Eaton NZMB2-A200-NA Molded Case Circuit Breaker - 25 kAIC
Part Number: NZMB2-A200-NA
Quick Summary
NZMB2-A200-NA molded case circuit breaker protects electrical distribution lines in industrial panels. Engineers frequently contend with nuisance trips and miscalibrated protection; this MCCB provides an adjustable overload range of 160–200 A and a delayed short‑circuit release to match your system dynamics. Certification verification should be completed with the manufacturer; verify CE, UL/CSA, and regional IP ratings to ensure regulatory compliance. With a front screw connection, three-pole NZM2 frame, and optional motor-drive accessory, installation remains straightforward while enabling scalable control in demanding environments. By delivering reliable protection with configurable settings, this device helps reduce downtime, streamline maintenance, and support regulatory compliance in industrial facilities.
Product Information
Extended Description
NZMB2-A200-NA Eaton: MCCB NZM, NZM2 TM and Elec. Breakers, Circuit Breaker, 160 -200A OL Prot. Rng, Screw connection, front, Three-pole, 200A Perm. Current, 25 kA, 160-200A Set. Rng OL Prot., 1200-2000A Undelayed Adj. Rng., Rocker lever, motor drive optional
Product Name
Eaton Series NZM complete molded case circuit breaker
Catalog Number
NZMB2-A200-NA
EAN
4015082692162
Product Length/Depth
5.51 in
Product Height
5.86 in
Product Width
5.86 in
Product Weight
5.17 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
Contact Manufacturer
Amperage Rating
200 A
Voltage rating
440 Vac
Trip Type
T185
Circuit breaker type
NZMB2
Frame
NZM2
Class
Distribution circuit protection
Accessories
Rocker lever, motor drive
Adjustment range short-circuit release
1200-2000A delayed
Setting Range Ol Protector
160-200A
Short-circuit breaking capacity
25 kAIC
Interrupt rating
25 kAIC
Connection
Front screw
Overload range
160-200A
Number of poles
Three-pole
Trip rating
600-1000 A
Feature: 200 A amperage rating and 440 Vac protection. Business Impact: Enables reliable interruption during overloads or faults, protecting electrical infrastructure and reducing unplanned downtime. Application: Ideal for distribution panels, motor feeders, and medium-load circuits in manufacturing spaces. Feature: Trip Type T185 with 25 kAIC short-circuit capacity. Business Impact: Fast, selective tripping minimizes arc flash exposure and collateral damage while preserving non-faulted circuits. Application: Suitable for high-demand industrial lines and switchgear assemblies requiring robust fault handling. Feature: Adjustable Setting Range 160–200 A OL; 1200–2000 A delayed release. Business Impact: Flexible coordination with upstream protection and system dynamics; reduces nuisance trips while maintaining protection margins. Application: Best for evolving motor loads and control circuits in process lines. Feature: Front screw connection and three-pole NZM2 frame. Business Impact: Streamlined installation and reliable connectivity; simplifies retrofit and panel upgrades. Application: Fits common industrial panel architectures and motor-control centers. Feature: Rocker lever; motor drive option. Business Impact: Ergonomic operation and remote-control capability support easier maintenance and automation integration. Application: Remote monitoring scenarios and ergonomic field servicing. Feature: Warranty and service policy. Business Impact: Clear coverage and post-sale support reduce ownership risk and improve total cost of ownership. Application: Essential for maintenance planning and asset lifecycle management.
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FAQs
When installing the NZMB2-A200-NA, ensure proper torque on front-screw terminals, use suitable conductor cross-sections for 200 A ratings, and provide adequate space for clearance around the device. Mount on a rigid panel with three-pole configuration, align with the NZM2 frame, and consider using the rocker lever or motor-drive accessory for convenient operation and remote control in motor-driven applications.
The device provides a 200 A continuous rating, 440 Vac operating voltage, and 25 kAIC short-circuit breaking capacity. With trip type T185 and adjustable overload range of 160–200 A, it supports reliable fault interruption and coordination with upstream protection, reducing the likelihood of nuisance trips while ensuring safe de-energization of faulty motor circuits.
Yes. The three-pole NZM2 frame, front-screw connection, and configurable protection settings make NZMB2-A200-NA well suited for motor control centers and distribution panels. Its 25 kAIC capacity and adjustable 160–200 A OL range assist in coordinating with other protective devices, while the option for motor-drive accessories supports advanced control for motor-driven loads.
Certifications for the NZMB2-A200-NA should be confirmed directly with Eaton. The data shows a generic 'Certifications: Contact Manufacturer' entry, so verify regional approvals such as CE, UL/CSA, and any IP ratings applicable to your installation site to ensure full regulatory compliance.
Using the NZMB2-A200-NA can lower maintenance costs by reducing nuisance trips and enabling stable protection settings, which minimizes equipment wear and downtime. The 1-year warranty (per Eaton policy) plus optional motor-drive accessories support scalable upgrades, improving asset reliability and return on investment over the life of the panel and plant systems.