Eaton NZMN3-VE400-SVE Molded Case Circuit Breaker - 50 kAIC

Part Number: NZMN3-VE400-SVE
Manufacturer
Eaton
Part number
NZMN3-VE400-SVE

Quick Summary

NZMN3-VE400-SVE is a molded case circuit breaker that protects industrial power distribution and panelboards with precise thermal-magnetic protection. Users frequently contend with nuisance trips and settings that are difficult to dial in, leading to production delays and elevated maintenance costs. Engineered for selective and generator protection, this unit features an NZM3 frame, front screw terminations, and a 200–400 A setting range to fit common feeder configurations. Certification and compliance vary by market—confirm CE, SIL, and IP considerations with Eaton and review the Eaton Selling Policy for service terms. With robust interrupt ratings and reliable performance, it delivers scalable protection that reduces outages in demanding industrial environments and supports efficient maintenance planning.

Product Information

Extended Description

NZMN3-VE400-SVE Eaton: Eaton Series NZM complete molded case circuit breaker, NZM3-frame, NZMN3, Thermal-magnetic trip, Three-pole, 400A, 690 Vac, 50 kAIC at 415 Vac, 42 kAIC at 480 Vac, Selective and generator protection, 200-400A, Front screw, 200-400A
Product Name
Eaton Series NZM complete molded case circuit breaker
Catalog Number
NZMN3-VE400-SVE
EAN
4015081649624
Product Length/Depth
13.19 in
Product Height
5.51 in
Product Width
5.51 in
Product Weight
17.02 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
Amperage Rating
400 A
Voltage rating
690 V AC
Trip Type
T268
Circuit breaker type
NZMN3
Shunt trip
12-24 Vac/dc left pigtail opposite
Frame
NZM3
Class
Selective and generator protection
Accessories
Rocker lever, motor drive
Setting Range Ol Protector
200-400A
Short-circuit breaking capacity
50 kAIC
Interrupt rating
42 kAIC at 480 Vac 50 kAIC at 415 Vac
Connection
Front screw
Overload range
200-400A
Number of poles
Three-pole
High-current rating and rugged construction enable reliable protection for heavy-load feeders, reducing nuisance trips and enabling safer panel operation in manufacturing environments. This translates to improved equipment uptime and lower maintenance labor costs, especially in data centers and process plants where continuous operation is critical. The device’s high interrupt capacity of 50 kAIC at 415 V and 42 kAIC at 480 V ensures swift clearance of faults, minimizing arc-flash exposure and potential collateral damage to upstream gear. Remote control options via the shunt trip (12-24 Vac/dc) enhance safety workflows by enabling fast, remote disconnection during abnormal conditions or generator switching events. The NZMN3 frame and front screw connections simplify installation in existing switchgear, reducing cabinet rework and wiring effort while improving reliability. Its 200–400 A setting range provides flexibility to match changing load profiles without replacing the protection device. The assembly supports selective protection strategies and generator protection, which minimizes outage impact and supports resilient power distribution in industrial facilities. Accessories such as rocker lever and motor drive extend compatibility with existing control schemes and retrofit projects, while a compact footprint (13.19 in L × 5.51 in W × 5.51 in H) eases enclosure planning. In practice, this combination of features helps engineers meet regulatory expectations, optimize energy management, and shorten project timelines.

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FAQs

The NZMN3-VE400-SVE uses front screw termination for straightforward mounting in standard switchgear and panels. It features a three-pole configuration with NZM3 frame compatibility and supports optional shunt trip wiring (12-24 Vac/dc) for remote operation, enabling flexible installation in new builds or retrofit projects.
This device is rated for 400 A and 690 V AC, with a short-circuit breaking capacity of 50 kAIC at 415 V and 42 kAIC at 480 V. It uses a T268 trip type, is a three-pole NZMN3 breaker, and has a 200–400 A setting range with front-screw connections and optional shunt trip capability.
The shunt trip allows remote disconnection via a 12-24 Vac/dc signal, enabling rapid emergency shutdowns or generator transfer scenarios. This capability is essential for safeguarding personnel and equipment during abnormal conditions and aligns with safety and incident-response procedures in industrial facilities.
Yes. The NZMN3-VE400-SVE is designed for selective and generator protection, helping maintain service continuity by coordinating with upstream devices and tolerating deliberate outages to protect critical loads. Its 200–400 A adjustable setting and robust fault-interruption performance support reliable selectivity in diverse power architectures.
Eaton provides a warranty under Selling Policy 25-000: one year from installation or eighteen months from shipment, whichever occurs first. For specific terms, regional coverage, and service options, consult Eaton’s documentation or contact the distributor to ensure full compliance and ongoing support.