Eaton NGS312033MCZ08 MCCB - UL Listed, 85 kAIC @ 240V
Part Number: NGS312033MCZ08
Quick Summary
Eaton Series G molded case circuit breaker provides reliable protection for industrial power distribution panels. This MCCB delivers precise protection for critical loads while helping minimize nuisance trips and downtime in demanding environments. The unit carries UL Listed, IEC Rated, and CSA Certified markings, ensuring it meets North American and international compliance standards. With a 1200 A rating and advanced Digitrip 310 RMS electronic trip, it supports scalable panel designs, easier maintenance, and improved selectivity across multiple feeders. For engineers and procurement teams, this combination translates to safer installations, faster commissioning, and reduced total cost of ownership in electrical protection and control applications.
Product Information
Extended Description
NGS312033MCZ08 Eaton: Eaton Series G electronic molded case circuit breaker, NG-frame, NG, Digitrip 310 RMS, Electronic LS trip, Three-pole, 1200A, 480 Vac, 85 kAIC at 240 Vac, 50 kAIC at 480 Vac, Line and Load, Metric, 50/60 Hz, 100% rated
Product Name
Eaton Series G molded case circuit breaker
Catalog Number
NGS312033MCZ08
UPC
786679193129
Product Length/Depth
6 in
Product Height
9 in
Product Width
16.5 in
Product Weight
48 lb
Certifications
UL Listed IEC Rated CSA Certified
Type
Series G
Application of Multi-Wire Terminals for Molded Case Circuit Breakers
Application of Multi-Wire Terminals for Molded Case Circuit Breakers
High performance operating handles for Series G circuit breakers product aid
High performance operating handles for Series G circuit breakers product aid
High performance operating handles for Series G circuit breakers product aid
High performance operating handles for Series G circuit breakers product aid
High performance operating handles for Series G circuit breakers product aid
High performance operating handles for Series G circuit breakers product aid
High performance operating handles for Series G circuit breakers product aid
High performance operating handles for Series G circuit breakers product aid
High performance operating handles for Series G circuit breakers product aid
High performance operating handles for Series G circuit breakers product aid
High performance operating handles for Series G circuit breakers product aid
High performance operating handles for Series G circuit breakers product aid
Breaker service centers
Circuit Protection, Molded Case Circuit Breakers, Volume 4, Tab 2
MOEM MCCB product selection guide
MOEM MCCB product selection guide
MOEM MCCB product selection guide
Feature: Digitrip 310 RMS electronic trip and 3-pole configuration → Business Impact: Precise, fast overcurrent protection with improved coordination across feeders, reducing downtime and preventing unnecessary trips → Application: Large motor control centers and process panels where reliability is critical. Feature: 85 kAIC at 240 V and 50 kAIC at 480 V → Business Impact: High-short-circuit withstand capability for heavy industrial fault currents, boosting system safety and uptime → Application: Heavy-duty machinery lines and manufacturing floor distributions. Feature: UL Listed, IEC Rated, CSA Certified → Business Impact: Regulatory compliance across markets minimizes qualification cycles and risk in panel builds → Application: Global project deployments and multi-site installations requiring standard certifications. Feature: Line and Load terminations, 6 in depth / 9 in height / 16.5 in width, 48 lb weight → Business Impact: Flexible installation in varied panel depths and spaces with predictable handling and mounting → Application: Retrofit projects and new-panel assemblies in industrial control cabinets. Feature: 1200 A rating, 480 Vac, 50/60 Hz, 100% rated → Business Impact: Suitable for continuous operation with global power supplies, ensuring consistent protection → Application: International process control systems and power distribution panels.
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FAQs
Yes. The NGS312033MCZ08 is a Series G molded case circuit breaker designed for standard Line and Load terminations within Eaton Series G panels. Its three-pole configuration and Digitrip 310 RMS trip unit are compatible with common Series G mounting and bus architectures, enabling straightforward retrofit or new-panel installations with minimal modifications.
Key ratings include a 1200 A current rating, 480 Vac nominal voltage, Digitrip 310 RMS electronic trip, and short-circuit withstand ratings of 85 kAIC at 240 V and 50 kAIC at 480 V. It supports 50/60 Hz operation and is 100% rated, making it suitable for broad industrial power systems and reliable protection.
Industries such as manufacturing, process automation, and data centers benefit from the Series G MCCB in motor control centers, panel boards, and critical power distributions. The combination of high fault current ratings, precise trip behavior, and certified compliance ensures robust protection for motors, drives, and processing equipment.
The device is UL Listed, IEC Rated, and CSA Certified, reflecting broad regulatory compliance for North American and international markets. This simplifies panel approvals, reduces qualification time for projects, and supports cross-border deployments where standard protection devices are required.
A wide range of Eaton resources are available, including application notes on multi-wire terminals, product catalogs, MOEM MCCB guides, and series-G-specific brochures. These documents assist with installation guidance, selective coordination, and best practices for wiring, mounting, and configuration in industrial panels.