Eaton MPSC164WEAXX2F Magnum low voltage power circuit breaker - UL Listed
Part Number: MPSC164WEAXX2F
Quick Summary
The Magnum low voltage power circuit breaker from Eaton provides robust overcurrent protection for industrial power distribution. Engineers often grapple with nuisance trips, poor coordination, and downtime in panels guarding large motor loads. This unit carries UL Listed, CE Marked, and ANSI/CSA certifications to support global compliance and safe operation. The four-pole design with a standard frame and drawout vertical mounting simplifies upgrade paths, while the PXR20 LSIG ARMS trip unit enables precise selectivity and rapid fault isolation. By pairing high interrupt capability with Power Xpert Protection Manager compatibility, it delivers measurable business value through reduced downtime, easier maintenance, and improved protection coordination across critical plant feeders.
Product Information
Extended Description
MPSC164WEAXX2F Eaton: Eaton Magnum low voltage power circuit breaker, Magnum PXR, Standard frame, 1600 A, 100 kA, Four-pole, Drawout vertical mounting, PXR20 LSIGAM trip unit
Product Name
Eaton Magnum low voltage power circuit breaker
Catalog Number
MPSC164WEAXX2F
UPC
786689639655
Product Length/Depth
14.6 in
Product Height
16.8 in
Product Width
21.2 in
Product Weight
160 lb
Compliances
CCC Marked NEMA Compliant SABA Listed CE Marked
Certifications
KEMA Certified ANSI CSA Certified Lloyd's Register Certified UL Listed ABS Certified DNV GL Certified
Frame
Standard
Number of poles
Four-pole
Type
Magnum PXR
Frame
Standard
Series
Magnum
Trip Type
PXR20 LSIG ARMS
Number of poles
Four-pole
Rated uninterrupted current (Iu)
1600 A
Interrupt rating
100 kAIC
Interrupt rating
100 kAIC
Rated uninterrupted current (Iu)
1600 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
Power Xpert Release trip unit for Magnum PXR circuit breakers PXR 20/25 user manual
Power Xpert Release trip unit for Magnum PXR circuit breakers PXR 20/25 user manual
Power Xpert Release trip unit for Magnum PXR circuit breakers PXR 20/25 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 - MPSC164WEAXX2F
Eaton Specification Sheet - MPSC164WEAXX2F
Magnum low-voltage power circuit breakers (ANSI and IEC) renewal parts and accessories
Magnum PXR 20/25 electronic trip units time current curves
Cyber security white paper
Cyber security white paper
Cyber security white paper
Four-pole, standard-frame construction with drawout vertical mounting delivers scalable protection for large power distribution networks, enabling clean isolation during maintenance and straightforward panel upgrades. This configuration supports uninterrupted service for critical feeders and aligns with common industrial enclosures, reducing installation risk and commissioning time. The PXR20 LSIG ARMS trip unit provides advanced protection and selective coordination, enabling targeted tripping and minimized impact on downstream circuits while simplifying settings management. With a 100 kAIC interrupt rating and 1600 A Iu, the breaker withstands high fault currents typical of heavy motor loads, improving reliability and reducing unplanned downtime. Global certifications, including UL Listed and CE Marked, facilitate compliant deployments across regions, while Power Xpert Protection Manager compatibility supports remote monitoring and tighter asset control. The standard frame and drawout design streamline installation, maintenance, and future upgrades in evolving plant layouts.
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FAQs
Ensure the panel frame is compatible with a four-pole Magnum PXR unit, verify the drawout vertical mounting rails align with the bus bars, and follow Eaton's installation manual. Connect line and load terminals per markings, torque to specified values, and verify the PXR20 LSIG ARMS trip unit is seated properly for correct protection coordination.
MPSC164WEAXX2F provides a rated uninterrupted current (Iu) of 1600 A and an interrupt rating of 100 kAIC, in a four-pole, standard-frame assembly. It features a PXR20 LSIG ARMS trip unit and a drawout vertical mounting arrangement suitable for main feeders and panelboards. Designed for high-duty industrial environments with reliable coordination and fault clearing.
Yes. The four-pole Magnum PXR device is intended for main feeders and critical panels, offering reliable overcurrent protection, selective coordination with downstream devices, and compatibility with Eaton's Power Xpert Protection Manager for monitoring. Its standard frame and drawout design also support easy upgrades for large plants, data centers, and manufacturing lines.
The breaker carries UL Listed and CE Marked certifications, along with ANSI and CSA approvals. Additional certifications from KEMA, Lloyd's Register, ABS, and DNV GL support broader regulatory acceptance. CCC Marked and NEMA compliance further enhance suitability for North American, European, and international installations.
The PXR20 LSIG ARMS trip unit enables selective protection with reduced nuisance trips, improving availability. Power Xpert Protection Manager integration allows remote monitoring, event logging, and streamlined firmware updates. Renewal parts and modular design extend service life and lower lifecycle costs, making it a practical choice for mission-critical protection in demanding facilities.