Eaton NZMB2-AF15-NA Molded Case Circuit Breaker - 25 kAIC
Part Number: NZMB2-AF15-NA
Quick Summary
The Eaton NZMB2-AF15-NA Molded Case Circuit Breaker protects distribution panels by interrupting fault currents. In tight control cabinets, you need a compact, reliable protection device that meets 15 A, 440 Vac and 25 kAIC ratings. Typical certifications to verify include CE, IP ratings, and SIL where applicable; confirm the exact status with Eaton. This solution aligns with distribution circuit protection strategies, delivering safety, uptime, and serviceability. Designed for industrial environments, it supports straightforward front-screw installation and scalable protection with NZM2 frame compatibility to optimize panel space and maintenance workflows.
Product Information
Extended Description
NZMB2-AF15-NA Eaton: Eaton Series NZM complete molded case circuit breaker, NZM2-frame, NZMB2, Fixed thermal, adjustable magnetic trip, 504-882A, Three-pole, 15A, 440 Vac, 25 kAIC, Distribution circuit protection, 15-15A, 350-350A delayed, Front screw, 15-15A
Product Name
Eaton Series NZM complete molded case circuit breaker
Catalog Number
NZMB2-AF15-NA
EAN
4015082691424
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
Amperage Rating
15 A
Voltage rating
440 Vac
Trip Type
T185
Circuit breaker type
NZMB2
Frame
NZM2
Class
Distribution circuit protection
Accessories
Rocker lever, motor drive
Adjustment range short-circuit release
350-350A delayed
Setting Range Ol Protector
15-15A
Short-circuit breaking capacity
25 kAIC
Interrupt rating
25 kAIC
Connection
Front screw
Overload range
15-15A
Number of poles
Three-pole
Trip rating
504-882 A
Feature → Business Impact → Application: Amperage rating of 15 A enables precise branch protection for small- to mid-size loads, reducing nuisance tripping and enabling energy-efficient circuits in process lines. This supports improved uptime, lower maintenance costs, and easier fault isolation in control cabinets. Feature → Business Impact → Application: 440 Vac voltage rating ensures compatibility with common industrial power supplies, enabling reliable protection across motor drives and distribution panels without voltage compatibility concerns. Feature → Business Impact → Application: 25 kAIC short-circuit breaking capacity provides high fault tolerance for industrial feeders, minimizing equipment damage and downtime during short-circuit events in machine cells. Feature → Business Impact → Application: Front screw connection simplifies field installation and service, reducing labor time and improving reliability in crowded panel enclosures. Feature → Business Impact → Application: NZM2 frame and three-pole design deliver scalable protection for motor control centers and distribution panels, aligning with standard industrial protection schemes and enabling straightforward modernization. Feature → Business Impact → Application: Fixed thermal and adjustable magnetic trip (T185) allow precise overload and short-circuit protection settings, supporting compliance with plant-wide protection strategies while maintaining low-total-cost-of-ownership. Feature → Business Impact → Application: Accessories like rocker lever and motor drive integration improve operator ergonomics and automation compatibility, helping users upgrade to more capable protection with minimal downtime. Warranty and serviceability considerations are addressed through Eaton’s policy, ensuring ongoing support and parts availability for NZMB2-AF15-NA deployments.
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FAQs
NZMB2-AF15-NA uses front screw terminals and a three-pole NZM2 frame, making panel mounting straightforward. Its 4.13 in width, 7.24 in height, and 4.05 in depth fit compact distribution cabinets while maintaining accessible wiring and easy serviceability. The unit supports front-access installation and compatible accessories like rocker levers for motor drive, simplifying upgrades.
This breaker is rated for 15 A at 440 Vac with a T185 trip type, and offers a 25 kAIC short-circuit breaking capacity and 25 kAIC interrupt rating. The overload protection setting range is 15-15 A, with the short-circuit release adjustable to 350 A (delayed). It is designed as a three-pole protection device for distribution applications.
Yes. The NZM2 frame, front connection, and three-pole construction make it suitable for motor control centers and general distribution panels, providing reliable fault interruption and straightforward maintenance. Accessories such as rocker levers and motor drive compatibility help integrate protection with motor starters and control schemes, supporting scalable modernization.
Verify the exact certification status with Eaton for your region. While CE and IP-related considerations are common in industrial equipment, confirm any specific SIL ratings or country-specific certifications applicable to your installation, and ensure the NZMB2-AF15-NA aligns with your plant’s safety and compliance requirements.
Warranty follows Eaton policy 25-000, providing one year from date of installation or eighteen months from date of shipment, whichever occurs first. Eaton offers ongoing support, spare parts, and technical documentation to assist with installation, maintenance, and lifecycle management of the NZMB2-AF15-NA in your protection scheme.