Eaton NZMN1-A63 Molded Case Circuit Breaker - UL Listed
Part Number: NZMN1-A63
Quick Summary
The Eaton NZMN1-A63 molded case circuit breaker provides dependable overload and short-circuit protection for distribution panels. When panel uptime matters, engineers face nuisance trips, wiring errors, and slow replacements that stall projects. UL Listed certification confirms safety compliance for critical distribution circuits, while the compact NZM1 frame and front-frame mounting simplify installation. With a 50-63 A setting range, 50 kAIC interrupt capacity, and a three-pole configuration, this breaker delivers reliable protection with straightforward maintenance. For integrators and operators, it translates into reduced downtime, streamlined procurement, and consistent protection across legacy and new panel installations.
Product Information
Extended Description
NZMN1-A63 Eaton: Eaton Series NZM complete molded case circuit breaker, NZM1-frame, NZMN1, Thermal-magnetic trip, 380-630A trip rating, Three-pole, 63A, 690 Vac, 500 Vdc, 50 kAIC, Dist. circuit protection, Rocker lever, 50-63A, Front frame clamp, 50-63A
Product Name
Eaton Series NZM complete molded case circuit breaker
Catalog Number
NZMN1-A63
EAN
4015082590833
Product Length/Depth
2.68 in
Product Height
5.71 in
Product Width
3.54 in
Product Weight
3.5 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.
Certifications
UL Listed
Amperage Rating
63 A
Voltage rating
690 Vac, 500 Vdc
Trip Type
T268
Circuit breaker type
NZMN1
Frame
NZM1
Class
Distribution circuit protection
Accessories
Rocker lever
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
Trip rating
380-630 A
Feature: Amperage rating of 63 A with a voltage range of 690 Vac and 500 Vdc. Business Impact: Protects feeders against overload while enabling compatibility with both AC and DC systems. Application: Ideal for distribution panels in manufacturing facilities and control cabinets. Feature: Short-circuit breaking capacity of 50 kAIC at 690 Vac. Business Impact: Handles high fault currents without circuit damage, reducing the risk of cascading failures. Application: Motor control centers and heavy machinery panels requiring robust fault tolerance. Feature: Thermal-magnetic trip (T268) with a setting range of 50-63 A. Business Impact: Delivers fast, selective protection to minimize nuisance trips and coordinate with upstream protection. Application: Multi-zone machine lines and complex panel boards. Feature: Front frame clamp mounting and a rocker lever accessory. Business Impact: Speeds installation and service, reduces commissioning time, and improves reliability of terminations. Application: New builds and retrofit projects in busy industrial environments. Feature: Three-pole design with NZM1 frame. Business Impact: Provides balanced protection for three-phase systems, simplifying wiring and maintenance. Application: Distribution feeders in factories and process plants with three-phase loads. Feature: 50-63 A setting range and 63 A rated output. Business Impact: Adjustable protection to match evolving load profiles, improving safety margins. Application: Panel feeders and machine controls where load can vary over time.
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FAQs
Yes. NZMN1-A63 is designed for front-frame clamp mounting, enabling straightforward installation in standard distribution panels. The three-pole configuration and 50-63 A setting range align with common panel feeder requirements, while the rocker lever accessory simplifies operation during commissioning and routine maintenance. This combination reduces field wiring issues and shortens project timelines.
The NZMN1-A63 offers a 63 A amperage rating, voltage ratings of 690 Vac and 500 Vdc, and a short-circuit breaking capacity of 50 kAIC. It uses a thermal-magnetic trip (T268) and supports a 50-63 A setting range across a three-pole design, making it suitable for diverse industrial feeders and control circuits.
Yes. The NZMN1-A63 is UL Listed, confirming safety compliance for electrical protection in industrial environments. This certification supports reliability in distribution panels and motor control centers, helping ensure regulatory conformity, consistent protection across devices, and peace of mind during audits and safety reviews.
Best suited for industrial distribution panels, control cabinets, and motor control centers, the NZMN1-A63 provides dependable overload and short-circuit protection for three-phase systems. Its 690 Vac rating and 50 kAIC fault current capability make it appropriate for demanding factory floors and process environments where uptime is critical.
The NZMN1-A63 includes a rocker lever as an accessory and supports front-frame mounting. These features facilitate easier operation during testing and maintenance, while the mounting design accelerates installation in new builds or retrofits. Together, they reduce commissioning time, improve termination reliability, and support ongoing serviceability in busy industrial settings.