Eaton NZMH2-AF40-BT-NA Molded Case Breaker - UL Listed
Part Number: NZMH2-AF40-BT-NA
Quick Summary
Eaton NZMH2-AF40-BT-NA molded case circuit breaker provides reliable overcurrent protection for industrial distribution panels. Engineers often struggle with nuisance trips, difficult adjustments, and space constraints in control panels. UL Listed certification supports safety and regulatory compliance in harsh industrial environments. With its adjustable thermal trip, fixed magnetic trip, and NZM2 frame design, this device offers straightforward installation and lifecycle reliability. This combination translates to reduced downtime, easier maintenance, and consistent protection for motors and distribution circuits, delivering real business value in demanding environments.
Product Information
Extended Description
NZMH2-AF40-BT-NA Eaton: Eaton Series NZM complete molded case circuit breaker, NZM2-frame, NZMH2, Adj. thermal, fixed magnetic trip, Three-pole, 40A, 690 Vac, 750 Vdc, 85-150 kAIC, Box, Distribution circuit protect., 40-40A, Front frame clamp, 40-40A
Product Name
Eaton Series NZM complete molded case circuit breaker
Catalog Number
NZMH2-AF40-BT-NA
EAN
4015081074617
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
40 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
320-400A delayed
Setting Range Ol Protector
40-40A
Short-circuit breaking capacity
150 kAIC
Interrupt rating
85-150 kAIC
Connection
Front frame clamp
Overload range
40-40A
Number of poles
Three-pole
Eaton Specification Sheet - NZMH2-AF40-BT-NA
Selling Policy 25-000 - Distribution and Control Products and Services
Feature: Adjustable thermal trip with a fixed magnetic trip → Business Impact: Flexible protection coordination reduces nuisance trips and enables precise setting for varying loads; Application: Distribution panels and machine feeders in manufacturing lines. Feature: NZM2 frame with front frame clamp and box terminals → Business Impact: Simplified wiring and secure mounting accelerate commissioning and simplify field service; Application: New installs and retrofits in control panels. Feature: High interrupt capacity up to 150 kAIC and 85-150 kAIC rating → Business Impact: Enhanced safety margins for fault events, minimizing equipment damage; Application: Heavy-duty industrial power distribution. Feature: 40 A rating at 690 Vac / 750 Vdc → Business Impact: Streamlined protection for standard motor and process circuits while reducing oversizing costs; Application: General purpose distribution protection. Feature: Accessories including rocker lever and motor drive → Business Impact: Expanded functionality and easier integratability with motor control schemes; Application: Control cabinets and motor control centers. Feature: Compact dimensions and rugged build → Business Impact: Higher density installations and improved reliability in harsh environments; Application: Space-constrained industrial panels.
Get a Quick Quote for a Eaton NZMH2-AF40-BT-NA
Chat with us on WhatsApp - fast responses guaranteed
Need to speak with someone? We'll call you back within 2 hours during business hours
Interested in Eaton NZMH2-AF40-BT-NA?
Enquire Now
FAQs
The device uses a three-pole NZM2 frame with front frame clamp terminals and box-terminal connections for straightforward mounting and wiring. Its compact dimensions support dense panel layouts, and the front-access wiring simplifies service and maintenance during upgrades or retrofits.
It is rated for 40 A with a voltage capability of 690 Vac and 750 Vdc. The breaker features an adjustable thermal trip and a fixed magnetic trip, delivering short-circuit protection up to 150 kAIC (85–150 kAIC interrupt rating), suitable for diverse industrial loads.
Yes. With a three-pole configuration, 40 A rating, NZM2 frame compatibility, and front-frame mounting, it is well-suited for motor feeders and distribution circuits in control panels and motor control centers, providing reliable protection with easy integration.
The NZMH2-AF40-BT-NA is UL Listed, indicating compliance with recognized safety standards. For additional regulatory considerations, refer to manufacturer guidance and specific project requirements; certification details are provided by Eaton for procurement and compliance documentation.
Warranty guidance follows Eaton Selling Policy 25-000, offering typically one year from installation or eighteen months from shipment, whichever occurs first. This policy supports product confidence and service planning during project execution and after installation.