Eaton NZMH2-A32 NZM MCCB - UL Listed, 150 kAIC
Part Number: NZMH2-A32
Quick Summary
NZMH2-A32 is a complete molded case circuit breaker from Eaton designed for distribution protection in industrial power systems. It helps engineers protect critical circuits while minimizing nuisance trips through adjustable thermal and magnetic trip settings. This device carries UL Listed certification and the reliable NZM2 frame to support safe, consistent performance in demanding environments. Its three-pole construction suits balanced three-phase systems, and the front-screw connection simplifies installation, maintenance, and panel wiring. By pairing rugged construction with flexible trip ranges and optional accessories like rocked levers or a motor drive, it delivers faster commissioning, easier servicing, and reduced overall lifecycle costs for control panels and distribution boards.
Product Information
Extended Description
NZMH2-A32 Eaton: Eaton Series NZM complete molded case circuit breaker, NZM2-frame, NZMH2, adj. thermal, adj. magnetic trip, Three-pole, 32A, 690 Vac, 750 Vdc, 85-150 kAIC, Distribution circuit protection, 25-32A, 350-350A delayed, Front screw, 25-32A
Product Name
Eaton Series NZM complete molded case circuit breaker
Catalog Number
NZMH2-A32
EAN
4015082812836
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.
Certifications
UL Listed
Amperage Rating
32 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
25-32A
Short-circuit breaking capacity
150 kAIC
Interrupt rating
85-150 kAIC
Connection
Front screw
Overload range
25-32A
Number of poles
Three-pole
Feature: Adjustable thermal and magnetic trip provides precise overcurrent protection. Business Impact: Improves selective coordination and reduces nuisance trips, boosting uptime in critical feeders. Application: Ideal for industrial distribution panels serving motors and drives. Feature: Three-pole NZMH2 on the NZM2 frame ensures robust, balanced protection for 3-phase systems. Business Impact: Enhances reliability in motor control centers and panel boards, supporting consistent operation under varied load conditions. Application: Suitable for machine controls and process lines in manufacturing plants. Feature: Front screw connection enables straightforward wiring and service access. Business Impact: Reduces commissioning time and simplifies retrofits in existing switchgear layouts. Application: New installations and upgrades in compact control panels where rear access is limited. Feature: Adjustment range for the short-circuit release (350-350A delayed) enables coordinated protection with upstream devices. Business Impact: Improves fault tolerance and reduces unnecessary outages in high-energy circuits. Application: Large feeders and motor feeders with known fault levels in industrial facilities. Feature: 32 A rating with 690 Vac / 750 Vdc capability covers common industrial loads with dual-voltage requirements. Business Impact: Optimizes panel space and inventory while supporting flexible design strategies. Application: General distribution and mixed-voltage panels in manufacturing environments. Feature: Accessories such as rocker lever and motor drive add operator control options and enhanced integration. Business Impact: Speeds control implementation and reduces wiring complexity. Application: Custom control panels and automatic motor management schemes.
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FAQs
NZMH2-A32 uses a front screw connection and a three-pole NZM2 frame, which simplifies wiring and service access. When installing, ensure adequate clearance for front-access maintenance, confirm torque specs for the terminals, and plan for compatible accessories such as a rocker lever or motor drive to match your control scheme. This setup enables quicker commissioning and easier future servicing in compact panels.
Key specs include a 32 A amperage rating, voltage ratings of 690 Vac and 750 Vdc, adjustable thermal and magnetic trip, and a short-circuit breaking capacity of 150 kAIC. The product is UL Listed and designed for three-pole protection within the NZM2 frame, supporting reliable protection for distribution circuits and motor feeders.
Yes. The three-pole configuration on the NZM2 frame, together with adjustable trip settings (thermal and magnetic), makes it well-suited for motor control centers and motor feeders. The 32 A rating matches common motor sizes, and the availability of accessories like a rocker lever or motor drive simplifies integration with starter circuits and variable-frequency drives.
The NZMH2-A32 carries UL Listed certification, supporting safe installation and compliance in many North American applications. Other regional certifications (such as CE or IP ratings) are not specified in the provided data; users should verify local regulatory requirements and consult the datasheet for any additional markings before international deployment.
The combination of adjustable trip settings, front-access installation, and available accessories reduces downtime during maintenance and commissioning. With UL Listed safety compliance and a robust three-pole design, panel uptime improves, potentially lowering total cost of ownership. The product’s compact footprint and optional motor-drive compatibility further enhance lifecycle efficiency for panel builders and end users.