Eaton MPSC403VEAXX2C Magnum LV Breaker - PXR20 LSIG

Part Number: MPSC403VEAXX2C
Manufacturer
Eaton
Part number
MPSC403VEAXX2C

Quick Summary

Eaton Magnum low voltage power circuit breaker provides reliable overcurrent protection for industrial power distribution and machine controls. Engineers often struggle to balance fast fault clearance with coordination in multi-motor systems, and downtime can cost you dearly. This unit’s PXR20 LSIG trip enables precise coordination, faster fault clearance, and scalable protection across panels, while certifications such as UL Listed, CSA Certified, and CE Marked support global compliance. By leveraging Magnum’s modular design and Power Xpert compatibility, plants realize faster commissioning, easier maintenance, and improved energy-management capabilities across the electrical distribution network.

Product Information

Extended Description

MPSC403VEAXX2C Eaton: Eaton Magnum low voltage power circuit breaker, Magnum PXR, Double standard frame, 4000 A (ABCABC), 100 kA, Three-pole, Fixed vertical mounting, PXR20 LSIG trip unit
Product Name
Eaton Magnum low voltage power circuit breaker
Catalog Number
MPSC403VEAXX2C
UPC
786689634872
Product Length/Depth
16.3 in
Product Height
16.8 in
Product Width
31.1 in
Product Weight
237 lb
Compliances
NEMA Compliant CE Marked CCC Marked SABA Listed
Certifications
CSA Certified ANSI KEMA Certified UL Listed Lloyd's Register Certified ABS Certified DNV GL Certified
Feature → The PXR20 LSIG trip unit delivers adjustable tripping curves and precise coordination, reducing nuisance trips and improving process reliability. Business Impact → Fewer unexpected stops, lower maintenance costs, and safer start-ups for motors and drives. Application → Suitable for packaging lines, conveyors, and high-demand machine control panels where tight protection coordination matters. Feature → High interrupt capacity of 4000 A (ABCABC) and a 100 kA short-circuit rating provides robust downstream protection. Business Impact → Resilient feeder protection that minimizes cascading faults and equipment damage in busy manufacturing environments. Application → Large motors, line feeders, and critical process lines in heavy industry. Feature → Fixed vertical mounting with a compact footprint simplifies retrofits and new installations. Business Impact → Faster installation, reduced cabinet depth, and lower on-site labor requirements. Application → Standard enclosures and retrofit projects in existing control panels. Feature → Power Xpert Protection Manager compatibility enables centralized monitoring and diagnostics. Business Impact → Improved asset visibility, proactive maintenance, and data-driven optimization. Application → Multi-panel systems and plants pursuing Industry 4.0 objectives. Feature → Zone selective interlocking documentation supports optimal protection settings. Business Impact → Minimized downtime by selective tripping downstream of faults. Application → Complex motor starts and multi-drive arrangements in automation lines.

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FAQs

The MPSC403VEAXX2C integrates with Eaton Power Xpert Protection Manager via its PXR trip unit, enabling centralized monitoring, fault diagnostics, and event logging. It supports standard protocols and can be configured within PXPM to coordinate protection across multi-panel installations.
This unit is a three-pole Magnum breaker with a 4000 A interrupt capacity (ABCABC) and a 100 kA short-circuit rating. It uses a PXR20 LSIG electronic trip unit for precise coordination and overload protection.
Yes. With the PXR20 LSIG, Zone Selective Interlocking options, and documented selective coordination guidance, it can be configured to minimize downstream trips, improving system availability in multi-motor lines.
The MPSC403VEAXX2C is UL Listed, CSA Certified, and CE Marked, with additional conformance to NEMA, CCC, SABA listings, and other approvals for global deployment.
Use Magnum renewal parts and accessories documented by Eaton for the PXR series. Refer to the Magnum renewal parts datasheet to ensure long-term availability and compatibility with the MPSC403VEAXX2C.