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Two compact DIN-rail energy meters with LCD screens and external CTs

aFe Power D52-2066 2-Pack Single Phase Energy Meter AC 40-300V 100A

SKU CH-4NBT-Z7RMZ MPN D52-2066

Two DIN-rail energy meters measure 40-300 V and 100 A with 1 % accuracy and store kWh data through power loss

  • Team affiliation2 Piece
  • Key featuresExternal CT, Corded Electric, false
  • Accurate monitoring across AC 40-300V and 0-100A range
  • Data retained after power loss for continuous tracking
  • Wide 178° LCD view with backlight for day or night reading
  • External CT option plus built-in CT for flexible installation
  • Measures kWh up to 99999 with reset function for repeated tests

Single-phase energy meter 2-pack

This aFe Power D52-2066 two-pack provides single-phase electricity monitoring for AC circuits. Each unit measures voltage, current, active power, energy, frequency and power factor on a DIN-rail mountable housing. The meters suit industrial, laboratory and residential installations where energy usage data is required.

Verify supply voltage and wiring method

Confirm the circuit operates between 40.0 and 300.0 V AC and that current does not exceed 100.0 A. Choose between the built-in current transformer with a through-hole conductor or the external CT connected to terminals 3 and 4. Ensure a DIN rail is available for mounting and that the 178° viewing angle LCD remains readable in the planned enclosure.

Fits standard DIN rail, frees panel space

Rail-type installation secures each meter without panel cut-outs, leaving more room for other components inside the cabinet. The backlit colour LCD gives clear readings day or night, and stored energy data survives power loss so cumulative kWh counts resume automatically. A five-second button press resets the accumulator for new measurement sessions.

How it compares

Measured against everything we stock in Multimeters & Electrical Testers, at today’s prices. Recalculated every night.

Price $51.99
Pricier than about 75% of the 971 comparable items (median $30.99).

Specifications

Product
Brand nameaFe Power
More details
Team affiliation2 Piece

Questions about this item

What comes in the 2-pack and is an external transformer needed?

The pack contains two single-phase energy meters with built-in current transformers. An external CT can be connected to terminals 3 and 4 for alternative wiring but is not required for basic operation.

Which voltage and current range should I select for a 110V circuit drawing up to 100A?

The meter covers AC 40.0-300.0V and 0-100.0A, so a 110V circuit at 100A fits within the single supported range — no version choice is needed.

What does the 100A rating mean when the meter is installed in a panel?

It measures up to 100.0A with 0.01A resolution, logs energy to 99999kWh, and retains data through power loss, refreshing readings about twice per second.

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