Eaton NZMN2-A125-NA NZM complete MCCB - 50 kAIC
Part Number: NZMN2-A125-NA
Quick Summary
Eaton NZMN2-A125-NA is a molded case circuit breaker designed for reliable distribution protection in industrial electrical panels. It helps engineers reduce nuisance trips and simplify panel wiring in compact switchgear environments. While detailed certification information requires confirmation from the manufacturer, this unit offers a robust 125 A rating with a 690 Vac / 750 Vdc capability and a 50 kAIC short-circuit rating, making it suitable for demanding applications. The NZM2 frame supports three-pole configurations with front screw connections, enabling straightforward installation and service. For procurement and maintenance teams, that translates to faster commissioning, easier field upgrades, and consistent protection across multi-panel systems, aligning with standard industrial practices and cost-efficient operation.
Product Information
Extended Description
NZMN2-A125-NA Eaton: Eaton Series NZM complete molded case circuit breaker, NZM2-frame, NZMN2, Thermal-magnetic trip, 750-1250A delayed trip rating, Three-pole, 125A, 690 Vac, 750 Vdc, 50 kAIC, Distribution circuit protection, 100-125A, Front screw, 100-125A
Product Name
Eaton Series NZM complete molded case circuit breaker
Catalog Number
NZMN2-A125-NA
EAN
4015082692254
Product Length/Depth
5.9 in
Product Height
7.7 in
Product Width
4.1 in
Product Weight
4.1 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
Amperage Rating
125 A
Voltage rating
690 Vac, 750 Vdc
Trip Type
T268
Circuit breaker type
NZMN2
Frame
NZM2
Class
Distribution circuit protection
Accessories
Rocker lever, motor drive
Setting Range Ol Protector
100-125A
Short-circuit breaking capacity
50 kAIC
Interrupt rating
50 kAIC
Connection
Front screw
Overload range
100-125A
Number of poles
Three-pole
Trip rating
750-1250 A delayed
Feature → Business Impact → Application: The NZMN2-A125-NA uses a thermal-magnetic trip (T268) to deliver precise fault protection, reducing equipment damage and unplanned downtime in high-demand processes. This results in improved system availability and lower maintenance costs for manufacturing lines and process control panels. Application: industrial machinery and distribution panels requiring dependable fault isolation and fast response times. Feature → Business Impact → Application: 125 A amperage rating combined with a 690 Vac / 750 Vdc voltage rating ensures compatibility with common industrial power networks, enabling seamless integration in new builds and refurbishments. Application: mid-size electrical distribution in assembly lines and packaging facilities. Feature → Business Impact → Application: 50 kAIC short-circuit capacity provides strong protection against high-energy faults, reducing the risk of cascading failures and safeguarding motors and drives. Application: power distribution panels in heavy equipment and machine centers. Feature → Business Impact → Application: NZM2 frame and three-pole configuration offer scalable protection for multi-rack switchgear, enabling standardized protection across multiple feeders. Application: centralized control cabinets and process automation panels. Feature → Business Impact → Application: Front screw terminals simplify wiring and field mounting, accelerating installation and future maintenance. Application: retrofit projects and new installations with limited access spaces. Feature → Business Impact → Application: Integrated accessories such as rocker lever and motor drive compatibility enhance operator control and remote signaling options. Application: motor-driven equipment and automated lines requiring intuitive operation and upgrade paths. This combination of ratings and form factor supports compliance in distribution circuits while delivering measurable gains in uptime and energy management.
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FAQs
Install the NZMN2-A125-NA in a suitable distribution panel using the front screw terminals. It uses the NZM2 frame and a three-pole configuration for streamlined wiring and consistent protection across feeders. Ensure the panel space accommodates the device dimensions: approximately 5.9 in depth, 7.7 in height, and 4.1 in width. Follow manufacturer installation guidelines for torque settings and accessory compatibility.
The unit is rated for 50 kAIC short-circuit capability, with a voltage rating of 690 Vac and 750 Vdc. The thermal-magnetic trip (T268) provides reliable fault clearance, helping protect downstream equipment such as motors and drives from high-energy faults and minimizing cascading failures in distribution panels.
Yes. With a 125 A rating, three-pole configuration, 690 Vac / 750 Vdc capability, and a robust 50 kAIC rating, this MCCB is well-suited for distribution panels in manufacturing, process control, and automation environments. Front screw terminations and available accessories like rocker levers enhance installation efficiency and operator control during maintenance.
Certification details are provided by the manufacturer. The data here notes 'Compliances: Contact Manufacturer', so consult Eaton’s specification sheet NZMN2-A125-NA for definitive certification information, including any regional regulatory marks or standards applicable to your installation.
Warranty is per Eaton Selling Policy 25-000: one year from the date of installation or eighteen months from the date of shipment, whichever occurs first. This coverage supports startup reliability and ongoing field service needs during the initial deployment of the panel protection system.