Eaton NZMN2-AF25-NA MCCB - UL Listed 50 kAIC 690V
Part Number: NZMN2-AF25-NA
Quick Summary
The NZMN2-AF25-NA molded case circuit breaker from Eaton provides reliable distribution protection in industrial control panels. Engineers often grapple with achieving selective tripping while keeping panel space and wiring complexity under control. UL Listed certification supports safety and compliance, and the device is rated for 690 Vac and 750 Vdc with a 50 kAIC interrupt rating. Its three-pole NZM2 frame with front-screw terminals and available rocker lever or motor-drive accessories enables quicker installation and easier maintenance. Together, these features reduce project risk and lifecycle costs for panel builders and OEMs working in demanding industrial environments. This combination also supports standard protection coordination and compatibility with common motor-control configurations.
Product Information
Extended Description
NZMN2-AF25-NA Eaton: Eaton Series NZM complete molded case circuit breaker, NZM2-frame, NZMN2, Thermal-magnetic trip, Three-pole, 25A, 690 Vac, 750 Vdc, 50 kAIC, Distribution circuit protection, 25-25A, 350-350A delayed, Front screw, 25-25A
Product Name
Eaton Series NZM complete molded case circuit breaker
Catalog Number
NZMN2-AF25-NA
EAN
4015082691721
Product Length/Depth
4.05 in
Product Height
7.24 in
Product Width
4.13 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
Certifications
UL Listed
Amperage Rating
25 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
350-350A delayed
Setting Range Ol Protector
25-25A
Short-circuit breaking capacity
50 kAIC
Interrupt rating
50 kAIC
Connection
Front screw
Overload range
25-25A
Number of poles
Three-pole
Feature: 25 A Amperage Rating with 690 Vac / 750 Vdc voltage rating → Business Impact: Precise, scalable protection for distribution circuits, reducing nuisance trips and enabling reliable panel operation. Application: Industrial control panels in manufacturing environments. Long-tail keywords: molded case circuit breaker, MCCB 25 A, 690 Vac, distribution protection. Feature: 50 kAIC short-circuit breaking capacity → Business Impact: Higher fault-current withstand improves system safety and downtime protection. Application: Main feeders and MCCB protection in panels with elevated fault currents. Feature: Three-pole NZM2 frame → Business Impact: Balanced phase protection and compact footprint, simplifying installation in space-constrained enclosures. Application: Motor control centers and panel boards. Feature: Thermal-magnetic trip (T268) → Business Impact: Fast, reliable fault interruption with coordination for upstream devices. Application: Protective relaying in distribution networks. Feature: Front screw connection with optional accessories (rocker lever, motor drive) → Business Impact: Faster installation, easier maintenance, and flexible panel integration. Application: Retrofit projects and new builds. Feature: Setting range 25-25A and delayed OL protection (350-350A) → Business Impact: Precise overload protection and coordinated protection curves. Application: Customizable protection schemes for diverse loads. Feature: UL Listed certification → Business Impact: Regulatory compliance and market acceptance across North American facilities. Application: Safety-critical industry deployments.
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FAQs
For front-screw NZMN2-AF25-NA installations, ensure panel clearance for three-pole assembly and wiring access to the front terminals. Use the NZM2 frame with appropriate mounting hardware, follow torque specifications in Eaton datasheets, and utilize the available accessories such as the rocker lever or motor drive to simplify operation and maintenance within distribution panels.
A 50 kAIC short-circuit rating means the breaker can safely interrupt high fault currents without mechanical damage or welding contacts. This improves protection for upstream equipment and reduces the risk of arc flash incidents. It also supports safer coordination with upstream protective devices in high-current industrial networks.
Yes. The NZMN2-AF25-NA is rated for 690 Vac and 750 Vdc, making it compatible with both AC distribution panels and DC applications common in industrial environments. Its thermal-magnetic trip and 25 A setting provide precise overload and short-circuit protection for diverse loads.
Industries with demanding panel protection needs, such as manufacturing, process automation, and power distribution, benefit from the NZMN2-AF25-NA. It’s well-suited for motor control centers, panel boards, and distribution boards requiring reliable three-pole protection, front-screw installation, and UL Listed safety certification.
The device operates under Eaton’s Selling Policy 25-000 warranty: one year from installation or 18 months from shipment, whichever occurs first. In addition to standard warranty, Eaton provides datasheets and specification sheets to support compliant installation and ongoing maintenance.