Eaton NZMN1-AF125-NA Molded Case Breaker - 50 kAIC
Part Number: NZMN1-AF125-NA
Quick Summary
NZMN1-AF125-NA molded case circuit breaker by Eaton provides primary protection for distribution power networks in industrial plants. This compact solution helps minimize unplanned downtime by quickly interrupting fault currents and preventing cascading equipment damage. While meets high fault-current demands, evaluation with the manufacturer is recommended to confirm certifications and regulatory compliance. Note that compliance details are listed as 'Contact Manufacturer' in the data, so verify CE, SIL, or IP ratings with Eaton for your specific application. For ongoing continuity, this unit integrates with NZM1 frames and offers reliable protection, cost-effective maintenance, and scalable protection for industrial distribution and motor feeder circuits.
Product Information
Extended Description
NZMN1-AF125-NA Eaton: Eaton Series NZM complete molded case circuit breaker, NZM1-frame, NZMN1, Thermal-magnetic trip, 750-1250A delayed, Three-pole, 125A, 690 Vac, 500 Vdc, 50 kAIC, Distribution circuit protection, 125-125A, Front frame clamp, 125-125A
Product Name
Eaton Series NZM complete molded case circuit breaker
Catalog Number
NZMN1-AF125-NA
EAN
4015082815691
Product Length/Depth
4.72 in
Product Height
3.32 in
Product Width
3.32 in
Product Weight
3 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, 500 Vdc
Trip Type
T268
Circuit breaker type
NZMN1
Frame
NZM1
Class
Distribution circuit protection
Accessories
Rocker lever
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
Feature → Business Impact → Application: 125 A amperage rating with 690 Vac and 500 Vdc voltage ratings and a 50 kAIC interrupt capacity delivers precise overload and short-circuit protection, reducing fuse or breaker trips and extending equipment life in harsh industrial environments. This directly improves uptime in assembly lines and process controls where stable power is critical. Application: distribution panels in manufacturing facilities and process plants requiring robust, easily maintained protection for feeders. Feature → Business Impact → Application: Thermal-magnetic trip (T268) provides fast, selective fault clearing and arc-fault mitigation, lowering the risk of collateral damage and enabling predictable maintenance cycles. Application: motor control centers and panelboards where overload protection must align with motor inrush and startup characteristics. Feature → Business Impact → Application: Front frame clamp connection and NZM1 frame compatibility simplify installation and retrofit projects, reducing commissioning time and panel modification costs. Application: upgrading legacy gear or expanding protection in compact control panels without heavy rewiring. Feature → Business Impact → Application: Three-pole configuration with 125 A rating supports balanced three-phase distribution, improving protection coordination and reducing nuisance trips in multi-branch feeders. Application: industrial power distribution and process lines requiring reliable three-phase interrupt protection. Feature → Business Impact → Application: Accessories such as rocker lever and adjustable setting range (125-125 A) provide customization for precise protection schemes, improving configuration accuracy and compliance. Application: retrofit projects and new panel builds where exact protection settings are mandated by electrical standards. Feature → Business Impact → Application: 50 kAIC short-circuit capability and 125-125 A overload range enable resilience against high fault currents common in factory environments, delivering long service life and lower total cost of ownership. Application: data centers, packaging lines, and heavy manufacturing floors where reliability matters most.
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FAQs
Yes. NZMN1-AF125-NA is designed for the NZM1 frame family and uses a front-frame clamp connection, enabling straightforward installation in compatible panels. Verify panel clearance and mounting hardware during retrofit projects to ensure a snug, secure fit and reliable fault interruption in three-pole configurations.
This unit excels in industrial distribution and motor feeder protection. Its 125 A rating with 690 Vac and 50 kAIC interrupt capacity makes it suitable for manufacturing lines, packaging machines, and process control panels where reliable overload and short-circuit protection are essential to maximize uptime and minimize equipment damage.
Key ratings include 125 A, 690 Vac, 500 Vdc, and a 50 kAIC short-circuit capacity. The trip type is T268, with a three-pole configuration in the NZMN1 frame. These specs support precise coordination with upstream protection devices and ensure rapid fault isolation in three-phase systems.
Warranty follows Eaton policy 25-000, offering one year from installation or 18 months from shipment, whichever occurs first. Compliance status is listed as 'Contact Manufacturer' for CE/SIL/IP certifications, so confirm the exact certifications for your region and application directly with Eaton before deployment.
Consider front-frame mounting for quick retrofits, ensuring panel space and clamp hardware support a secure fit. With a 3 lb weight and rocker lever accessory, installation is streamlined and serviceability is improved. Coordinating settings (125-125 A) minimizes nuisance trips, reducing downtime and extending the life of downstream equipment.