Eaton NZMB1-AF80-NA Molded Case Circuit Breaker - 25 kAIC
Part Number: NZMB1-AF80-NA
Quick Summary
NZMB1-AF80-NA molded case circuit breaker protects distribution panels with reliable thermal-magnetic trip protection. This unit reduces downtime by delivering predictable protection settings and straightforward front-frame mounting that installers can trust. Formal certifications such as CE, SIL, or IP are not listed in the data; confirm with Eaton to meet specific regulatory requirements. With an 80 A rating, 480 Vac operation, and 25 kAIC interrupt capacity, it supports scalable, compliant distribution protection in industrial environments, while the NZM1 frame and rocker lever streamline maintenance. This combination provides strong business value by improving protective reliability and simplifying field service for panel builders and automation engineers.
Product Information
Extended Description
NZMB1-AF80-NA Eaton: Eaton Series NZM complete molded case circuit breaker, NZM1-frame, NZMB1, Thermal-magnetic trip type, 480-800A trip rating, Three-pole, 80A, 480 Vac, 25 kAIC, Distribution circuit protection, Rocker lever, 80-80A, Front frame clamp, 80-80A
Product Name
Eaton Series NZM complete molded case circuit breaker
Catalog Number
NZMB1-AF80-NA
EAN
4015082722500
Product Length/Depth
2.68 in
Product Height
5.71 in
Product Width
3.54 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
80 A
Voltage rating
480 Vac
Trip Type
T268
Circuit breaker type
NZMB1
Frame
NZM1
Class
Distribution circuit protection
Accessories
Rocker lever
Setting Range Ol Protector
80-80A
Short-circuit breaking capacity
25 kAIC
Interrupt rating
25 kAIC
Connection
Front frame clamp
Overload range
80-80A
Number of poles
Three-pole
Trip rating
480-800 A
Feature: Thermal-magnetic trip protection provides fast fault clearance and reliable protection for distribution circuits. Business Impact: Minimizes equipment damage and downtime while maintaining safe operation, enabling higher line availability in manufacturing cells. Application: Ideal for 80 A feeders in 480 Vac industrial panels using the NZMB1-AF80-NA in three-pole configurations. Feature: NZMB1 frame with front-frame clamp connection ensures secure mechanical mounting. Business Impact: Reduces installation time and improves panel compactness, lowering labor costs and field adjustments. Application: Suitable for retrofit projects and new builds in control panels where space is at a premium. Feature: 25 kAIC short-circuit rating supports robust protection against high fault currents. Business Impact: Enhances system resilience and extends asset life by containing fault energy, reducing downstream damage. Application: Critical for distribution circuits in high-energy industrial environments. Feature: Rocker lever and clear front access for operation and testing. Business Impact: Simplifies manual operation, troubleshooting, and periodic maintenance checks, improving technician efficiency. Application: Helpful in busy MCCs and switchgear assemblies with frequent status checks. Feature: 80 A setting range and 480 Vac voltage rating align with common industrial distribution needs. Business Impact: Enables precise coordination with upstream protection and downstream devices, optimizing selective coordination. Application: Suitable for machine lines and automation panels requiring dependable overcurrent protection. Feature: NZM1 frame compatibility ensures seamless integration with existing Eaton protections. Business Impact: Reduces spare part needs and simplifies stocking by leveraging familiar frame families. Application: Ideal for facilities already using NZM1-based devices and Eaton protection schemes.
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FAQs
For 480 Vac 60 Hz installations, mount the NZMB1-AF80-NA using the front-frame clamp for secure panel fitment. Ensure three-pole wiring and proper torque on connection points. The rocker lever provides easy operation, and the NZM1 frame compatibility helps integrate with existing Eaton protection schemes, reducing retrofit complexity.
Key specs include an 80 A amperage rating, 480 Vac voltage rating, and a short-circuit/interrupt rating of 25 kAIC. It is a three-pole NZMB1 device in the NZM1 frame, with thermal-magnetic trip type (T268) and an 80-80 A overload setting range, suitable for distribution circuit protection.
Yes. Designed for distribution circuit protection in industrial panels, it offers reliable thermal-magnetic protection, a robust 25 kAIC interrupt rating, and compatibility with front-frame clamp installations. Its three-pole construction supports balanced protection across phases, making it well-suited for panel boards, MCCs, and machine lines.
The provided data shows Compliances as 'Contact Manufacturer,' so official certification details (such as CE or IP) should be confirmed with Eaton. For projects requiring specific regulatory approvals, obtain written confirmation from Eaton prior to procurement to ensure alignment with your compliance requirements.
The device offers predictable protection with straightforward maintenance thanks to a user-friendly rocker lever and front-frame access. The NZM1 frame compatibility reduces spare-part diversity, improving stocking and serviceability. Its high short-circuit rating and reliable trip performance help minimize downstream damage and downtime, delivering tangible uptime and maintenance cost savings.