Eaton NZMH2-AF25-BT-NA Molded Case Breaker - UL Listed
Part Number: NZMH2-AF25-BT-NA
Quick Summary
NZMH2-AF25-BT-NA molded case breaker protects industrial distribution circuits with adjustable thermal and fixed magnetic trip. This design addresses nuisance trips during startup surges by using tailored protection settings. UL Listed certification supports safe, compliant installations, with the rugged NZM2 frame delivering consistent performance in demanding environments. Its compact footprint, 25 A rating, and operation up to 690 Vac or 750 Vdc enable straightforward integration into modern distribution panels. Front frame clamp terminals, along with optional rocker lever and motor drive accessories, speed installation and simplify maintenance for panel builders and technicians.
Product Information
Extended Description
NZMH2-AF25-BT-NA Eaton: Eaton Series NZM complete molded case circuit breaker, NZM2-frame, NZMH2, Adj. thermal, fixed magnetic trip, Three-pole, 25A, 690 Vac, 750 Vdc, 85-150 kAIC, Box, Distribution circuit protect., 25-25A, Front frame clamp, 25-25A
Product Name
Eaton Series NZM complete molded case circuit breaker
Catalog Number
NZMH2-AF25-BT-NA
EAN
4015081074587
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, fixed magnetic
Circuit breaker type
NZMH2
Terminals
Box
Frame
NZM2
Class
Distribution circuit protection
Accessories
Rocker lever, motor drive
Adjustment range short-circuit release
350-350A delayed
Setting Range Ol Protector
25-25A
Short-circuit breaking capacity
150 kAIC
Interrupt rating
85-150 kAIC
Connection
Front frame clamp
Overload range
25-25A
Number of poles
Three-pole
Feature: Adjustable thermal trip with selectable settings. Business Impact: Reduces nuisance trips during startup and peak loads, enabling smoother equipment startup and extended motor life. Application: Industrial control panels and machine feeders benefit from stable protection without unwarranted shutdowns. Feature: Fixed magnetic trip for rapid fault interruption. Business Impact: Limits damage and downtime by delivering fast response to short-circuit events, improving overall system reliability. Application: High-demand conveyors and presses in manufacturing lines require dependable fault clearing. Feature: 25 A, 690 Vac / 750 Vdc rating. Business Impact: Enables versatile use across AC and DC distribution networks while maintaining compliance with modern panel standards. Application: Panelboard protection in mixed-voltage environments. Feature: Front frame clamp terminals for easy installation. Business Impact: Reduces field wiring time and improves serviceability, cutting commissioning costs. Application: New installations and retrofits in compact enclosures benefit from quick, secure connections. Feature: Accessories including rocker lever and motor drive. Business Impact: Enhances control and tuning options, enabling seamless integration with motor control schemes. Application: OEMs and integrators can tailor protection to specific machines and processes. Feature: High short-circuit capability (150 kAIC). Business Impact: Builds resilience against large fault currents, lowering the risk of collateral damage. Application: Heavy-duty distribution circuits and switchgear assemblies. Feature: NZM2 frame compatibility. Business Impact: Ensures broad compatibility with Eaton’s family of protection devices, simplifying spare parts management. Application: System architects seeking standardized protection across multiple panels.
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FAQs
NZMH2-AF25-BT-NA uses the NZM2 frame and front frame clamp terminals, enabling straightforward mounting in Eaton-compatible panels. It supports three-pole configuration, 25 A rating, and voltage ratings up to 690 Vac and 750 Vdc, making it suitable for common distribution and control panel applications. Optional rocker lever and motor drive accessories further enhance integration with motor control schemes.
The adjustable thermal trip allows tailoring the protection curve to the load profile, reducing nuisance trips during normal startup surges and intermittent overloads. By optimizing the overload protection setting, engineers can extend motor life, minimize unplanned downtime, and maintain consistent process throughput in industrial environments.
Yes. The NZMH2-AF25-BT-NA is UL Listed, and it is rated for 690 Vac and 750 Vdc operation. It provides up to 150 kAIC short-circuit capacity (85-150 kAIC interrupt) and is designed for reliable protection in industrial distribution panels, panels, and machines that demand high interrupt performance and safety compliance.
The device dimensions are 4.05 in depth, 7.24 in height, and 4.13 in width, with an approximate weight of 4.1 lb. Front frame clamp terminals support quick wiring and serviceability. Its compact footprint and NZM2 frame compatibility help align with existing Eaton protection devices, reducing cabinet space needs and simplifying spares inventory for installers.
Eaton provides warranty coverage per policy 25-000, offering one year from installation or eighteen months from shipment, whichever occurs first. For maintenance, rely on standard Eaton support resources and approved service practices to ensure consistent operating performance and timely part availability for the NZMH2-AF25-BT-NA.