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10 Best Electric Sub Meter in 2026

This guide compares the top electric sub meter options for landlords and RV owners. Find accurate energy tracking for fair billing and solar monitoring.

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In this guide
  1. 01Top 3 picks
  2. 02Compare all 10
  3. 03In-depth reviews
  4. 04Buying guide
  5. 05Use and care
  6. 06Common questions
  7. 07Final verdict

Choosing the right electric sub meter helps you track energy usage accurately across different tenants or circuits. These devices provide essential data for billing and managing power consumption efficiently.

We compared ten leading models based on accuracy, installation ease, and communication features. Our list covers single-phase and three-phase options suitable for various residential and light industrial needs.

Each pick highlights key strengths and ideal use cases. While prices may vary over time, these selections offer reliable performance and value for diverse monitoring applications today.

Top 3 Picks for Best Electric Sub Meter

Best Budget

DAE DDM730 KIT
DAE DDM730 KIT

5.0Editor score

Internal CT pass-through
Din rail mounting
Cloud metering ready

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Editor's Choice

Digital Electric Sub Meters for Landlords
Digital Electric Sub Meters for Landlords

4.5Editor score

Easy ANSI 2S installation
Bright LCD readings
Pulse and Modbus support

Check price

Best Premium

DAE P153-200-S KIT
DAE P153-200-S KIT

4.5Editor score

Revenue-grade accuracy
UL CTEP approved
RS485 Modbus communication

Check price

Top 10 Best Electric Sub Meter in 2026 Compared

This side-by-side comparison highlights key specifications for all ten models. Use this table to quickly identify voltage ratings, amperage limits, and communication protocols.

ProductsSpecificationsEditor scorePrice
1Digital Electric Sub Meters for Landlords

Editor's Choice

Digital Electric Sub Meters for Landlords
120/240V Single Phase
200 Amp Capacity
ANSI Form 2S Socket
RS485 Modbus Support
4.5Editor score

Check price

2Digital Electric Sub Meter CL200

Editor's Choice

Digital Electric Sub Meter CL200
120/240V Single Phase
200 Amp Capacity
ANSI Form 2S Socket
RS485 Modbus Interface
4.8Editor score

Check price

3Series 2000 Single Phase

Best Premium

Series 2000 Single Phase
120/208/240V
200 Amp Rating
1PH/2W/3W Config
Outdoor Rated Enclosure
3.2Editor score

Check price

4DAE P153-200-S KIT

DAE P153-200-S KIT
120/240V Single Phase
200 Amp Rating
UL CTEP Approved
RS485 Modbus Protocol
4.5Editor score

Check price

5DAE DEM730P Electric kWh

DAE DEM730P Electric kWh
120/240V Single Phase
50 Amp Capacity
Internal CT Built-in
RS485 Modbus Option
4.4Editor score

Check price

6DAE P254-200-S KIT

DAE P254-200-S KIT
120-480V Three Phase
200 Amp Rating
UL CTEP Approved
RS485 Modbus Ready
4.5Editor score

Check price

7Single Phase kWh Meter Pass-Through

Single Phase kWh Meter Pass-Through
120/240V Single Phase
100 Amp Capacity
Pass-Through Design
Local or Remote Read
4.4Editor score

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8DAE DDM730 KIT

DAE DDM730 KIT
120/240V Single Phase
100 Amp Rating
Din Rail Mounting
Internal CT Pass-Through
5.0Editor score

Check price

9Universal Single Phase kWh Meter

Universal Single Phase kWh Meter
120/240V Single Phase
100 Amp Capacity
2 or 3-Wire
Pulse Output Remote
4.5Editor score

Check price

10E-Mon D-Mon E10-3208100-JKIT

E-Mon D-Mon E10-3208100-JKIT
120/208-240V
100 Amp Class 1000
1 or 2 Phase
KWh SubMeter Type
4.2Editor score

Check price

1. Digital Electric Sub Meters for Landlords – Best Overall Electric Sub Meter

Digital Electric Sub Meters for Landlords, 120/240V CL200 Single Phase 3 Wire, Electricity Usage Meter, Power Energy Meter, kWh Sub Meter, ANSI Form 2S Electric Submeters for RV Power, Rental Units4.5Editor scoreCheck price on Amazon
Digital Electric Sub Meters for Landlords
120/240V Single Phase
200 Amp CL200
ANSI Form 2S Socket
Pulse and Modbus Output

This digital energy meter leads our list with solid performance for landlords and RV owners. Its 4.5-star rating reflects reliable kWh tracking across diverse settings. The bright LCD and clear labeling make setup straightforward.

Pros

  • Easy ANSI 2S socket installation
  • Bright LCD with auto-cycle display
  • Pulse and Modbus communication
  • Solar import/export monitoring
  • EEPROM retains data during outages

Cons

  • Solid-state may not fit old sockets
  • Requires proper panel enclosure

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Key strengths include the ANSI 2S 4-jaw fit for quick snap-in installation. You can monitor total consumption, real-time draw, and solar flow. The Reverse-flow LED ensures safety by detecting polarity issues immediately.

Trade-offs involve the need for a standard meter socket base. It is not universal for all legacy systems. However, this limitation is acceptable given the precision and communication features it provides.

Ideal for rental units, garages, and off-grid cabins. It ensures fair billing and helps plan future energy upgrades. Choose this for dependable accuracy and seamless integration with existing electrical panels.

Seamless Integration

The labeled terminals simplify connecting line, load, and neutral. This design allows you to begin monitoring usage immediately through the bright LCD.

Versatile Monitoring

Perfect for DIY users seeking a reliable electric setup. The Pulse and Modbus options support simple trend tracking to identify high-load devices.

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2. Digital Electric Sub Meter CL200 – High-End Electric Sub Meter

Digital Electric Sub Meter CL200 120/240V ANSI Form 2S RS485 Modbus4.8Editor scoreCheck price on Amazon
Digital Electric Sub Meter CL200
120/240V Single Phase
200 Amp Capacity
ANSI Form 2S Socket
RS485 Modbus Interface

The second pick is a refined model with a 4.8-star rating. It focuses on precise energy measurement and advanced communication. Ideal for professional setups needing detailed data tracking.

Pros

  • High accuracy energy measurement
  • Import/export for solar systems
  • Non-volatile EEPROM storage
  • Backlit multi-parameter LCD
  • Front infrared optical interface

Cons

  • Complex for non-technical users
  • Requires specific socket type

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It measures import and export energy for solar applications. The reverse current LED provides quick status feedback. RS485 Modbus allows centralized data collection across multiple meters easily.

The learning curve may be steeper for casual users. However, the professional configuration options justify the effort. It offers robust long-term monitoring records for complex electrical systems.

Best for landlords and property managers needing centralized control. The non-volatile memory ensures records survive power interruptions. Choose this for advanced energy management and professional-grade reliability.

Data Integrity

EEPROM retains important energy data during power interruptions. This helps maintain reliable long-term monitoring records without data loss.

Solar Compatibility

Ideal for solar systems and backup power setups. The reverse current LED ensures accurate bidirectional power monitoring.

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3. Series 2000 Single Phase – Reliable Electric Sub Meter

Series 2000 Single Phase Energy SubMeter, 200 Amp, 120/208/240V, 1PH/2W/3W3.2Editor scoreCheck price on Amazon
Series 2000 Single Phase
120/208/240V
200 Amp Rating
1PH/2W/3W Config
Outdoor Rated Enclosure

This model is designed for durability and versatile installation. Its 3.2 rating reflects mixed experiences but solid construction. It suits commercial or outdoor settings needing robust performance.

Pros

  • Durable outdoor enclosure
  • Flexible configuration options
  • Broad voltage compatibility
  • Compact space-saving design
  • Clear labeling for setup

Cons

  • Lower user satisfaction ratings
  • Fewer smart features included

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The enclosure withstands outdoor conditions effectively. Flexible setup supports 1PH, 2W, or 3W configurations. This allows adaptation to various electrical system requirements easily.

Lack of advanced digital features may limit tracking. However, its simplicity appeals to users needing basic monitoring. The compact design saves space in crowded panels.

Ideal for industrial spaces or outdoor installations. It provides reliable measurement without complex setup. Choose this for durability and broad voltage compatibility in tough environments.

Versatility

Flexible setup supports 1PH, 2W, or 3W configurations. This adapts to various electrical system requirements with ease.

Durability

Rated for outdoor installations with robust construction. It withstands harsh conditions while maintaining accuracy over time.

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4. DAE P153-200-S KIT – Premium Electric Sub Meter

DAE P153-200-S KIT, UL CTEP kWh Smart Submeter, 1 Phase 3 Wire (2 hot Wire, 1 Neutral), 200A, 120/240v, 2 CTs, RS4854.5Editor scoreCheck price on Amazon
DAE P153-200-S KIT
120/240V Single Phase
200 Amp Rating
UL CTEP Approved
RS485 Modbus Protocol

This premium option offers revenue-grade accuracy and cloud integration. Its 4.5 rating highlights trusted performance for billing. Ideal for landlords needing professional-grade data without IT experts.

Pros

  • Revenue-grade accuracy
  • Cloud metering integration
  • TOU billing reports
  • Factory calibration certificates
  • Split or solid core CTs

Cons

  • Higher investment cost
  • Cloud gateway separate purchase

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The Cloud Metering gateway enables real-time access via PC. Time of Use billing reports simplify tenant management. Calibration certificates ensure national accuracy standards are met reliably.

Initial setup requires wiring and potential gateway purchase. However, the long-term billing efficiency is worth it. It supports both split and solid core CTs for flexibility.

Best for multi-unit buildings needing precise billing. It reduces disputes with transparent data. Choose this for high accuracy and professional cloud reporting capabilities.

Billing Simplicity

TOU billing reports are available to simplify tenant management. It helps landlords manage costs efficiently without technical hassle.

Certified Accuracy

Factory Calibration Certificates ensure compliance with national standards. This builds trust in your energy tracking data.

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5. DAE DEM730P Electric kWh – Compact Electric Sub Meter

DAE DEM730P Electric kWh Submeter, RS485, 1P3W (2 Hot wire, 1 Neutral), 120/240V, 50A, Internal CT4.4Editor scoreCheck price on Amazon
DAE DEM730P Electric kWh
120/240V Single Phase
50 Amp Capacity
Internal CT Built-in
RS485 Modbus Option

This model simplifies installation with an internal CT. Its 4.4 rating reflects ease of use and reliability. Perfect for smaller circuits needing accurate tracking.

Pros

  • Internal CT for easy install
  • Cloud metering integration
  • TOU billing reports
  • IEC standard compliance
  • Factory calibration available

Cons

  • Indoor use only standard model
  • Limited to 50 Amp capacity

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Cloud Metering allows real-time access and billing reports. It conforms to IEC standards for international consistency. The TOU billing features support complex rate structures.

The 50A limit suits light loads or specific circuits. It is also limited to indoor use without extra enclosure. These constraints make it ideal for controlled environments.

Ideal for workshops or small rental units. It provides smart features without complex external wiring. Choose this for a balance of intelligence and compact design.

Smart Billing

Time of Use billing reports support complex rate structures. It helps landlords manage costs efficiently.

Standard Compliance

Conforms to International Standard IEC61036. This ensures reliability across different regions.

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6. DAE P254-200-S KIT – Industrial Electric Sub Meter

DAE P254-200-S KIT, UL CTEP kWh Smart Submeter, 3 Phase, 200A, 120-480V, 3 CTs, RS4854.5Editor scoreCheck price on Amazon
DAE P254-200-S KIT
120-480V Three Phase
200 Amp Rating
UL CTEP Approved
RS485 Modbus Ready

This model brings precision to three-phase systems. Its 4.5 rating reflects reliable performance in demanding environments. Ideal for industrial or commercial power monitoring.

Pros

  • Three-phase capability
  • Broad voltage range
  • Cloud integration ready
  • Factory calibration included
  • Fuse-free panel connection

Cons

  • Complex wiring for 3-phase
  • Requires professional setup

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It handles 120 to 480V flexibly. The fuse-free connection simplifies panel setup. Cloud Metering options enable remote access and billing reports.

The setup is complex for DIY users. However, it saves time and cost compared to separate enclosures. It ensures compliance with national accuracy standards.

Best for commercial buildings needing robust data. It provides accurate billing and energy management. Choose this for three-phase versatility and high accuracy.

Ease of Connection

Confirmed by UL fuse is not required. This simplifies panel connection and reduces parts.

Scalability

Cloud Gateway enables centralized data collection. It supports professional energy management applications.

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7. Single Phase kWh Meter Pass-Through – Flexible Electric Sub Meter

Single Phase kWh Meter, Pass-Through, 2 or 3-Wire, 120V up to 120/240V, 100A, 60Hz4.4Editor scoreCheck price on Amazon
Single Phase kWh Meter Pass-Through
120/240V Single Phase
100 Amp Capacity
Pass-Through Design
Local or Remote Read

This unit offers a straightforward pass-through design. Its 4.4 rating highlights reliability for simple circuits. Ideal for garages or shops needing basic tracking.

Pros

  • Pass-through wiring simplicity
  • 120V to 240V compatibility
  • Up to 100A rating
  • Remote pulse output
  • Supports various wire sizes

Cons

  • No built-in communication
  • No automatic display cycling

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It supports 2 or 3-wire systems easily. The local LCD provides instant readings. Pulse output allows remote monitoring if needed.

Lack of advanced smart features limits automation. However, it is robust and easy to install. It handles common wire sizes comfortably.

Best for users seeking simplicity. It measures usage without complex networks. Choose this for reliable tracking in non-smart settings.

Versatile Wiring

Supports 120V or 208-240V systems. This flexibility suits many existing installations.

Wire Capacity

Handles up to 13.5mm wire diameter. This fits a wide range of conductor sizes.

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8. DAE DDM730 KIT – Best Budget Electric Sub Meter

DAE DDM730 KIT 120/240V kWh Meter, 100 Amp, 1P3W (2 hot wires, 1 neutral), Internal CT, 60 Hz, Pass Through with Din Rail5.0Editor scoreCheck price on Amazon
DAE DDM730 KIT
120/240V Single Phase
100 Amp Rating
Din Rail Mounting
Internal CT Pass-Through

This kit offers value with solid features. Its perfect 5.0 rating reflects user satisfaction. Ideal for those needing budget-friendly smart monitoring.

Pros

  • Din rail mounting included
  • Internal CT for easy install
  • Cloud metering ready
  • IEC standard compliant
  • Cost-effective option

Cons

  • Indoor use only standard
  • Requires enclosure for outdoor

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Din rail mounting simplifies panel installation. Cloud integration allows easy billing reports. It complies with international standards for reliability.

Outdoor use requires an extra watertight enclosure. However, indoors it is simple and effective. The pass-through design avoids wiring complexity.

Best for workshops or small units. It provides smart tracking without high costs. Choose this for affordability and easy installation.

Simple Install

Internal CT means wiring is straightforward. It reduces time and tools needed for setup.

Modern Integration

Cloud Metering enables remote access. It supports property managers with simple tools.

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9. Universal Single Phase kWh Meter – General Electric Sub Meter

Universal Single Phase kWh Meter, 2 or 3-Wire, 120V up to 120/240V, 100A, 60Hz4.5Editor scoreCheck price on Amazon
Universal Single Phase kWh Meter
120/240V Single Phase
100 Amp Capacity
2 or 3-Wire
Pulse Output Remote

This model offers universal compatibility for various setups. Its 4.5 rating reflects consistent performance. Ideal for general monitoring needs.

Pros

  • Universal wire compatibility
  • 100 Amp capacity
  • Pulse output support
  • Local LCD readings
  • Handles thick wires

Cons

  • Basic feature set
  • No advanced smart features

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It supports 120V to 240V systems. The LCD displays data locally. Pulse output allows external counters if needed.

Basic features mean no cloud connectivity. However, it is robust and accurate. It handles thicker wires than cheaper alternatives.

Best for general electricians or DIY. It offers simplicity and reliability. Choose this for straightforward tracking.

Versatility

Supports 2 or 3-wire systems easily. This makes it adaptable to many panels.

Wire Capacity

Handles up to 100 Amps with thick wires. This suits demanding circuits.

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10. E-Mon D-Mon E10-3208100-JKIT – Specialized Electric Sub Meter

E-Mon D-Mon E10-3208100-JKIT Class 1000 1 or 2 Phase, 100A, 120/208-240 Volt kWh Electric SubMeter4.2Editor scoreCheck price on Amazon
E-Mon D-Mon E10-3208100-JKIT
120/208-240V
100 Amp Class 1000
1 or 2 Phase
KWh SubMeter Type

This specialized unit targets specific electrical needs. Its 4.2 rating suggests niche use. Ideal for Class 1000 compliance.

Pros

  • Class 1000 rating
  • 1 or 2 Phase support
  • Accurate kWh meter
  • Broad voltage compatibility
  • Specialized design

Cons

  • Fewer smart features
  • Limited compatibility info

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It supports 1 or 2 Phase configurations. The voltage range is broad. It is a reliable kWh meter for specific circuits.

Limited smart features mean manual monitoring. However, it is accurate and robust. Choose this for compliance with specific standards.

Best for industrial or commercial. It offers precise tracking. Choose this for specialized power management.

Class Compliance

Class 1000 rating ensures accuracy. This suits specific electrical requirements.

Flexibility

Supports 1 or 2 Phase configurations. This adapts to many panel setups.

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Buying Guide – How to Choose the Best Electric Sub Meter

Selecting the ideal meter requires understanding your electrical system and goals.

Voltage and Phase Compatibility

Ensure the meter matches your panel voltage and phase. Most residential units use 120/240V single-phase. Confirm the model supports 1PH or 3PH as needed to avoid mismatch.

Always verify voltage ratings before purchasing to guarantee proper operation.

Amperage Rating

Choose a meter with an amp rating equal to or higher than your circuit. A 200A model suits main feeds while 50A fits smaller circuits. Overloading can damage the device or void warranties.

Check the total load amperage to select the right capacity.

Installation Type

Decide between plug-in sockets and pass-through wiring. ANSI Form 2S sockets fit standard boxes. Pass-through designs work for retrofitting or non-standard setups. Consider your technical skill level.

Pick the method that fits your existing electrical panel.

Communication Features

Modern meters offer Modbus, RS485, or pulse outputs. These enable remote reading and billing automation. For DIY, basic LCDs may suffice. Professionals need protocols for centralized data.

Select communication options based on your tracking needs.

Solar and Bidirectional Support

If using solar panels, verify import/export capability. Some meters track reverse flow to measure energy sent back. This is key for net metering and system efficiency checks.

Look for reverse-current indicators if you have renewable energy.

Environmental Rating

Outdoor use requires weatherproof enclosures. Indoor-only models need separate boxes to survive moisture. Check if the unit is rated for the intended location.

Always match the enclosure to the installation environment.

Accuracy Standards

Revenue-grade meters meet strict national standards. They are necessary for billing tenants fairly. Basic units offer general tracking but lack certified precision.

Check for UL CTEP approval if billing is a priority.

Data Storage and Backup

EEPROM memory retains data during power loss. This ensures you never lose historical usage. Non-volatile storage is critical for accurate billing cycles.

Prioritize models with backup memory for reliability.

How to Use and Care for Your Electric Sub Meter

Start by verifying your panel voltage and phase match the meter. Use a multimeter to double-check before wiring.

Connect line and load terminals carefully. Ensure the neutral is secure to avoid reading errors.

Regularly check the display for accuracy. If readings fluctuate unexpectedly, inspect wiring connections.

Frequently Asked Questions

What is an electric sub meter?

An electric sub meter measures energy usage for specific circuits or tenants separately from the main meter. It helps allocate costs accurately and monitor individual power consumption.

Do I need a professional to install it?

While some models are DIY-friendly, electrical work can be risky. It is best to hire a licensed electrician to ensure safety and code compliance.

Can it track solar energy?

Yes, many models track import and export energy. This bidirectional capability is vital for solar systems to measure energy flow.

Is Modbus better than pulse output?

Modbus allows detailed digital communication and networking. Pulse is simpler and cheaper for basic counting. Choose based on your integration needs.

How accurate are these meters?

High-end models offer revenue-grade accuracy. Basic units are generally accurate enough for tracking but may vary slightly.

Can I use it outdoors?

Only if the model is rated for outdoor use or housed in a weatherproof box. Check specifications before installing outside.

Does it need constant power?

Most meters draw power from the circuit they monitor. Ensure the line voltage stays consistent for proper operation.

How do I reset data?

Most meters have a reset function or require communication access. Consult the manual to clear usage data if needed.

Final Thoughts on Choosing the Best Electric Sub Meter

We highlighted top models like the Digital Electric Sub Meters for Landlords for balanced features. The DAE DDM730 KIT stands out for value and ease of use.

Prioritize compatibility and smart features to save time. Accuracy ensures fair billing for tenants and owners alike.

Always verify current listings for updates. Prices and specs may change, so double-check before buying.