Eaton NZMB2-A200-BT-NA Molded Case Circuit Breaker - 25 kAIC
Part Number: NZMB2-A200-BT-NA
Quick Summary
NZMB2-A200-BT-NA is a molded case circuit breaker used for reliable overcurrent protection in industrial power distribution panels. This device helps minimize nuisance trips and miscoordination by delivering precise 160–200 A overload protection and a robust 25 kAIC interrupt rating. Certifications vary by region; consult the manufacturer for definitive CE, UL, or IP confirmations. By combining a 200 A amperage rating with 440 Vac capability and front-frame clamp mounting, it simplifies panel integration while delivering dependable protection. Engineers gain predictable short-circuit and overload coordination, supporting faster design cycles, easier maintenance planning, and reduced downtime across manufacturing and processing environments.
Product Information
Extended Description
NZMB2-A200-BT-NA Eaton: MCCB NZM, NZM2 TM and Elec. Breakers, Circuit Breaker, 160-200A OL Prot. Rng, Frame clamp, 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-BT-NA
EAN
4015081074303
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
Terminals
Box
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 frame clamp
Overload range
160-200A
Number of poles
Three-pole
Trip rating
300-500 A
Feature: 200 A amperage rating and 440 Vac operation. Business Impact: Enables reliable protection for mid-size feeders and MCC sections, delivering consistent trip performance up to 25 kAIC and reducing unplanned outages. Application: ideal for distribution panels in manufacturing lines and process plants. Feature: Trip Type T185 with adjustable OL range (160-200 A). Business Impact: Improves protection coordination and minimizes nuisance trips during inrush events. Application: suitable for motor-driven equipment and mixed-load panels. Feature: NZMB2 frame with front frame clamp terminals. Business Impact: Speeds installation and improves wiring reliability in crowded enclosures. Application: retrofit and new-build panels in electrical protection and circuit control. Feature: Optional rocker lever and motor-drive compatibility. Business Impact: Enhances operability in automated environments and enables remote or PLC-controlled trips. Application: suitable for motor control centers and automated machinery. Feature: 1200-2000 A delayed short-circuit release setting. Business Impact: Extends fault-current handling while maintaining downstream coordination. Application: protecting high-current feeders and critical loads in industrial plants.
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FAQs
To install the NZMB2-A200-BT-NA, mount the unit on the panel rail or enclosure frame using the front frame clamp terminals for secure wiring. Wire the three poles to the incoming bus and the load terminals as per your panel diagram. Ensure the protection settings are configured within the 160–200 A OL range and that the device is firmly seated to prevent vibration-induced trips.
Key specs include an Amperage Rating of 200 A, Voltage Rating of 440 Vac, Short-Circuit/Interrupt Rating of 25 kAIC, and a Trip Type of T185. It is a Three-pole NZMB2 circuit breaker with Front frame clamp terminals, an OL protection setting range of 160–200 A, and a Delayed range of 1200–2000 A for short-circuit release.
Yes, the NZMB2-A200-BT-NA is well-suited for motor control centers thanks to its 200 A rating, 3-pole configuration, and motor-drive accessory compatibility. The front-frame clamp wiring and NZM2 frame support easy integration into MCCs, while the T185 trip characteristic helps coordinate protection with downstream devices in motor-driven applications.
Certification details for NZMB2-A200-BT-NA are managed by the manufacturer. For region-specific requirements, confirm CE, UL, or IP ratings directly with Eaton, referencing the model NZMB2-A200-BT-NA and the EAN/GTIN 4015081074303 to ensure compliance for your facility and local regulations.
The ROI comes from reduced downtime due to reliable overcurrent protection, lower nuisance tripping, and simplified maintenance planning. With a 25 kAIC interrupt rating and precise OL coordination, the device helps protect motors and feeders, extending equipment life and lowering replacement costs in mid-to-large industrial panels.