Eaton NGS312032MCA12S03Z08 Molded Case MCCB - UL Listed
Part Number: NGS312032MCA12S03Z08
Manufacturer
Eaton
Part number
NGS312032MCA12S03Z08
Quick Summary
The Eaton NGS312032MCA12S03Z08 MCCB protects electrical panels with precise overcurrent protection in industrial control panels. End users struggle with nuisance trips, limited selective coordination, and costly downtime during panel upgrades. Certified UL Listed, IEC Rated, and CSA Certified for broad compliance across industries. Series G MCCBs offer reliable protection, easy integration with Digitrip 310 RMS, and flexible mounting for control panels.
Product Information
Extended Description
NGS312032MCA12S03Z08 Eaton: Eaton Series G electronic molded case circuit breaker, NG-frame, NG, Digitrip 310 RMS, LSI 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, with aux switch, shunt trip
Product Name
Eaton Series G molded case circuit breaker
Catalog Number
NGS312032MCA12S03Z08
UPC
786679193105
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 Tap Rules to Molded Case Breaker Terminals
Application of Tap Rules to Molded Case Breaker Terminals
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
Digitrip 310 RMS with LSI trip provides precise overload and short-circuit protection, enabling selective coordination and reducing nuisance trips across feeders. This improves uptime and lowers maintenance costs in manufacturing lines and packaging facilities. Three-pole NG frame design ensures balanced protection across all three phases, facilitating simpler wiring and dependable phase coordination in control panels and motor control centers. The 1200A rating supports large loads and scalable expansions, while 480 VAC operation aligns with common industrial distribution schemes, enhancing system integrity and safety. Auxiliary switch and shunt trip options enable remote control and fast isolation in emergency scenarios, reducing risk and enabling safer startup/shutdown sequences in complex automation architectures. Line and Load configuration with 50/60 Hz compatibility provides straightforward installation and guaranteed performance under varying industrial power conditions, helping facilities meet performance targets and regulatory requirements. Certifications UL Listed, IEC Rated, and CSA Certified reinforce compliance across global markets, supporting OEM accreditation and customer confidence in critical protection strategies.
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FAQs
NGS312032MCA12S03Z08 is a three-pole NG frame MCCB designed for Series G applications. It supports line-and-load mounting, 50/60 Hz operation, and a 1200 A rating at 480 VAC. For compatibility, match the panel’s bus rating, space for a 16.5 in width, and ensure proper wiring ergonomics to enable Digitrip 310 RMS and LSI trip functionality without hindering tampers or accessories.
Digitrip 310 RMS provides fast, accurate overcurrent protection with a lasting solid-state trip unit, while LSI (Long Time, Short Time, Instant) trip logic enables selective coordination. This reduces nuisance tripping and improves bank-to-bank protection in multi-panel distributions, particularly in motor control centers where staged fault isolation minimizes impact on downstream processes.
Yes. With a 1200 A rating, three-pole design, and 480 VAC protection, this MCCB is well suited for motor control centers and process lines requiring robust phase coordination. The option for aux switch or shunt trip adds remote control capabilities, supporting safe motor isolation during maintenance and emergency shutdowns without sacrificing performance.
The NGS312032MCA12S03Z08 carries UL Listed, IEC Rated, and CSA Certified marks. These certifications verify broad safety and performance compliance, simplifying procurement across regulated industries and enabling easier integration into systems that must meet multiple national and international standards.
Maintenance hinges on Digitrip 310 RMS functionality and periodic inspection of auxiliary/shunt trip mechanisms. ROI benefits include reduced nuisance trips, lower downtime, and longer equipment life due to precise protection. Upgrading also supports easier panel modernization, improved safety, and better future-proofing for expanding electrical infrastructure.