Eaton NGS312033MCA12S03* Molded Case Breaker - UL Listed
Part Number: NGS312033MCA12S03*
Quick Summary
Eaton NGS312033MCA12S03* molded case circuit breaker protects electrical systems in industrial control panels. Engineers often struggle with nuisance trips, downtime, and coordination between protection devices, leading to wasted maintenance and extended outages. This unit carries UL Listed, CSA Certified, and IEC Rated certifications, supporting global compliance and safer operations across diverse markets. With a Series G three-pole design, 1200 A rating, and 480 Vac capability, it delivers reliable protection for demanding workloads. The compact enclosure, 6 in depth, 9 in height, and 16.5 in width, together with 48 lb weight, simplifies installation in space-constrained panels while maintaining 50/60 Hz compatibility and 100% rated performance for critical processes.
Product Information
Extended Description
NGS312033MCA12S03* Eaton: Eaton Series G electronic molded case circuit breaker, NG-frame, NG, Digitrip 310 RMS, 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, with aux, s/t, l/l terms
Product Name
Eaton Series G molded case circuit breaker
Catalog Number
NGS312033MCA12S03*
UPC
786689790103
Product Length/Depth
6 in
Product Height
9 in
Product Width
16.5 in
Product Weight
48 lb
Certifications
UL Listed CSA Certified IEC Rated
Type
Series G
Digitrip 310 RMS electronic trip protects equipment by delivering precise overload and short-circuit sensing, reducing nuisance trips and unplanned downtime, which translates to higher plant uptime and lower maintenance costs. This unit's three-pole Series G design provides balanced protection for three-phase motors and feeders, ensuring coordinated trip curves and safer startup sequences in manufacturing lines. The high fault-current ratings of 85 kAIC at 240 Vac and 50 kAIC at 480 Vac withstand major faults without arcing, preserving circuit integrity and limiting downstream damage. With 100% rated performance at 50/60 Hz, and line/load terminations plus metric mounting, installation is straightforward for both new builds and panel refurbishments, reducing commissioning time and field errors. The Digitrip system and optional aux/s/t/l/l terms enable flexible control wiring and remote signaling, boosting automation reliability. UL/CSA/IEC certifications simplify multi‑jurisdiction compliance for OEMs and integrators while minimizing procurement risk. The compact footprint and modest weight support dense panel layouts, enabling tighter electrical rooms and easier service access, with scalable protection that grows with future capacity.
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FAQs
It supports line and load terminations with metric mounting, 50/60 Hz operation, and 100% rated performance. The device also accommodates auxiliary (aux), shunt/trip (s/t), and line-to-line (l/l) terminations to integrate with standard Eaton control circuits.
Three-pole configuration rated at 1200 A, 480 Vac, with fault-current ratings of 85 kAIC at 240 Vac and 50 kAIC at 480 Vac. Digitrip 310 RMS with LS trip provides precise protection against overloads and short circuits.
Yes. As a Series G molded case breaker, it supports three-pole protection for motors and feeders, offering reliable protection coordination and easy integration into motor control centers and panel feeders.
UL Listed, CSA Certified, and IEC Rated, ensuring compliance across US, Canada, and IEC-regulated markets and simplifying cross-border procurement.
Enclosure measures 6 in depth, 9 in height, and 16.5 in width, with a weight of 48 lb, enabling flexible placement in space-constrained panels and easier handling during installation.