Eaton NZMN2-A250-BT-NA MCCB - 50 kAIC, 690V, 3-pole
Part Number: NZMN2-A250-BT-NA
Quick Summary
NZMN2-A250-BT-NA is a complete molded case circuit breaker for distribution panels and motor control centers. Engineers need reliable short-circuit protection for 690V systems that’s easy to spec and retrofit. Certification like CE and UL is commonly required; verify this model’s approvals with the manufacturer to ensure regional compliance. The NZMN2 frame supports front frame clamp terminals and offers a three-pole configuration with a 250 A rated continuous current, plus an optional rocker lever and motor-drive accessory. This combination reduces integration risk, simplifies installation, and helps ensure uptime in demanding industrial environments. By aligning with Eaton's protection philosophy, you gain consistent performance and predictable maintenance costs.
Product Information
Extended Description
NZMN2-A250-BT-NA Eaton: MCCB NZM, NZM2 TM and Elec. Breakers, Circuit Breaker, 200-250A OL Prot. Rng, Frame clamp, front, Three-pole, 250A Perm. Current, 50 kA, 200-250A Set. Rng OL Prot., 1500-2500A Undelayed Adj. Rng., Rocker lever, motor drive optional
Product Name
Eaton Series NZM complete molded case circuit breaker
Catalog Number
NZMN2-A250-BT-NA
EAN
4015081074433
Product Length/Depth
5.866 in
Product Height
4.134 in
Product Width
4.134 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
250 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
1500-2500A delayed
Setting Range Ol Protector
200-250A
Short-circuit breaking capacity
50 kAIC
Interrupt rating
50 kAIC
Connection
Front frame clamp
Overload range
200-250A
Number of poles
Three-pole
Feature: 250 A amperage rating and 690 Vac / 750 Vdc voltage capability. Business Impact: Supports scalable protection for medium-power distribution and motor circuits with predictable trip behavior. Application: Suitable for distribution panels in manufacturing and process facilities, delivering reliable uptime. Feature: 50 kAIC short-circuit breaking capacity with 50 kAIC interrupt rating. Business Impact: Maximizes fault withstand, reducing cascading faults and downtime. Application: Essential in high-demand industrial environments where feeder protection is critical. Feature: NZM2 frame with three-pole configuration and front frame clamp terminals. Business Impact: Compact footprint enables dense panel layouts and faster wiring, lowering installation time. Application: Ideal for motor control centers and compact switchgear installations. Feature: Optional rocker lever and motor-drive accessory. Business Impact: Improves operability for local control and remote motor drive integration, reducing commissioning effort. Application: Enhanced in-process control and automation setups. Feature: Adjustment range for short-circuit release 1500-2500A delayed and setting range Ol Protector 200-250A. Business Impact: Flexible coordination with upstream protective devices reduces nuisance trips and improves selectivity. Application: Tolerant to system growth and protection scheme evolution. Feature: Front-frame clamp connection and three-pole, compact dimensions (5.866 in L x 4.134 in W x 4.134 in H) with 5.17 lb weight. Business Impact: Streamlined wiring and installation in tight spaces, enabling quicker panel builds. Application: Retrofit and replacement projects where space is at a premium. Overall, the combination of ratings, frame design, and optional accessories supports safer, faster, and more cost-effective electrical protection in industrial automation environments.
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FAQs
The NZMN2-A250-BT-NA provides 250 A amperage rating, supports 690 Vac and 750 Vdc, and offers a 50 kAIC short-circuit breaking/interrupt rating. It is a three-pole device in the NZM2 frame, designed for distribution panels and motor control centers with a front-frame clamp termination.
Yes. It features front-frame clamp terminals for straightforward wiring and includes an optional rocker lever and motor-drive accessory, which simplifies control wiring and enables easy integration with motor control schemes in automation environments.
Ideal for distribution panels and motor control centers in manufacturing, processing, and heavy industrial facilities. The 250 A rating, 690 Vac / 750 Vdc capability, and 50 kAIC interrupt capacity support reliable protection for mid-range feeders and motor circuits in demanding applications.
Certifications for this model are to be confirmed with the manufacturer. Typical protection devices in this class align with regional standards; contact Eaton to verify CE, UL, or other approvals for your specific region and installation.
Its compact footprint (5.866 in L x 4.134 in W x 4.134 in H) and front-frame clamp terminals reduce panel space and wiring effort, speeding assemblies. The 5.17 lb weight aids handling, while the availability of motor-drive options and a robust 50 kAIC rating support reliable, low-maintenance operation.