Eaton NZMH2-A80-NA Molded Case Circuit Breaker - UL Listed
Part Number: NZMH2-A80-NA
Quick Summary
The NZMH2-A80-NA molded case circuit breaker from Eaton is a compact, three-pole protection device designed for robust distribution in industrial panels. It delivers precise overcurrent protection with adjustable thermal and magnetic trip, simplifying panel coordination and maintenance. Engineers often struggle with selecting devices that balance fast fault clearance with nuisance tripping, especially in varied installation environments. This unit complies with UL/CSA and IEC standards, reinforcing safety and interchangeability across regional panels. By leveraging the NZM2 frame and screw connection, it delivers reliable protection with straightforward installation, while supporting scalable protection strategies for modern manufacturing and process automation environments.
Product Information
Extended Description
NZMH2-A80-NA Eaton: Eaton Series NZM complete molded case circuit breaker, NZM2-frame, NZMH2, Adj. thermal, adj. magnetic trip type,-3P, 80A, 750 Vdc, 85-150 kAIC, Dist. circuit protection, Screw, conforms to UL/CSA and IEC
Product Name
Eaton Series NZM complete molded case circuit breaker
Catalog Number
NZMH2-A80-NA
EAN
4015082692346
Product Length/Depth
8.5 in
Product Height
6.3 in
Product Width
4.5 in
Product Weight
5.4 lb
Compliances
Contact Manufacturer
Certifications
UL Listed
Amperage Rating
80 A
Voltage rating
690 Vac, 750 Vdc
Trip Type
Adjustable thermal, adjustable magnetic
Circuit breaker type
NZMH2
Frame
NZM2
Class
Distribution circuit protection
Interrupt rating
85-150 kAIC
Connection
Screw
Number of poles
Three-pole
Feature → Business Impact → Application: The NZMH2-A80-NA uses an adjustable thermal, adjustable magnetic trip to tailor protection to specific load profiles, reducing nuisance trips and improving system uptime in critical production lines. This translates to lower maintenance costs and smoother machine operation in CNC machines, conveying equipment, and packaging lines. Feature → Application: The three-pole design with a screw connection and NZM2 frame enables efficient, secure installation in compact control panels, saving panel space while meeting distribution circuit protection requirements. Feature → Business Impact → Application: With an 85-150 kAIC interrupt rating and capability for up to 690 Vac / 750 Vdc, it supports high-energy fault handling in large motor drives and DC power systems, enhancing reliability and safety in industrial automation settings. Feature → Application: UL Listed and IEC/UL/CSA compliant construction provides assurance for strict regulatory environments, facilitating faster approvals and dependable aftermarket support. Feature → Business Impact: The 8.5 in x 6.3 in x 4.5 in footprint and 5.4 lb weight offer a favorable balance of protection capacity and space efficiency, enabling flexible placement in control cabinets and distribution boards across manufacturing floors.
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FAQs
Yes. The NZMH2-A80-NA is designed for use with the NZM2 frame and features a three-pole arrangement with screw terminals, enabling straightforward installation into compatible panels and switchgear. This compatibility supports consistent protection across distributed equipment without requiring unusual adapters or rework.
The device is rated for 80 A with voltage ratings of 690 Vac and 750 Vdc. It features adjustable thermal and magnetic trip, allowing precise coordination with upstream protection devices and load profiles. This enables reliable fault isolation while minimizing unnecessary power interruptions in motors and drives.
NZMH2-A80-NA is UL Listed and conforms to UL/CSA and IEC standards. These certifications support safe operation, regulatory compliance, and easier procurement for international panels and equipment, reducing qualification time during project commissioning.
Installation uses a screw connection with a three-pole configuration. The unit is built around the NZM2 frame and is designed for straightforward mounting in control panels, providing secure electrical contact and reliable fault-current pathways. This simplifies field wiring and panel layout planning for engineers.
Choosing NZMH2-A80-NA delivers improved protection coordination, reduced downtime from nuisance trips, and faster commissioning thanks to standardized NZM2 framing. Its robust interrupt rating and high-voltage compatibility support durable, safer distribution circuits in manufacturing environments, translating to lower maintenance costs and higher overall equipment availability.