Eaton MPSC403HEAXX2C Magnum LV Circuit Breaker - UL Listed

Part Number: MPSC403HEAXX2C
MPSC403HEAXX2C
Manufacturer
Eaton
Part number
MPSC403HEAXX2C
Category

Quick Summary

The Eaton Magnum low-voltage power circuit breaker provides precise protective trips for motor feeders in industrial power systems. Engineers often wrestle with nuisance trips and poor coordination during upgrades; this breaker helps by integrating the Power Xpert Release trip unit. Certifications including UL Listed, CE Marked, and KEMA Certified underscore global compliance for motor control and safety. Beyond protection, its fixed horizontal mounting and three-pole design streamline installation in panel buses and switchgear, delivering measurable uptime. Its 100 kA interrupting rating and 4000 A frame support high-load applications from manufacturing lines to process industries. The result is improved reliability, faster fault isolation, and easier compliance documentation for audits and upgrades.

Product Information

Extended Description

MPSC403HEAXX2C Eaton: Eaton Magnum low voltage power circuit breaker, Magnum PXR, Double standard frame, 4000 A (ABCABC), 100 kA, Three-pole, Fixed horizontal mounting, PXR20 LSIG trip unit
Product Name
Eaton Magnum low voltage power circuit breaker
Catalog Number
MPSC403HEAXX2C
UPC
786689634254
Product Length/Depth
16.3 in
Product Height
16.8 in
Product Width
31.1 in
Product Weight
237 lb
Compliances
CCC Marked CE Marked NEMA Compliant SABA Listed
Certifications
KEMA Certified UL Listed Lloyd's Register Certified ANSI CSA Certified ABS Certified DNV GL 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 Magnum PXR low voltage power circuit breakers user manual Magnum PXR low voltage power circuit breakers user manual Magnum PXR low voltage power circuit breakers user manual 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 - MPSC403HEAXX2C Eaton Specification Sheet - MPSC403HEAXX2C Magnum low-voltage power circuit breakers (ANSI and IEC) renewal parts and accessories Magnum PXR 20/25 electronic trip units time current curves Safer by design: arc energy reduction techniques Safer by design: arc energy reduction techniques Safer by design: arc energy reduction techniques
High current rating and interrupting capacity provide robust protection for heavy-load circuits. The 4000 A frame and 100 kA Icu ensure faults are isolated quickly, reducing energy transfer and equipment damage. This is ideal for motor feeders and high-demand feeders in manufacturing and process industries. The Power Xpert Release PXR20 LSIG trip unit enables advanced protection coordination and selective tripping, reducing nuisance trips while offering diagnostic data through Power Xpert Protection Manager for easier commissioning and ongoing supervision. Fixed horizontal mounting combined with a three-pole design simplifies installation, improves bus bar alignment, and supports standard double-frame configurations in switchgear. Certifications and compliance options—UL Listed, CE Marked, KEMA Certified, ANSI, CSA, ABS, DNV GL—streamline global procurement and regulator-ready documentation. Documentation access and reliable after-sales support reduce downtime and extend asset life in demanding environments.

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FAQs

Key specs include a 4000 A frame rating, 100 kA short-circuit interrupting capacity (Icu), three-pole configuration, fixed horizontal mounting, and the PXR20 LSIG trip unit. It also supports a compact footprint with dimensions of roughly 16.3 in depth, 16.8 in height, and 31.1 in width, with a weight of 237 lb.
Yes. The MPSC403HEAXX2C uses the Power Xpert Release (PXR) trip unit, enabling integration with Power Xpert Protection Manager for protection coordination, diagnostics, and remote monitoring in industrial automation environments.
The breaker is UL Listed and CE Marked, with KEMA Certification and additional approvals including ANSI, CSA, ABS, and DNV GL. It is also listed as NEMA Compliant and SABA Listed, supporting global regulatory requirements and multi-region procurement.
It features fixed horizontal mounting on a three-pole arrangement and is built on a double standard frame, designed for straightforward panelboard and switchgear integration with efficient alignment and reduced installation time.
Ideal for industrial power distribution and motor feeders in manufacturing and process facilities, where high fault current protection (100 kA Icu) and reliable coordination with protection systems (Power Xpert) are critical for uptime and safety.