Eaton NZMN2-A63-BT-NA Molded Case Circuit Breaker - UL Listed
Part Number: NZMN2-A63-BT-NA
Quick Summary
The Eaton NZMN2-A63-BT-NA molded case circuit breaker delivers reliable distribution protection for industrial panels. In fast-paced facilities, nuisance trips and hard-to-diagnose faults erode uptime, so precise thermal-magnetic protection minimizes unplanned outages. UL Listed and rated for 690 Vac / 750 Vdc with a 50 kAIC interrupt capacity, it fits the NZM2 frame and supports efficient front-frame wiring. With a 50-63 A setting range and a delayed short-circuit release of 380-630 A, it offers configurable protection for motors, feeders, and distribution circuits. The model also supports practical control integration via rocker lever and motor-drive accessories, enhancing commissioning and maintenance workflows while meeting stringent safety standards.
Product Information
Extended Description
NZMN2-A63-BT-NA Eaton: Eaton Series NZM complete molded case circuit breaker, NZM2-frame, NZMN2, Thermal-magnetic trip, Three-pole, 63A, 690 Vac, 750 Vdc, 50 kAIC, Box, Distribution circuit protection, 50-63A, 380-630A delayed, Front frame clamp, 50-63A
Product Name
Eaton Series NZM complete molded case circuit breaker
Catalog Number
NZMN2-A63-BT-NA
EAN
4015081074372
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
63 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
Adjustment range short-circuit release
380-630A delayed
Setting Range Ol Protector
50-63A
Short-circuit breaking capacity
50 kAIC
Interrupt rating
50 kAIC
Connection
Front frame clamp
Overload range
50-63A
Number of poles
Three-pole
Power Xpert Protection Manager x64
Eaton Specification Sheet - NZMN2-A63-BT-NA
Intelligent power starts with accurate, actionable data
63 A rating combined with a thermal-magnetic trip provides precise protection coordination, reducing nuisance trips and extending equipment life, which translates to lower maintenance costs and fewer unplanned shutdowns in critical production lines. This device uses a three-pole NZMN2 frame with front-frame clamp and box terminals, delivering straightforward wiring and reliable performance in compact panel spaces, accelerating installation and reducing field rework. Operating at 690 Vac / 750 Vdc, this breaker supports diverse industrial networks while maintaining consistent interrupt behavior, which simplifies integration into multi-voltage control systems and machine cabinets. The adjustable setting range of 50-63 A and the delayed short-circuit release of 380-630 A enable selective protection, improving coordination with upstream devices and reducing the risk of cascading trips during startup or load changes. Accessories such as rocker lever and motor-drive options provide flexible control configurations, enabling easy retrofit and scalable control architectures for evolving production demands. UL Listed certification reinforces compliance with global safety standards, while robust construction and standardized mounting promote long service life and predictable maintenance intervals, contributing to lower total cost of ownership in electrical protection schemes.
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FAQs
Yes. The NZMN2-A63-BT-NA is built on the NZM2 frame and uses a front-frame clamp for wiring, which simplifies installation in common distribution panels. The three-pole design fits standard industrial cabinets, and the front-access terminals reduce wiring complexity during panel assembly and service.
The unit uses a thermal-magnetic trip (T268) with a 50-63 A adjustment range for overload protection. To set, access the setting range Ol Protector to select 50, 63 A as appropriate for your feeder, ensuring coordination with upstream devices. This enables selective tripping and minimizes equipment downtime during overload events.
The NZMN2-A63-BT-NA offers a 50 kAIC short-circuit breaking capacity, making it suitable for distribution feeders and motor-start protection in medium to large panels. Its high interrupt rating supports reliable fault clearance in networks with potential short-circuit currents, reducing damage risk to motors and drives.
This breaker is UL Listed, signaling adherence to recognized safety standards. UL listing supports regulatory compliance, qualification for global markets, and easier OEM certification processes. Engineers can specification-check with confidence, knowing the part has undergone standardized safety testing for industrial use.
With UL Listed safety and robust construction, the NZMN2-A63-BT-NA offers predictable longevity in harsh environments. Routine checks should verify terminal tightness and mounting integrity, while the available accessories (rocker lever, motor drive) simplify future upgrades. Its modularity supports spare parts availability and faster field service, reducing downtime during maintenance.