Eaton NZMN1-AF50-NA Molded Case Breaker - UL Listed
Part Number: NZMN1-AF50-NA
Quick Summary
NZMN1-AF50-NA molded case circuit breaker protects electrical distribution systems in industrial facilities. A dependable, fast-acting protection device is essential to minimize downtime and equipment damage during overloads and faults. UL Listed certification supports safety compliance in North American panels while the 690 Vac and 500 Vdc ratings accommodate diverse motor and power feeds. Designed around the NZM1 frame, with a front-frame clamp, it fits compact switchgear without compromising protection. With a 50 A rating and 50 kAIC short-circuit capacity, the unit scales to mid-size distribution networks and helps reduce maintenance costs. Engineered for repeatable trip characteristics, it supports predictable protection in demanding environments. This combination simplifies panel design and maintenance planning for engineers.
Product Information
Extended Description
NZMN1-AF50-NA Eaton: Eaton Series NZM complete molded case circuit breaker, NZM1-frame, NZMN1, Thermal-magnetic trip, 300-500A trip rating, Three-pole, 50 A, 690 Vac, 500 Vdc, 50 kAIC, Distribution circuit protection, 50-50A, Front frame clamp, 50-50 A
Product Name
Eaton Series NZM complete molded case circuit breaker
Catalog Number
NZMN1-AF50-NA
EAN
4015082742317
Product Length/Depth
2.68 in
Product Height
4 in
Product Width
3.54 in
Product Weight
2.45 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
50 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
50-50A
Short-circuit breaking capacity
50 kAIC
Interrupt rating
50 kAIC
Connection
Front frame clamp
Overload range
50-50A
Number of poles
Three-pole
Trip rating
300-500 A
Compact circuit-breakers and switch-disconnectors up to 1600 A
Eaton Specification Sheet - NZMN1-AF50-NA
Feature: 50 A amperage rating with a 690 Vac / 500 Vdc voltage rating. Business impact: protects feeders and motor circuits while minimizing nuisance trips, boosting uptime and reducing energy waste. Application: ideal for distribution panels and mixed AC/DC feeds in industrial facilities. Feature: 50 kAIC short-circuit capacity and T268 trip type provide rapid, repeatable interruption during faults. Business impact: reduces arc energy exposure, protects feeders and downstream equipment, and supports safe maintenance windows. Application: motor control centers, feeders, and panelboards in manufacturing and process environments. Feature: Three-pole NZMN1 frame with front-frame clamp enables straightforward installation in tight panels. Business impact: speeds commissioning, ensures solid mechanical mounting, and maintains consistent trip characteristics across units. Application: new panel builds and retrofit projects in industrial cabinets. Feature: Rocker lever accessory and a fixed 50-50 A setting range simplify operation and protection tuning. Business impact: lowers commissioning time, reduces operator error, and aligns protection to equipment loads. Application: general distribution protection and motor overload protection in process lines. Feature: UL Listed certification supports safety compliance; compact dimensions and a light footprint simplify integration in crowded enclosures. Warranty: Eaton policy 25-000 offers one year from installation or 18 months from shipment. Application: reliable, supported protection across mid-size industrial facilities. Feature: Compact footprint and lightweight design support flexible panel layouts: 2.68 in depth, 3.54 in width, 4 in height; 2.45 lb weight. Business impact: facilitates installation in space-constrained switchgear and reduces thermal rise. Application: retrofit projects and new builds where space is at a premium. Feature: NZM1 frame compatibility ensures upgrade paths and consistent protection characteristics across Eaton’s modular protection lineup. Business impact: simplifies spare part strategy and maintenance planning. Application: retrofit and standardization across existing panels.
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FAQs
The NZMN1-AF50-NA supports 50 A feeders and motor circuits in distribution panels and control cabinets. Its three-pole NZMN1 frame and front-frame clamp enable secure mounting, while the 690 Vac / 500 Vdc ratings accommodate mixed AC/DC feeds common in industrial facilities. Upstream coordination with 50 kAIC fault capacity helps protect downstream equipment during faults.
Key specs include a 50 A amperage rating, voltage ratings of 690 Vac and 500 Vdc, a trip type of T268, a three-pole configuration, and a short-circuit/interruption capacity of 50 kAIC. It uses the NZM1 frame with front-frame clamp and provides 50-50 A setting range for OL protection, suitable for distribution protection and motor feeders.
Yes, NZMN1-AF50-NA is UL Listed, indicating it meets recognized safety standards for electrical protection devices in North American installations. This supports regulatory compliance and streamlined procurement, though regional approvals may vary; consult the datasheet for regional equivalents and installation guidelines.
Install using the front-frame clamp for secure mounting within compact switchgear. The unit weighs approximately 2.45 lb and measures about 2.68 in deep, 3.54 in wide, and 4 in high, aiding layout planning in restricted enclosures. The rocker lever provides easy operation, and the 50-50 A OL setting ensures protection is aligned with system load.
Warranty follows Eaton policy 25-000, offering one year from installation or eighteen months from shipment, whichever occurs first. Technical support is available through Eaton, and the datasheet and specification sheet provide detailed installation, rating, and compatibility information to support procurement and maintenance planning.