Eaton NZMH2-AF70-BT-NA NZM2 Circuit Breaker - UL Listed
Part Number: NZMH2-AF70-BT-NA
Quick Summary
NZMH2-AF70-BT-NA is a three-pole molded-case circuit breaker for distribution protection in industrial panels. Engineers upgrading legacy systems often face nuisance trips and inconsistent protection, which this device mitigates with an adjustable thermal trip and a fixed magnetic element for reliable selectivity. UL Listed certification underpins safety compliance, and the unit supports up to 690 Vac and 750 Vdc with an 85–150 kAIC interrupt rating. With NZM2 frame compatibility and box terminals, the breaker enables quick, code-ready integration in panel assemblies. This combination delivers robust protection while reducing installation time and lifecycle costs for OEMs and end users alike.
Product Information
Extended Description
NZMH2-AF70-BT-NA Eaton: Eaton Series NZM complete molded case circuit breaker, NZM2-frame, NZMH2, Adjustable thermal, fixed magnetic trip type, Three-pole, 70A, 690 Vac, 750 Vdc, 85-150 kAIC, Box, Distribution circuit protection
Product Name
Eaton Series NZM complete molded case circuit breaker
Catalog Number
NZMH2-AF70-BT-NA
EAN
4015081074655
Product Length/Depth
4.05 in
Product Height
7.24 in
Product Width
4.13 in
Product Weight
5.16 lb
Compliances
Contact Manufacturer
Certifications
UL Listed
Amperage Rating
70A
Voltage rating
690 Vac, 750 Vdc
Trip Type
Adjustable thermal, fixed magnetic
Circuit breaker type
NZMH2
Terminals
Box
Frame
NZM2
Class
Distribution circuit protection
Interrupt rating
85-150 kAIC
Number of poles
Three-pole
Feature: Adjustable thermal, fixed magnetic trip. Business Impact: Precise overcurrent protection and improved coordination reduce nuisance trips and equipment wear. Application: Suitable for distribution circuits in industrial panels and motor control centers. Feature: 70A amperage rating. Business Impact: Appropriately sized for feeder circuits, lowering unnecessary upstream protection complexity and enabling compact panel designs. Application: Control panels and distribution boards in automation environments. Feature: Voltage rating of 690 Vac / 750 Vdc. Business Impact: Supports mixed AC/DC supply conditions common in modern industrial facilities, enhancing flexibility and compatibility. Application: Panelboards in mixed-voltage industrial ecosystems. Feature: 85–150 kAIC interrupt rating. Business Impact: High fault-current capability improves system resilience and reduces the risk of arcing damage during outages. Application: Data centers, processing lines, and heavy manufacturing. Feature: NZM2 frame with box terminals. Business Impact: Simplified mounting and wiring reduce installation time and panel depth, improving overall total cost of ownership. Application: Retrofit projects and new panel builds in space-constrained enclosures. Feature: UL Listed certification. Business Impact: Procurement and compliance are streamlined for regulated installations, lowering project risk. Application: Industrial protection and distribution circuit protection in certified panels.
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FAQs
When installing NZMH2-AF70-BT-NA, ensure box-type terminals are properly tightened to the manufacturer’s torque specifications and mount the unit on the NZM2 frame within compatible enclosures. Check clearances for ventilation and verify alignment with adjacent devices to maintain safe operation and easy wiring access during maintenance.
The unit is 70A rated with a voltage capacity of 690 Vac / 750 Vdc and offers adjustable thermal, fixed magnetic trip. It provides an interrupt rating of 85–150 kAIC, making it suitable for typical distribution protection duties in industrial settings while enabling selective coordination with upstream breakers.
Yes, NZMH2-AF70-BT-NA is UL Listed, signifying compliance with safety standards for industrial equipment. It is designed for distribution circuit protection in panel boards and motor control centers, aligning with common regulatory requirements in manufacturing and processing plants.
Absolutely. With a voltage rating of 690 Vac / 750 Vdc, it is compatible with many mixed-supply automation panels. This flexibility helps simplify panel design and reduces component inventories for OEMs handling diverse power architectures.
Choosing NZMH2-AF70-BT-NA supports reliable protection with adjustable thermal trip for selectivity, high fault current handling (85–150 kAIC), and UL Listed compliance. The compact NZM2 frame and box terminals speed installation, reduce wiring time, and lower lifecycle costs by minimizing downtime and maintenance complexity.