Eaton NZMN2-A250-NA NZM2 MCCB - 50 kAIC 690V/750Vdc
Part Number: NZMN2-A250-NA
Quick Summary
Eaton NZMN2-A250-NA is a complete molded case circuit breaker for reliable overcurrent protection in industrial power distribution. Engineers often contend with nuisance trips, wiring complexity, and motor-drive integration in panel assemblies; this model addresses those challenges with a rugged, front-access design. The NZM2 frame provides a three-pole architecture and a 50 kAIC interrupt rating, while the adjustable 200-250A OL protection and delayed 1500-2500A range support selective protection for motors and feeders. Certification specifics vary by region, so verify CE, UL, and local approvals in the Eaton datasheet. With straightforward installation, motor-drive compatibility, and a clear warranty path, it delivers steady protection alongside measurable uptime improvements.
Product Information
Extended Description
NZMN2-A250-NA Eaton: MCCB NZM, NZM2 TM and Elec. Breakers, Circuit Breaker, 200-250A OL Prot. Rng, Screw connection, front, Three-pole, 250A Perm. Current, 50 kA, 200-250A Set. Rng OL Prot., 1500-2500A Undelayed Adj. Rng., Rocker lever, motor drive optional
Product Name
Eaton Series NZM complete molded case circuit breaker
Catalog Number
NZMN2-A250-NA
EAN
4015082711061
Product Length/Depth
5.866 in
Product Height
4.134 in
Product Width
4.134 in
Product Weight
5.375 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
Contact Manufacturer
Amperage Rating
250 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
Adjustment range short-circuit release
1500-2500A delayed
Setting Range Ol Protector
200-250A
Short-circuit breaking capacity
50 kAIC
Interrupt rating
50 kAIC
Connection
Front screw
Overload range
200-250A
Number of poles
Three-pole
Feature → Business Impact → Application: The NZMN2-A250-NA delivers a 250 A amperage rating and a 50 kAIC short-circuit capability, enabling robust protection for heavy machinery and distribution panels while minimizing costly fault events in harsh industrial environments. This translates to reduced downtime and safer panel operation in manufacturing lines and process control rooms. Feature → Business Impact → Application: Front screw connection simplifies wiring within confined control panels, accelerates installation, and improves field serviceability, making it ideal for retrofit projects and new builds where space is at a premium. Feature → Business Impact → Application: The adjustable short-circuit release range of 1500-2500 A delayed supports selective coordination with upstream protections, decreasing nuisance trips and enabling smoother motor starts in pump stations and conveyors. Feature → Business Impact → Application: The three-pole NZM2 frame ensures compatibility with three-phase systems, delivering consistent protection across all phases in industrial automation, packaging lines, and power distribution centers. Feature → Business Impact → Application: Rocker lever and motor-drive accessories improve operator ergonomics and drive integration, reducing maintenance time and enabling quick, reliable manual control in high-demand environments. Feature → Business Impact → Application: The included warranty policy (Eaton 25-000) provides a clear service window, facilitating predictable maintenance planning and total cost of ownership reductions for OEMs and end users.
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FAQs
The unit uses front screw connections on a three-pole NZM2 frame, allowing straightforward wiring in compact panels and simplifying field-service work.
It provides a 50 kAIC interrupt rating with a short-circuit breaking capacity of 50 kAIC, suitable for demanding industrial protection in multi-motor and distribution applications.
Yes, it includes a motor-drive option and an adjustable delayed short-circuit release (1500-2500A), enabling selective coordination and reduced nuisance trips in motor-driven systems.
Certifications are region-specific; verify CE/UL listings and regional approvals in the Eaton datasheet, as the current entry notes 'Contact Manufacturer' for certifications.
Warranty follows Eaton policy 25-000: one year from installation or 18 months from shipment, whichever occurs first, with standard technical support from Eaton.