Eaton NZMN2-AF125-BT-NA Molded Case Circuit Breaker - 50 kAIC
Part Number: NZMN2-AF125-BT-NA
Quick Summary
Eaton NZMN2-AF125-BT-NA is a complete molded case circuit breaker designed for distribution panels in industrial facilities. Engineers often confront nuisance trips and complex field wiring during commissioning, which can drive unexpected downtime and project delays. Common certifications for modern MCCBs include CE marking and IP ratings for enclosure protection; SIL ratings are application-specific. This model delivers reliable protection with straightforward installation, aligning with efficiency goals and regulatory compliance while supporting scalable distribution protection strategies and reduced total cost of ownership.
Product Information
Extended Description
NZMN2-AF125-BT-NA Eaton: Eaton Series NZM complete molded case circuit breaker, NZM2-frame, NZMN2, Thermal-magnetic trip, 750-1250A delayed, Three-pole, 125A, 690 Vac, 750 Vdc, 50 kAIC, Box, Distribution circuit protection, 125-125A, Front frame clamp, 125-125A
Product Name
Eaton Series NZM complete molded case circuit breaker
Catalog Number
NZMN2-AF125-BT-NA
EAN
4015081073115
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
Terminals
Box
Frame
NZM2
Class
Distribution circuit protection
Accessories
Rocker lever, motor drive
Setting Range Ol Protector
125-125A
Short-circuit breaking capacity
50 kAIC
Interrupt rating
50 kAIC
Connection
Front frame clamp
Overload range
125-125A
Number of poles
Three-pole
Trip rating
750-1250 A delayed
125 A rated device with 690 Vac and 750 Vdc capability provides flexible protection across diverse industrial networks, delivering a 50 kAIC short-circuit capacity to minimize fault propagation in panels and motor control centers. Feature → Business Impact → Application: The high interrupt rating translates to improved safety margins and reduced downtime during fault events in manufacturing lines, while enabling compliant coordination with downstream protection. Feature → Application: Three-pole NZMN2 frame supports standard distribution boards and motor starters, with front frame clamp terminals enabling rapid, secure wiring and easier field service. Feature → Business Impact → Application: The box terminals and NZM2 frame simplify installation in tight spaces and new builds, lowering labor costs and accelerating commissioning for panel builders. Feature → Application: Thermal-magnetic trip (T268) provides precise overload and short-circuit protection, reducing nuisance trips and extending equipment life in high-demand environments. Feature → Business Impact → Application: Accessories like rocker lever and motor drive compatibility expand retrofit options and uptime, supporting scalable automation projects and lower lifecycle costs.
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FAQs
Installers should plan for the 4.1 in width, 5.9 in depth, and 7.7 in height footprint. Use the front frame clamp for secure, quick connections and ensure compatibility with NZM2 frame enclosures and box terminals. The device supports rocker lever accessories and motor drive options for retrofit flexibility.
The NZMN2-AF125-BT-NA provides a 125 A amperage rating, voltages of 690 Vac and 750 Vdc, and a short-circuit breaking capacity of 50 kAIC. It is a three-pole device with a T268 trip type and is designed for distribution protection in industrial systems.
Yes. With its NZMN2 frame, three-pole configuration, 125 A rating, and 50 kAIC interrupt capacity, it is well-suited for motor control centers and distribution panels requiring reliable overcurrent protection and straightforward installation.
Certification specifics should be confirmed with Eaton directly. Typical MCCBs in the NZM2 family align with common industry standards, while final CE/IP/SIL applicability depends on the application and regional requirements.
Warranty follows Eaton policy 25-000: one year from installation or eighteen months from shipment, whichever occurs first. For field support, refer to Eaton’s technical service and distributor channels for spare parts and compatibility guidance.