Eaton Magnum circuit breaker MPSC503HEAXX2Q - UL Listed

Part Number: MPSC503HEAXX2Q
MPSC503HEAXX2Q
Manufacturer
Eaton
Part number
MPSC503HEAXX2Q
Category

Quick Summary

Eaton Magnum circuit breaker MPSC503HEAXX2Q provides reliable overcurrent protection for main feeders in industrial plants. Engineers often wrestle with nuisance trips, poor coordination with selective protection (ARP/ZSI), and limited fault visibility in complex networks. This unit carries UL Listed, CSA Certified, and CE Marking, plus KEMA and Lloyd's Register certifications to support global builds. Together with Magnum PXR trip technology and Power Xpert Protection Manager compatibility, it enables fast commissioning, improved maintenance, and lower total cost of ownership.

Product Information

Extended Description

MPSC503HEAXX2Q Eaton: Eaton Magnum low voltage power circuit breaker, Magnum PXR, Double standard frame, 5000 A (ABCABC), 100 kA, Three-pole, Fixed horizontal mounting, PXR25 LSIAM trip unit
Product Name
Eaton Magnum low voltage power circuit breaker
Catalog Number
MPSC503HEAXX2Q
UPC
786689635121
Product Length/Depth
16.3 in
Product Height
16.8 in
Product Width
31.1 in
Product Weight
237 lb
Compliances
CCC Marked NEMA Compliant CE Marked SABA Listed
Certifications
KEMA Certified Lloyd's Register Certified ANSI CSA Certified UL Listed ABS Certified DNV GL Certified
Frame
Double standard
Number of poles
Three-pole
Type
Magnum PXR
Frame
Double standard
Series
Magnum
Trip Type
PXR25 LSI ARMS
Number of poles
Three-pole
Rated uninterrupted current (Iu)
5000 A
Interrupt rating
100 kAIC
Interrupt rating
100 kAIC
Rated uninterrupted current (Iu)
5000 A
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 - MPSC503HEAXX2Q Eaton Specification Sheet - MPSC503HEAXX2Q 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
Feature → Business Impact → Application: Three-pole frame with fixed horizontal mounting enables secure installation in standard panels, reducing commissioning time while ensuring consistent trip performance. This translates to improved line protection and less downtime in high-load industrial feeders. Application: Used in motor control centers and distribution panels where space is at a premium and reliable protection is critical. Feature → Business Impact → Application: 5000 A Iu rating and 100 kAIC interrupt capability provide robust fault clearing, supporting uptime targets in manufacturing lines and process facilities. Application: Suitable for harsh environments requiring sustained protection during transient events. Feature → Business Impact → Application: PXR25 LSI ARMS trip unit offers selective coordination, enabling precise fault isolation with minimal collateral damage. Application: Retrofit projects and new builds that demand scalable protection and diagnostics. Feature → Business Impact → Application: Double standard frame and compatibility with Power Xpert Protection Manager streamline commissioning and monitoring across the plant. Application: Global deployments needing unified protection management and reporting.

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FAQs

This unit uses a three-pole, fixed horizontal mounting with a double standard frame, designed for standard industrial panels and motor control centers, simplifying systematic retrofits and new builds.
Rated Iu is 5000 A with an interrupt rating of 100 kAIC, three-pole configuration, and a PXR trip unit capable of ARMS logic for selective coordination.
UL Listed, CSA Certified, and CE Marked, with KEMA Certified and Lloyd's Register Certified ratings among others, supporting global compliance and cross-border installs.
Ideal for industrial motor feeders and distribution panels in manufacturing and process facilities where high reliability, fast fault isolation, and lifecycle cost reduction matter.
With PXR25 LSI ARMS, Power Xpert Protection Manager compatibility, and documented maintenance advantages, it delivers predictable protection, easier diagnostics, and lower overall maintenance costs.