Eaton NZMH2-A25-NA Molded Case Circuit Breaker - UL Listed
Part Number: NZMH2-A25-NA
Quick Summary
Eaton NZMH2-A25-NA is a three-pole molded case circuit breaker used to protect distribution circuits in industrial power systems. The challenge of nuisance trips and mis-timed protection is common when guarding feeders and motors; this unit offers adjustable thermal and magnetic trips to tailor protection precisely. UL Listed certification supports safety and compatibility for North American panels, while the NZM2 frame and 25 A rating deliver compact, scalable protection for evolving electrical rooms. By combining reliable protection with straightforward installation, this breaker helps improve panel density, reduce wiring complexity, and support predictable maintenance in automation and manufacturing environments.
Product Information
Extended Description
NZMH2-A25-NA Eaton: Eaton Series NZM complete molded case circuit breaker, NZM2-frame, NZMH2, adj. thermal, adj. magnetic trip, Three-pole, 25A, 690 Vac, 750 Vdc, 85-150 kAIC, Distribution circuit protection, 20-25A, 350-350A delayed, Front screw, 20-25A
Product Name
Eaton Series NZM complete molded case circuit breaker
Catalog Number
NZMH2-A25-NA
EAN
4015082692292
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
Certifications
UL Listed
Amperage Rating
25 A
Voltage rating
690 Vac, 750 Vdc
Trip Type
Adjustable thermal, adjustable magnetic
Circuit breaker type
NZMH2
Frame
NZM2
Class
Distribution circuit protection
Accessories
Rocker lever, motor drive
Adjustment range short-circuit release
350-350A delayed
Setting Range Ol Protector
20-25A
Short-circuit breaking capacity
150 kAIC
Interrupt rating
85-150 kAIC
Connection
Front screw
Overload range
20-25A
Number of poles
Three-pole
Feature: Three-pole NZMH2 with NZM2 frame. Business Impact: Provides robust three-phase protection, reducing fault propagation and equipment damage in automated lines. Application: Main feeders and distribution panels in industrial facilities. Feature: Adjustable thermal and magnetic trip. Business Impact: Delivers precise overload protection and selective tripping, minimizing unnecessary outages and extending equipment life. Application: Motors, drives, and energy-intensive loads in manufacturing. Feature: 25 A amperage rating with high fault current capability. Business Impact: Enables safe protection at typical industrial feeder currents while tolerating inrush events, reducing downtime during faults. Application: Panel boards and sub-feed protections in automation cabinets. Feature: Voltage rating of 690 Vac / 750 Vdc and short-circuit rating up to 150 kAIC. Business Impact: Supports both AC and DC distribution with strong fault-current handling, improving system reliability. Application: Power distribution near drives and DC buses. Feature: Front screw connection and compact NZM2 frame (4.05 in L, 7.24 in H, 4.13 in W, 4.1 lb). Business Impact: Facilitates fast, secure installation and easier retrofits in crowded panels. Application: Installation in standard storefront and equipment enclosures. Feature: Accessories including rocker lever and motor drive option. Business Impact: Improves operability and control integration, reducing setup time and enabling remote or automated control. Application: Motor control centers and protective relays integration. Feature: Warranty aligned with Eaton policies (one year from installation or 18 months from shipment). Business Impact: Predictable maintenance planning and lower total cost of ownership. Application: Field deployments across industrial facilities needing reliable, supported protection.
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FAQs
Yes. The NZMH2-A25-NA uses the NZM2 frame and front screw connection, enabling straightforward retrofits into standard NZM2-based panels. It supports three-pole protection at 25 A and is compatible with common distribution circuit layouts in industrial cabinets.
Key specs include a 25 A amperage rating, 690 Vac / 750 Vdc voltage rating, adjustable thermal and magnetic trip, and a short-circuit breaking capacity of 150 kAIC with an 85-150 kAIC interrupt range. It is built on the NZM2 frame and is UL Listed for North American use.
Yes, with adjustable thermal and magnetic trip settings and a three-pole configuration, the NZMH2-A25-NA is well-suited to protect motors and drives in automation lines. The front screw terminations and optional motor drive accessory simplify integration into motor control architectures.
The NZMH2-A25-NA is UL Listed, providing recognized safety certification for use in North American electrical installations. This supports compliance when integrated into standard electrical panels and distribution systems.
Eaton offers a one-year warranty from installation or eighteen months from shipment, whichever occurs first. This policy assists with maintenance planning and provides assurance for long-term performance in critical distribution applications.