Eaton NZMB2-4-A160-SVE Molded Case Breaker - 25 kAIC
Part Number: NZMB2-4-A160-SVE
Quick Summary
The Eaton NZMB2-4-A160-SVE molded case breaker provides reliable overcurrent protection for industrial distribution panels. This helps avoid costly downtime caused by nuisance trips or inaccurate protection settings in demanding environments. Specific certifications (CE, SIL, IP) are not listed here; verify current approvals with Eaton. The device leverages a 600 Vac rating with a fixed thermal and adjustable magnetic trip, delivering robust protection while supporting front screw mounting for streamlined installation and maintenance in modern electrical rooms.
Product Information
Extended Description
NZMB2-4-A160-SVE Eaton: Eaton Series NZM complete molded case circuit breaker, NZM2-frame, NZMB2, Fixed thermal, adjustable magnetic trip, 960-1600A delayed, Four-pole, 160A, 600 Vac, 25 kAIC, Distribution circuit protection, 125-160A, Front screw, 125-160A
Product Name
Eaton Series NZM complete molded case circuit breaker
Catalog Number
NZMB2-4-A160-SVE
EAN
4015081127443
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.
Compliances
Contact Manufacturer
Amperage Rating
160 A
Voltage rating
600 Vac
Trip Type
T185
Circuit breaker type
NZMB2
Frame
NZM2
Class
Distribution circuit protection
Accessories
Rocker lever, motor drive
Setting Range Ol Protector
125-160A
Short-circuit breaking capacity
25 kAIC
Interrupt rating
25 kAIC
Connection
Front screw
Overload range
125-160A
Number of poles
Four-pole
Trip rating
960-1600 A delayed
Feature: Amperage rating of 160 A paired with a fixed thermal trip and adjustable magnetic trip layer delivers precise protection, enabling selective coordination across feeders. Benefit: Reduces miscoordination and unplanned outages, improving overall system reliability in distribution panels and MCCs. Application: Ideal for 125-160 A protection zones in industrial facilities with frequent motor starts and variable loads. Feature: Four-pole NZMB2 frame with 600 Vac rating provides complete phase protection and straightforward wiring. Benefit: Simplifies panel design and reduces wiring errors while supporting front screw connections for fast installation. Application: Suitable for main feeders and service entrances in compact switchgear layouts. Feature: Short-circuit capability of 25 kAIC and delayed trip range 960-1600 A offers robust fault handling. Benefit: Enhances safety margins and minimizes conductor damage during faults, supporting extended equipment life. Application: Critical for high-energy distribution networks and centralized protection schemes in manufacturing lines. Feature: Accessories such as rocker lever and motor drive support extend usability and control options. Benefit: Improves operator ergonomics and enables remote or automated control within automation architectures. Application: Compatible with motor-driven control strategies and streamlined maintenance workflows. Feature: Front screw connection and four-pole configuration enable compact installation and straightforward panel retrofits. Benefit: Reduces cabinet depth requirements and simplifies upgrades in legacy installations. Application: Effective in space-constrained panels and modernized distribution blocks across process industries.
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FAQs
Install the NZMB2-4-A160-SVE using the front screw connections provided. Ensure the panel bus and conductor sizes are compatible with a 160 A rating and 600 Vac supply. Set the protective range to between 125 and 160 A, then verify the magnetic trip setting for the expected fault current. Use the rocker lever accessory if remote or manual control is required.
Key specs include 160 A amperage rating, 600 Vac voltage rating, 25 kAIC short-circuit breaking capacity, four-pole configuration, NZMB2 circuit breaker type, NZM2 frame, and a T185 trip type with a 125–160 A setting range. The product supports front screw connections and includes rocker lever and motor drive accessories.
Yes, the four-pole NZMB2-4-A160-SVE is suitable for motor control centers and distribution panels where reliable protection and selective tripping are required. The model supports motor drive accessories and provides a compatible platform for coordinating upstream and downstream protective devices in MCCs and panel boards.
Exact certifications (such as CE, SIL, or IP ratings) are not listed in the provided data. For current approvals and compliance status, contact Eaton directly or consult the latest Eaton specification sheet to confirm regional certifications and installation requirements before deployment.
The NZMB2-4-A160-SVE provides robust protection with a fixed thermal and adjustable magnetic trip, reducing nuisance trips and enabling precise coordination. Its front-access design simplifies inspections and maintenance, potentially lowering downtime. With a 25 kAIC capability, it protects critical feeders against high-energy faults, contributing to longer equipment life and improved overall return on investment.