Eaton MPS8603EEAXX2A Magnum LV Circuit Breaker - UL Listed

Part Number: MPS8603EEAXX2A
MPS8603EEAXX2A
Manufacturer
Eaton
Part number
MPS8603EEAXX2A
Category

Quick Summary

Eaton Magnum low voltage power circuit breaker is a high-capacity protective device for industrial switchgear and distribution panels. In practice, engineers contend with achieving precise protection coordination and avoiding nuisance trips across complex multi-load networks. This model carries CE Marked, UL Listed, and CSA Certified credentials with KEMA and Lloyd’s Register endorsements, enabling global deployment. With the Power Xpert Release PXR20 trip unit and a rugged drawout vertical frame, installation, configuration, and maintenance become more efficient. For panel builders and plant owners, the 6000 A interrupting capacity and 85 kA short-circuit rating translate into safer startups and reduced downtime. Overall, it supports scalable protection strategies from retrofit upgrades to new installations.

Product Information

Extended Description

MPS8603EEAXX2A Eaton: Eaton Magnum low voltage power circuit breaker, Magnum PXR, Double standard frame, 6000 A (ABCABC), 85 kA, Three-pole, Drawout vertical with extensions mounting, PXR20 LSI trip unit, Vertical interleaf
Product Name
Eaton Magnum low voltage power circuit breaker
Catalog Number
MPS8603EEAXX2A
UPC
786689638245
Product Length/Depth
16.3 in
Product Height
16.8 in
Product Width
31.1 in
Product Weight
237 lb
Compliances
CE Marked CCC Marked NEMA Compliant SABA Listed
Certifications
KEMA Certified Lloyd's Register Certified CSA Certified ANSI UL Listed DNV GL Certified ABS Certified
Zone selective interlocking application paper Magnum circuit breakers with Power Xpert Release trip units product aid Selevctive coordination application paper - IA0120000E3 Magnum PXR and PD-SB double and double narrow frame UL Certificate of Compliance Magnum PXR and PD-SB double and double narrow frame UL Certificate of Compliance Microsoft Word - Power Xpert Protection Manager Quick Start Guide.docx Microsoft Word - Power Xpert Protection Manager Quick Start Guide.docx Microsoft Word - Power Xpert Protection Manager Quick Start Guide.docx Circuit Protection, Power Breakers, Contactors and Fuses, Volume 4, Tab 3 Power Xpert Protection Manager x64 22.6 1 Power Xpert Protection Manager x64 22.6 1 Eaton Specification Sheet - MPS8603EEAXX2A Eaton Specification Sheet - MPS8603EEAXX2A Magnum low-voltage power circuit breakers (ANSI and IEC) renewal parts and accessories Magnum PXR 20/25 electronic trip units time current curves Molded case and low-voltage power circuit breaker health Molded case and low-voltage power circuit breaker health Molded case and low-voltage power circuit breaker health
Power Xpert Release PXR20 LSI trip unit provides precise, adjustable protection settings and fast settlement times. This enhances protective coordination and reduces nuisance trips across critical loads, especially in multi-panel systems. Application includes industrial distribution panels, switchgear, and plant-wide feeders where quick, reliable protection is essential. Drawout vertical frame with extensions mounting enables quick breaker insertion and easier retrofits. This minimizes downtime and wiring modifications during maintenance while supporting seamless integration with existing Eaton infrastructure. The design delivers 6000 A interrupting capacity and an 85 kA short-circuit rating, delivering robust fault handling for heavy industrial feeders. It improves safety margins and reduces the risk of equipment damage during faults, ideal for substations and large panels. Certifications such as UL Listed, CE Marked, CSA Certified, along with KEMA and Lloyd’s Register endorsements, simplify global procurement and regulatory readiness. The Magnum PXR ecosystem supports centralized protection management through Eaton’s software tools, enabling scalable protection strategies. Integration with Power Xpert Protection Manager streamlines configuration, monitoring, and maintenance across facilities, reducing lifecycle costs and downtime for plant operators.

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FAQs

Yes. The MPS8603EEAXX2A is designed for use with the Magnum PXr protection platform and features a drawout vertical frame with extensions, enabling straightforward retrofits into existing switchgear and panelboards while preserving protection coordination.
Critical specs include three-pole construction, 6000 A interrupting capacity, and an 85 kA short-circuit rating. It houses the PXR20 LSI trip unit for adjustable protection, and its dimensions (approx. 16.3 in length, 16.8 in height, 31.1 in width) aid in equipment layout planning.
The Magnum PXr family supports advanced coordination strategies, and Zone Selective Interlocking (ZSI) capability is documented for PXr-enabled configurations. Ensure proper pairing with ZSI-compatible accessories and review Eaton’s application papers for installation guidance.
It is UL Listed, CE Marked, and CSA Certified, with additional KEMA and Lloyd’s Register endorsements. These certifications support global regulatory compliance, supplier qualification, and safer cross-border procurement for manufacturing plants.
Benefits come from extended service life, reduced nuisance trips, and centralized protection management via Power Xpert Protection Manager. The unit’s robust 6000 A Icu and 85 kA rating minimize fault-related downtime, while the PXr trip unit streamlines settings, reducing maintenance labor and outage duration.