Eaton PXBCM-MME-X21-100MA Branch Circuit Monitor - UL Listed
Part Number: PXBCM-MME-X21-100MA
Quick Summary
The Eaton Power Xpert branch circuit monitor external provides real-time power and demand data for electrical distributions. Many teams struggle to gain visibility into branch circuits without blocking panels or invasive wiring. It carries CE Marking and UL Recognized certification, supporting compliance across international sites, with Modbus RTU/TCP for seamless EMS integration. Designed for PXBCM-MB compatibility, it supports 21 external 100 mA CT inputs and 4 auxiliary CT voltage inputs for comprehensive energy analytics across single- and three-phase systems. With Modbus TCP and RS-485 communications, it integrates into standard energy management platforms, delivering actionable insights that reduce downtime and energy costs.
Product Information
Extended Description
PXBCM-MME-X21-100MA Eaton: Eaton Power Xpert Branch circuit monitor meter module external, 21 external 100 mA CT inuts, 4 Aux 333 mV CT inputs, max 277V L-N, 480V L-L, single-, three-phase, used with PXBCM-MB
Product Name
Eaton Power Xpert branch circuit monitor meter module external
Catalog Number
PXBCM-MME-X21-100MA
UPC
786689241445
Product Length/Depth
4.5 in
Product Height
1.5 in
Product Width
8.5 in
Product Weight
1 lb
Compliances
CE Marked
Certifications
UL Recognized
Used with
PXBCM-MB
ANSI % revenue accuracy
C12.20 (0.5)
Communications
Modbus RTU (RS - 485) Modbus TCP
Current sensor input
100 mA
Number of CT inputs
Single-phase, three-phase
Instrumentation
Wh --Net Current & Voltage - 3 Phase Max Current Demand Vah Current & Voltage - Per Phase Watts Va demand Current & Voltage - 3 Phase Average Watt Demand Wh --Positive & Negative Va
Voltage rating
277V L-N, 480V L-L
Power Xpert Branch Circuit Monitor (PXBCM) installation guide
Eaton's Power Xpert Branch Circuit Monitor
Eaton Specification Sheet - PXBCM-MME-X21-100MA
Power Xpert Branch Circuit Monitor meter module external IL150002EN
Power Xpert Branch Circuit Monitor meter module external IL150002EN
Power Xpert Branch Circuit Monitor meter module external IL150002EN
Feature: 21 external 100 mA CT inputs plus 4 auxiliary 333 mV CT inputs enable high-resolution current and voltage measurement. Impact: Enables detailed load profiling and precise demand calculation, improving peak-shaving strategies and reducing energy waste. Application: Large panel arrays and facilities with diverse feeders benefit from granular energy analytics and per-circuit visibility. Feature: Wide voltage compatibility with 277V L-N and 480V L-L support for single-phase and three-phase systems. Impact: Flexible deployment across manufacturing plants, data centers, and commercial buildings without custom adaptors. Application: Suitable for mixed-voltage infrastructures that require a single monitoring platform. Feature: Modbus RTU RS-485 and Modbus TCP communications. Impact: Seamless integration with EMS/SCADA systems, enabling centralized monitoring and minimal integration time. Application: Networked energy management and remote diagnostics across multiple sites. Feature: ANSI C12.20 revenue accuracy (0.5%). Impact: Revenue-grade energy measurement improves billing accuracy and procurement decisions. Application: Facility billing, energy markets, and compliance reporting. Feature: Certifications CE Marked and UL Recognized. Impact: Validates global applicability and regulatory compliance, reducing deployment risk. Application: International rollouts and certified installations in regulated environments. Feature: PXBCM-MB compatibility and external meter design. Impact: Fast installation with existing Power Xpert infrastructure, minimizing downtime. Application: Upgrades to legacy monitoring schemes and scalable energy analytics across facilities.
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FAQs
The PXBCM-MME-X21-100MA is designed for straightforward integration with the PXBCM-MB. Ensure power is off, connect the CT inputs to the 21 external 100 mA sensors and the four 333 mV auxiliary inputs as per the installation guide, then connect Modbus communications to your EMS/SCADA network. The installer guide provides step-by-step wiring diagrams and parameter settings for a fast, compliant deployment.
The device delivers ANSI C12.20 revenue accuracy of 0.5%, which matters for billing integrity and procurement decisions. This level of precision supports accurate energy accounting across single-phase and three-phase systems, helping avoid revenue leakage and justified energy-management investments.
Yes. The module supports single-phase and three-phase configurations and offers 277V L-N and 480V L-L ratings, enabling flexible deployment across diverse electrical systems without additional hardware.
The PXBCM-MME-X21-100MA is CE Marked and UL Recognized, validating global compliance and suitability for regulated environments and international installations.
Expect improved energy visibility, accurate demand profiling, and faster fault detection. With Modbus RTU/TCP, EMS integration is streamlined, supporting proactive maintenance, reduced downtime, and optimized energy procurement across facilities.