Eaton NZMH2-AF225-BT-NA Molded Case Breaker - 150 kAIC
Part Number: NZMH2-AF225-BT-NA
Quick Summary
NZMH2-AF225-BT-NA is a complete molded case circuit breaker for distribution protection in industrial panels. Engineers often struggle to balance adjustable thermal protection with fixed magnetic trip in high-current feeders. Certifications: Contact Manufacturer. Key specs include 225 A at 690 Vac / 750 Vdc with a 150 kAIC interrupt rating and front-frame clamp terminals. This NZM2-frame unit simplifies panel integration and supports spare-part standardization, reducing maintenance downtimes in critical automation environments. By delivering reliable protection across distribution circuits, it helps ensure consistent performance in demanding industrial applications and aligns with best practices for electrical protection and safety.
Product Information
Extended Description
NZMH2-AF225-BT-NA Eaton: Eaton Series NZM complete molded case circuit breaker, NZM2-frame, NZMH2, Adj. thermal, fixed magnetic trip, Three-pole, 225A, 690 Vac, 750 Vdc, 85-150 kAIC, Box, Distribution circuit protect., 225-225A, Front frame clamp, 225-225A
Product Name
Eaton Series NZM complete molded case circuit breaker
Catalog Number
NZMH2-AF225-BT-NA
EAN
4015081074747
Product Length/Depth
5.51 in
Product Height
5.86 in
Product Width
5.86 in
Product Weight
5.17 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
Contact Manufacturer
Amperage Rating
225 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
1500-2500A delayed
Setting Range Ol Protector
225-225A
Short-circuit breaking capacity
150 kAIC
Interrupt rating
85-150 kAIC
Connection
Front frame clamp
Overload range
225-225A
Number of poles
Three-pole
Feature: Adjustable thermal trip combined with fixed magnetic trip; Business Impact: Reduces nuisance tripping while delivering reliable overload and short-circuit protection; Application: Motor feeders and power distribution panels. Feature: Three-pole design with 225 A rating; Business Impact: Handles higher-load feeders with uniform protection; Application: Industrial automation cabinets and switchgear. Feature: 690 Vac / 750 Vdc voltage rating; Business Impact: Supports both AC and DC systems in mixed-energy environments; Application: Process automation and manufacturing lines. Feature: NZM2 frame with front-frame clamp terminals; Business Impact: Streamlined installation, faster commissioning, and easier maintenance; Application: New builds and retrofit projects. Feature: Short-circuit release option (1500–2500 A delayed); Business Impact: Faster fault isolation in high-energy networks; Application: Large drives and heavy-industry networks. Feature: Accessories such as rocker lever and motor drive; Business Impact: Enhanced control and flexible installation; Application: OEM equipment and machine controls. Feature: 85–150 kAIC interrupt rating; Business Impact: Strong fault protection, reducing damage to downstream equipment; Application: Critical electrical protection in distribution circuits. While adopting this device, engineers gain improved reliability, standardized parts across panels, and clearer maintenance planning, all while maintaining compliance in robust industrial settings.
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FAQs
Yes. The NZMH2-AF225-BT-NA uses the NZM2 frame with a front-frame clamp, designed for seamless drop-in replacement or integration into standard NZM2-based distribution panels. It supports three-pole configurations and accommodates rocker lever or motor drive accessories, simplifying retrofits and panel upgrades.
You can expect robust protection with an 85–150 kAIC interrupt rating and an adjustable thermal, fixed magnetic trip. The 225 A rating handles heavy feeders, while the high interrupt capacity limits damage during faults. The device is suitable for both AC and DC applications within a single electrical distribution scheme.
Yes. The device features an adjustable thermal trip with a fixed magnetic trip, ensuring precise overload protection for the protected circuit. The overload range is specified as 225–225 A, which aligns with distribution circuit protection requirements and provides predictable, repeatable protection in routine operation.
Certifications are listed as Contact Manufacturer. For project-specific regulatory needs, consult Eaton to obtain the latest certification data (UL/CE/IEC listings where applicable) and ensure the device meets local electrical codes and industry standards before deployment in your facility.
The front-frame clamp and NZM2 frame support quick installation and straightforward panel wiring, reducing commissioning time. Optional accessories like rocker lever and motor drive enable versatile control. With a documented warranty policy (Eaton Selling Policy 25-000), the unit provides predictable maintenance cycles, aiding uptime, spare-part planning, and total cost of ownership in automated facilities.