Eaton NZMN2-A125-BT-NA Molded Case Circuit Breaker - 50 kAIC
Part Number: NZMN2-A125-BT-NA
Quick Summary
Eaton NZMN2-A125-BT-NA molded case circuit breaker protects industrial power distribution in panel boards. In fast-paced control environments, nuisance trips and space constraints can derail uptime and complicate installation. Certifications to confirm include CE marking and UL/IEC recognition; verify exact certifications with Eaton. This model's 125 A rating, 690 Vac/750 Vdc ratings, and 50 kAIC interrupt capacity drive reliable performance in heavy-duty automation. Using a front-frame clamp and box terminals simplifies installation and serviceability for panel builders. With a 3-pole configuration and 100-125 A setting range, it fits a wide range of distributions. By aligning with standard industrial protections, it helps minimize downtime while delivering scalable protection for growing automation projects.
Product Information
Extended Description
NZMN2-A125-BT-NA Eaton: Eaton Series NZM complete molded case circuit breaker, NZM2-frame, NZMN2, Thermal-magnetic trip, 750-1250A delayed, Three-pole, 125A, 690 Vac, 750 Vdc, 50 kAIC, Box, Distribution circuit protection, 100-125A, Front frame clamp, 100-125A
Product Name
Eaton Series NZM complete molded case circuit breaker
Catalog Number
NZMN2-A125-BT-NA
EAN
4015081074402
Product Length/Depth
5.9 in
Product Height
7.7 in
Product Width
4.1 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
Amperage Rating
125 A
Voltage rating
690 Vac, 750 Vdc
Trip Type
T268
Circuit breaker type
NZMN2
Terminals
Box
Frame
NZM2
Class
Distribution circuit protection
Accessories
Rocker lever, motor drive
Setting Range Ol Protector
100-125A
Short-circuit breaking capacity
50 kAIC
Interrupt rating
50 kAIC
Connection
Front frame clamp
Overload range
100-125A
Number of poles
Three-pole
Trip rating
750-1250 A delayed
Feature → Thermal-magnetic trip (T268) provides coordinated overload and short-circuit protection. Business Impact → Reduces nuisance trips and protects downstream equipment, improving line uptime and maintenance intervals. Application → Suitable for distribution circuits in machine panels and control enclosures where reliable protection is essential. The system-wide impact is predictable trip behavior and easier fault diagnosis, which translates to faster repairs and reduced downtime. This MCCB also supports common compatibility expectations with motor drives and control gear, supporting a smoother integration into existing tech stacks. Feature → 50 kAIC short-circuit rating delivers robust fault withstand capability for high-energy events. Business Impact → Limits arc energy in the event of a fault, protecting equipment and lowering the risk of collateral damage. Application → Critical for fans, pumps, conveyors, and other motor-driven loads in manufacturing lines. Feature → 125 A amperage rating with 100-125 A overload setting range enables flexible protection coordination. Business Impact → Enables precise selectivity in multi-breaker panels, reducing unnecessary power interruptions. Application → Ideal for distribution sections serving multiple loads and motor circuits. Feature → Front frame clamp connection with box terminals simplifies installation. Business Impact → Speeds up wiring, reduces torque requirements, and eases inspection. Application → Preferred in compact control panels where space is tight. Feature → Optional accessories such as rocker lever and motor drive enhance operation and control integration. Business Impact → Improves manual control ergonomics and aligns with motor-control architectures. Application → Suited for motor control centers and automation cabinets where quick manual overrides are beneficial.
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FAQs
The NZMN2-A125-BT-NA uses a front frame clamp connection and box terminals, which simplifies panel mounting and wiring. Ensure adequate clearance for terminal access, follow torque recommendations for stable connections, and verify mounting in a standard electrical enclosure to maintain performance in high-energy fault conditions.
Key specs include a 125 A amperage rating, 690 Vac and 750 Vdc voltage ratings, a 50 kAIC short-circuit breaking capacity, and a 3-pole configuration with a T268 thermal-magnetic trip. The device is designed for distribution protection within NZMN2 frame parameters and supports a 100-125 A overload setting range.
Yes. The three-pole design, 50 kAIC interrupt capacity, and thermal-magnetic trip make it well-suited for motor protection in manufacturing lines. The optional rocker lever and motor drive accessories further enhance motor control integration in motor control centers and automation cabinets.
Exact certifications are specified by Eaton and should be confirmed with the manufacturer. Typical industrial standards for molded case breakers include CE marking and UL/IEC recognitions. Always consult the official Eaton datasheet or contact Eaton support to verify current approvals for your region and application.
Warranty is governed by Eaton Selling Policy 25-000, offering one year from installation or 18 months from shipment, whichever occurs first. For service, access to Eaton technical support and datasheets is available to ensure proper selection, installation, and ongoing maintenance.