Eaton NZMH2-A25-BT-NA Molded Case Circuit Breaker - UL Listed
Part Number: NZMH2-A25-BT-NA
Quick Summary
The Eaton NZMH2-A25-BT-NA molded case circuit breaker protects distribution circuits in industrial panels. Many users struggle with nuisance trips and slow fault isolation, which disrupt production; this device uses adjustable thermal and magnetic trip to improve selectivity and uptime. UL Listed certification underscores safety and code compliance for electrical installations, supporting reliable panel integration. The compact NZM2 frame with a front frame clamp simplifies mounting in tight switchgear and enhances serviceability, while compatibility with rocker lever and motor-drive accessories expands control options. This model delivers proven distribution circuit protection with efficient commissioning and long-term reliability for modern industrial automation environments.
Product Information
Extended Description
NZMH2-A25-BT-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, Box, Distribution circuit protect., 20-25A, Front frame clamp, 20-25A
Product Name
Eaton Series NZM complete molded case circuit breaker
Catalog Number
NZMH2-A25-BT-NA
EAN
4015081074457
Product Length/Depth
4.05 in
Product Height
7.24 in
Product Width
4.13 in
Product Weight
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, 750 Vdc
Trip Type
Adjustable thermal, adjustable 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
20-25A
Short-circuit breaking capacity
150 kAIC
Interrupt rating
85-150 kAIC
Connection
Front frame clamp
Overload range
20-25A
Number of poles
Three-pole
Power Xpert Protection Manager x64
Compact circuit-breakers and switch-disconnectors up to 1600 A
Eaton Specification Sheet - NZMH2-A25-BT-NA
Intelligent power starts with accurate, actionable data
Feature: Adjustable thermal and magnetic trip; Business Impact: Improves protection coordination and reduces nuisance trips, enabling uptime and predictable maintenance; Application: Distribution circuits in industrial panels. Feature: 25 A rating with 690 Vac and 750 Vdc limits; Business Impact: Handles high-powered loads safely while supporting versatile power architectures; Application: Machine control panels and process equipment. Feature: Three-pole NZMH2 with box terminals and front frame clamp; Business Impact: Facilitates compact, robust wiring and quick installation or replacement; Application: Front-access wiring in switchboards and control panels. Feature: Short-circuit rating up to 150 kAIC; Business Impact: Enhanced fault current withstand and system safety, reducing arc energy exposure; Application: Panels feeding motors and high-inrush loads. Feature: Accessories including rockers lever and motor drive compatibility; Business Impact: Streamlines integration with existing drives and control schemes, lowering total deployment cost; Application: Motor-driven equipment and automation lines. Feature: Optional adjustable short-circuit release range and OL protection setting (20–25 A); Business Impact: Fine-tuned protection reduces downtime and wear on downstream devices; Application: Customizable protection for evolving automation lines. Business Value: The NZMH2-A25-BT-NA combines precise protection, straightforward installation, and scalable options to shorten commissioning time, improve uptime, and support compliance in distributed control architectures.
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FAQs
Install with the front-frame clamp terminals for direct mounting to the panel frame. Ensure mounting clears any adjacent components and align with the NZM2 frame geometry. Use compatible accessories such as a rocker lever or motor drive if integration with control circuits is required. Follow the Eaton installation guidelines for torque and wiring to maintain UL Listed compliance.
Key specs include a 25 A amperage rating, 690 VAC and 750 VDC voltage ratings, adjustable thermal and magnetic trip, and a short-circuit breaking capacity of up to 150 kAIC. It is a three-pole NZMH2 device with front-frame clamp terminals, designed for distribution circuit protection in industrial settings.
Yes. Its three-pole design and adjustable trip provide reliable protection for motors and related loads. The device supports distribution protection in control panels and is compatible with motor drive accessories, enabling coordinated protection and controlled start-up transients in automation lines.
The model is UL Listed, indicating compliance with recognized electrical safety standards. This certification helps ensure safe integration into standard industrial panels and supports conformity with typical regulatory requirements for electrical protection devices used in distribution circuits.
The product is covered under Eaton’s policy with a one-year warranty from installation or eighteen months from shipment, whichever occurs first. For maintenance, rely on standard inspection intervals, verify trip settings during commissioning, and replace or service accessories (rocker lever, motor drive) as needed to preserve optimal protection and ensure long-term ROI.