Eaton NZMH2-A125-BT-NA Molded Case Breaker - 85-150 kAIC

Part Number: NZMH2-A125-BT-NA
Manufacturer
Eaton
Part number
NZMH2-A125-BT-NA

Quick Summary

The Eaton NZMH2-A125-BT-NA molded case circuit breaker protects distribution lines in industrial control panels. Engineers often face nuisance trips and tuning challenges as loads evolve and equipment ages. Typical deployments align with CE and UL standards and IP-rated enclosures; verify exact certifications with Eaton. This combination supports faster commissioning, reduced downtime, and stronger lifecycle value for automation projects.

Product Information

Extended Description

NZMH2-A125-BT-NA Eaton: Eaton Series NZM complete molded case circuit breaker, NZM2-frame, NZMH2, Adj. thermal, adj. magnetic trip, 750-1250A delayed, Three-pole, 125A, 690 Vac, 750 Vdc, 85-150 kAIC, Box, Distribution circuit protect., Front frame clamp, 100-125A
Product Name
Eaton Series NZM complete molded case circuit breaker
Catalog Number
NZMH2-A125-BT-NA
EAN
4015081074525
Product Length/Depth
7.7 in
Product Height
4.1 in
Product Width
5.9 in
Product Weight
6.15 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
Amperage Rating
125 A
Voltage rating
690 Vac, 750 Vdc
Trip Type
Adjustable thermal, adjustable magnetic
Circuit breaker type
NZMH2
Terminals
Box
Frame
NZM2
Class
Distribution circuit protection
Accessories
Rocker lever, motor drive
Setting Range Ol Protector
100-125A
Short-circuit breaking capacity
150 kAIC
Interrupt rating
85-150 kAIC
Connection
Front frame clamp
Overload range
100-125A
Number of poles
Three-pole
Trip rating
750-1250 A delayed
The 125 A amperage rating with a 690 Vac / 750 Vdc voltage rating offers precise protection for demanding industrial loads, while the adjustable thermal and magnetic trip provides tailored protection for varying duty cycles, reducing nuisance trips and extending equipment life. Business impact: improved reliability and selectivity in power distribution, enabling proactive maintenance planning and consistent process uptime. Application: ideal for feeder circuits in manufacturing lines and critical enclosure distribution where reliable fault protection is essential. The NZMH2 trip type supports both thermal and magnetic protection, delivering fast response to short circuits with configurable settings, translating to safer startups and less equipment stress. The NZM2 frame with front frame clamp and box terminals simplifies installation, reduces panel depth requirements, and speeds retrofits. Industry context: compatible with modular motor drives and automation devices, improving system integration while maintaining compliance across industrial environments. Short-circuit endurance up to 150 kAIC and an interrupt rating up to 150 kAIC provides resilience against high fault currents, supporting downstream protection coordination and safer utility interconnections. Accessories such as rocker lever and motor drive expand control and monitoring capabilities for evolving automation strategies. Warranty and service terms further support lifecycle cost optimization over time.

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FAQs

This unit uses a front frame clamp with box terminals and the NZM2 frame, simplifying retrofit into many common distribution panels. With a 7.7 in depth, 4.1 in height, and 5.9 in width, it fits standard enclosures while maintaining accessible wiring and straightforward motor drive integration.
Key specs include a 125 A amperage rating, 690 Vac / 750 Vdc voltage rating, adjustable thermal and magnetic trip, 100-125 A setting range, 750-1250 A delayed trip, and a short-circuit breaking capacity of 150 kAIC with an interrupt rating of 85-150 kAIC, suitable for demanding industrial feeders.
Yes. With three-pole configuration, front frame mounting, and a robust 150 kAIC fault current rating, it provides reliable distribution protection for manufacturing feeders, process lines, and panel boards while enabling easy coordination with downstream protection devices.
Confirm the exact certifications with Eaton for your region; typical industrial protective devices are evaluated against CE, UL, and related electrical standards. Verify enclosure IP rating compatibility and any site-specific compliance requirements prior to deployment.
The adjustable trip reduces nuisance trips and allows tuning to match evolving loads, lowering unplanned downtime. Its compatibility with motor drives and front-frame mounting simplifies upgrades, accelerating commissioning and reducing maintenance costs over the equipment lifecycle.