Eaton PXM350MA6521-3B Enclosed Meter - NEMA 3R
Part Number: PXM350MA6521-3B
Quick Summary
Eaton enclosed meter provides accurate, front‑end power monitoring for commercial and industrial electrical panels. It helps engineers quickly verify energy usage and detect anomalies without invasive wiring. This solution supports CE Marked compliance and ANSI/IEEE C12.20 (0.2% accuracy) along with IEC 687 (0.2% accuracy), reinforcing reliability in critical installations. With a 480 Vac supply and Modbus communication, it scales from small control panels to larger switchgear enclosures. Secondary benefits include streamlined procurement through a single, integrated metering device and improved project timelines thanks to plug‑and‑play compatibility and clear faceplate readability.
Product Information
Extended Description
PXM350MA6521-3B Eaton: Eaton enclosed meter, PXM350MA6521,NEMA3R,CPT (480Vac),3PH/4W Main Fused Voltage Disconnect,CT Shorting Block,Fused Control Power Disconnect
Product Name
Eaton enclosed meter
Catalog Number
PXM350MA6521-3B
UPC
786689351588
Product Length/Depth
8 in
Product Height
24 in
Product Width
16 in
Product Weight
100 lb
Compliances
CE Marked
Certifications
ANSI/IEEE Std C12.20 (0.2% accuracy) ANSI/IEEE Std C62.41 IEC 687 (0.2% accuracy)
Type
Enclosed meter
Voltage rating
480 V L-L
Power supply
480 Vac
Enclosure
NEMA 3R
Enclosure size
24”H x 16”W x 8”D
Number of meters
1
Display
Meter Faceplate
Frequency rating
50/60 Hz
Communication
Modbus
Degree of protection
NEMA 3R
Metering devices, protective relays, software and connectivity
Metering devices, protective relays, software and connectivity
Eaton's Enclosed Meters
Eaton Specification Sheet - PXM350MA6521-3B
Feature: Enclosed Meter in a NEMA 3R weather‑resistant enclosure → Business Impact: Protects metering electronics from dust, moisture, and incidental impact, reducing field failures and maintenance costs. Application: Ideal for outdoor or harsh indoor environments in industrial facilities. Feature: 480 V L-L, 3PH/4W main fused voltage disconnect with CT shorting block → Business Impact: Enhances safety and simplifies installation by providing integrated protection and accurate current sensing, lowering commissioning time. Application: Motor control centers and panel boards where robust protection improves uptime. Feature: Fused control power disconnect → Business Impact: Enables safe service isolation and reliable power for metering electronics, reducing downtime during maintenance. Application: Control panels in manufacturing lines that require dependable power sequencing. Feature: Modbus communication → Business Impact: Facilitates seamless integration with building management systems and energy management software, supporting centralized monitoring and data analytics. Application: Industrial facilities pursuing energy optimization and asset visibility. Feature: Compact dimensions and 24"H x 16"W x 8"D enclosure size, 100 lb weight → Business Impact: Space‑efficient installation negotiates tight panel spaces, with easier mounting and relocation. Application: Wall mount or panel mounting in compact control rooms and switchgear rooms. Support considerations: ANSI/IEEE C12.20 (0.2% accuracy) and C62.41 certifications ensure measurement reliability under transient conditions, while CE Marking confirms global compliance, reducing regulatory risk for multinational projects.
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FAQs
This unit uses a 24"H x 16"W x 8"D NEMA 3R enclosure, with a single meter faceplate, CT shorting block, and fused main disconnect. Plan panel space accordingly, ensure proper clearance for access, and verify mounting provisions match your enclosure layout to simplify wiring and commissioning.
Yes. The meter supports Modbus communication, enabling straightforward data integration with energy management systems and SCADA. For optimal results, configure the Modbus address, baud rate, and data registers per the Eaton specification sheet and verify network topology to avoid address conflicts.
The PXM350MA6521-3B is CE marked and certified to ANSI/IEEE Std C12.20 (0.2% accuracy), ANSI/IEEE Std C62.41, and IEC 687 (0.2% accuracy). These certifications support reliability under transients, regulatory compliance for international deployments, and consistent metering performance.
The meter is rated for 480 V line-to-line, 3-phase/4-wire, with a 50/60 Hz frequency rating and a 480 Vac power supply. It includes a NEMA 3R enclosure and a faceplate display, designed for industrial environments requiring robust, accurate energy measurement.
Benefits include reduced wiring complexity, faster commissioning, and lower total cost of ownership due to integrated protection features and reliable metering data. With Modbus connectivity, asset performance can be monitored remotely, enabling proactive maintenance and energy optimization across multiple panels and facilities.