Eaton NZMN1-A25 NZM Molded Case Breaker - 50 kAIC
Part Number: NZMN1-A25
Quick Summary
The Eaton NZMN1-A25 molded case circuit breaker provides reliable protection for distribution panels in industrial environments. Engineers frequently contend with nuisance trips and insufficient fault-clearing performance in high-demand control panels, driving unplanned downtime. UL Listed safety certification supports compliance, while the device offers a 690 Vac / 500 Vdc rating and 50 kAIC interrupt capability for demanding applications. Its compact NZM1 frame, front frame clamp, and 25 A setting range help streamline installation and improve panel density, delivering measurable business value. This product also aligns with industry maintenance practices, supporting easy replacement and spare parts availability across Eaton's NZM1 family, ensuring long-term protection and uptime in critical processes.
Product Information
Extended Description
NZMN1-A25 Eaton: Eaton Series NZM complete molded case circuit breaker, NZM1-frame, NZMN1, Thermal-magnetic trip, 350A trip rating, Three-pole, 25A, 690 Vac, 500 Vdc, 50 kAIC, Distribution circuit protection, Rocker lever, 20-25A, Front frame clamp, 20-25A
Product Name
Eaton Series NZM complete molded case circuit breaker
Catalog Number
NZMN1-A25
EAN
4015082812324
Product Length/Depth
2.68 in
Product Height
5.71 in
Product Width
3.54 in
Product Weight
3.5 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.
Certifications
UL Listed
Amperage Rating
25 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
20-25A
Short-circuit breaking capacity
50 kAIC
Interrupt rating
50 kAIC
Connection
Front frame clamp
Overload range
20-25A
Number of poles
Three-pole
Trip rating
350 A
Eaton Specification Sheet - NZMN1-A25
Selling Policy 25-000 - Distribution and Control Products and Services
Feature: Thermal-magnetic trip with a 350 A trip rating provides fast fault clearance and protects downstream equipment. Business Impact: Reduces downtime and equipment damage, enabling safer continuous operation. Application: Suitable for distribution circuits in 690 Vac / 500 Vdc systems where high fault currents are possible. Feature: 50 kAIC short-circuit breaking capacity and 50 kAIC interrupt rating offer robust protection against high-energy faults. Business Impact: Improves system resilience and safety margins in industrial plants. Application: Ideal for machine controls and panels with heavy demand and limited space. Feature: Three-pole NZMN1 frame with front frame clamp and 20-25 A setting range including a rocker lever accessory. Business Impact: Simplifies mounting, faster commissioning, and easier field maintenance. Application: Common in compact control panels requiring reliable three-phase protection. Feature: UL Listed with a 25 A rated load and 690 Vac / 500 Vdc capability. Business Impact: Ensures regulatory compliance and consistent performance across diverse applications. Application: Widely used in distribution protection schemes to meet safety and reliability targets.
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FAQs
NZMN1-A25 uses a front frame clamp connection on the NZM1 frame, enabling straightforward installation in compact distribution panels. Ensure correct alignment with the panel cutout, verify three-pole mounting, and confirm the rocker lever accessory is in place for user-friendly operation. Follow manufacturer torque and seating guidelines as outlined in the Eaton datasheet for secure, reliable mounting.
The device provides a 25 A amperage rating, 690 Vac and 500 Vdc voltage ratings, a 50 kAIC short-circuit breaking capacity and an interrupt rating of 50 kAIC. It employs a thermal-magnetic trip with type T268, is built on the NZMN1 circuit breaker family, and is designed for three-pole protection with front-frame connection.
Yes. NZMN1-A25 is designed for distribution-level protection in industrial environments, offering three-pole protection, a 25 A rating, and a high 50 kAIC interrupt capability at 690 Vac. Its rugged construction and UL Listed certification support reliable operation in demanding panel systems and process controls.
NZMN1-A25 carries UL Listed certification, confirming adherence to recognized safety standards for electrical protection devices. This certification supports regulatory compliance in many markets and simplifies procurement for panel builders seeking qualified components for standardized control and distribution assemblies.
The product is covered under Eaton’s warranty policy 25-000, offering one year from installation or eighteen months from shipment, whichever occurs first. This warranty supports maintenance planning and reduces total cost of ownership, while Eaton’s technical support provides guidance on installation, replacement parts, and field service considerations.