Eaton RGH316039B21EA12B05S Molded Case Breaker - UL Listed
Part Number: RGH316039B21EA12B05S
Manufacturer
Eaton
Part number
RGH316039B21EA12B05S
Quick Summary
The Eaton Series G molded case breaker protects high-current power feeds in switchgear and main distribution panels. Engineers often face nuisance trips and cramped coordination when selecting protective devices; this unit offers precise trip settings and LSIG alarms for safer operation. It carries UL Listed, IEC rated, and CSA certified performance, ensuring compliance in North American and international panels. Designed for reliability and scalable protection, it supports large installations and streamlined maintenance planning, reducing downtime and total cost of ownership. With compatible accessories and straightforward installation, this MCCB integrates into existing gear while delivering consistent protection across critical processes.
Product Information
Extended Description
RGH316039B21EA12B05S Eaton: Eaton Series G complete molded case circuit breaker, RGH, Three-pole, LSIG arms, 1600A, English terms, Shunt, Aux alarm, GFA
Product Name
Eaton Series G complete molded case circuit breaker
Catalog Number
RGH316039B21EA12B05S
UPC
786689397395
Product Length/Depth
533 mm
Product Height
457 mm
Product Width
470 mm
Product Weight
46266 g
Certifications
UL Listed IEC Rated CSA Certified
Type
Series G
Amperage Rating
1600 A
Trip Type
T258
Protection
LSIG with arms
Number of poles
Three-pole
Circuit Protection, Molded Case Circuit Breakers, Volume 4, Tab 2
Eaton Specification Sheet - RGH316039B21EA12B05S
High amperage rating of 1600 A enables robust protection for main feeders in demanding facilities, reducing the risk of unexpected downtime and enabling more reliable energy distribution in data centers and manufacturing floors. This three-pole design with LSIG arms provides clear internal signaling and safer operation during fault events, improving maintenance planning and fault diagnosis in panel assemblies. The T258 trip type delivers precise coordination with upstream devices, supporting safer interlock sequences and accurate selective tripping in complex electrical systems. Accessory options such as shunt trip, auxiliary alarm, and ground fault alarm (GFA) extend remote control and monitoring capabilities, enhancing safety and reducing on-site visits for status verification. The unit’s UL Listed, IEC Rated, and CSA Certified status, along with Eaton’s MCCB catalog alignment, simplifies procurement, warranty coverage, and cross-border compliance. Dimensions and weight are specified for exact enclosure fit, aiding mechanical integration and reducing rework during panel design. Compatibility with Volume 4 Tab 2 catalog resources ensures streamlined sourcing and consistent spare-part availability across projects.
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FAQs
The RGH316039B21EA12B05S is a three-pole Series G molded case circuit breaker designed for mains and distribution panels. With a 1600 A rating, LSIG with arms, and standard 533 mm depth, 457 mm height, and 470 mm width, it fits many Eaton MCCB-compatible enclosures. The unit supports shunt trip and auxiliary alarm options for remote signaling, improving integration with modern protection schemes without replacing entire panels.
This breaker features a T258 trip type, delivering precise coordination for selective tripping in multi‑device systems. It provides LSIG protection with arms, enabling status indication during faults. Rated at 1600 A, it is suitable for large feeders and robust distribution networks. Certifications include UL Listed, IEC rated, and CSA Certified, ensuring compliance across global installations.
Ideal for heavy-load switchgear, main distribution panels, and large industrial feeders, including data centers and manufacturing plants. Its 3-pole arrangement and LSIG signaling support reliable three-phase protection, while the 533 × 470 × 457 mm footprint helps planners fit it into standard Eaton MCCB enclosures. Remote accessories like shunt trip and auxiliary alarm extend control in critical processes.
The unit carries UL Listed, IEC Rated, and CSA Certified markings, confirming compliance with North American and international electrical safety and performance standards. These certifications support regulatory approvals for panel assemblies, reduce validation time during audits, and help ensure consistent performance in diverse operating environments.
Installation benefits include straightforward integration with existing Eaton catalogs and compatible enclosures, plus availability of shunt trip and auxiliary alarm accessories for enhanced monitoring. Maintenance advantages come from clear LSIG signaling, reliable trip coordination, and long-term availability through standard MCCB parts catalogs, contributing to reduced downtime, quicker fault diagnosis, and lower total cost of ownership over the equipment lifecycle.