and a three-pole NZMN1 frame to support robust, compliant protection. Its front-frame clamp design and rocker lever enable quick, secure installation, while 80-100 A OL range supports flexibility in protection settings. Used in distribution protection, it helps facilities meet reliability targets and safety standards while optimizing panel footprint and maintenance costs.
Product Information
Extended Description
NZMN1-A100 Eaton: Eaton Series NZM complete molded case circuit breaker, NZM1-frame, NZMN1, Thermal-magnetic trip, 600-1000A trip rating, Three-pole, 100A, 690 Vac, 500 Vdc, 50 kAIC, Dist. circuit protection, Rocker lever, 80-100A, Front frame clamp, 80-100A
Product Name
Eaton Series NZM complete molded case circuit breaker
Catalog Number
NZMN1-A100
EAN
4015082590857
Product Length/Depth
2.68 in
Product Height
5.71 in
Product Width
3.54 in
Product Weight
3.5 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.
Compliances
Contact Manufacturer
Certifications
UL Listed
Amperage Rating
100 A
Voltage rating
690 Vac, 500 Vdc
Trip Type
T268
Circuit breaker type
NZMN1
Frame
NZM1
Class
Distribution circuit protection
Accessories
Rocker lever
Setting Range Ol Protector
80-100A
Short-circuit breaking capacity
50 kAIC
Interrupt rating
50 kAIC
Connection
Front frame clamp
Overload range
80-100A
Number of poles
Three-pole
Trip rating
600-1000 A
Feature: Thermal-magnetic trip protection (T268) automatically senses overloads and short circuits. Business Impact: Delivers fast, selective fault clearing, reducing nuisance trips and protecting critical loads. Application: Suitable for industrial distribution circuits up to 690 Vac, enabling reliable protection in control panels. The protection improves uptime and safety, particularly in manufacturing lines where uninterrupted operation matters. Feature: 100 A amperage rating with 50 kAIC interrupt capacity. Business Impact: Supports high fault currents without compromising breaker integrity, enabling feeder protection for larger loads. Application: Ideal for main feeders and distribution circuits in industrial facilities seeking robust short-circuit handling. This combination helps keep equipment safe while minimizing downstream damage and downtime. Feature: Front frame clamp mounting with a three-pole NZMN1 frame. Business Impact: Simplifies installation and serviceability, reducing wiring time and improving reliability of panel assemblies. Application: Fits standard NZM1 frames in control cabinets, enabling rapid retrofit or upgrade of existing protection schemes. Feature: Setting range 80-100 A OL protector and rocker lever operation. Business Impact: Allows precise tailoring to load profiles and easy manual operation, improving operational efficiency. Application: Useful in machine controls and distribution panels where adjustable protection is needed and frequent manual trips are avoided. Feature: Compact dimensions (2.68 in depth, 3.54 in width, 5.71 in height) and three-pole configuration. Business Impact: Conserves panel space while delivering full three-phase protection. Application: Ideal for tight panels and space-constrained installations in manufacturing facilities and process lines.
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FAQs
NZMN1-A100 is designed for the NZM1 frame and uses a front-frame clamp mounting system. It is a three-pole unit rated at 100 A with a 690 VAC maximum, enabling straightforward retrofit or upgrade within standard industrial control panels. The compact dimensions (2.68 in depth, 3.54 in width, 5.71 in height) help maintain clean wiring and accessible terminations, reducing downtime during installation or maintenance.
The NZMN1-A100 provides a 50 kAIC short-circuit breaking capacity, ensuring safe interruption of high fault currents. It features a thermal-magnetic trip (T268) and an adjustable overload range of 80-100 A, allowing precise protection tailored to feeder and motor circuits. This combination supports reliable protection in demanding industrial environments while minimizing collateral damage during faults.
Yes, NZMN1-A100 is UL Listed. This certification indicates compliance with recognized safety standards for electrical protection devices, facilitating code approvals and vendor qualifications in North America. When designing a panel, UL Listing helps ensure that the breaker meets established safety criteria, simplifies procurement with a trusted standard, and supports faster commissioning.
This 100 A, three-pole NZMN1 frame breaker is ideal for distribution panels, machine control cabinets, and other industrial power protection points up to 690 VAC. Its front-frame clamp, rocker lever, and 80-100 A adjustable OL range make it versatile for settings where reliable overcurrent protection, space efficiency, and easy maintenance are valued in process lines and automation equipment.
Eaton provides a standard warranty policy (25-000), offering one year from the date of installation or eighteen months from shipment, whichever occurs first. This coverage supports replacement or remedial actions for manufacturing defects, giving procurement teams confidence in long-term reliability while enabling more predictable total cost of ownership in automation projects.