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AlertWerks Power Monitor Sensor, Single-Phase, 220–240V, 50 Hz

Use with Split-Core Current Transformers for power monitoring.


Please call 877-877-2269 for a replacement product or part.
Lifetime Double Diamond™ Warranty (Standard)

Product Features

  • Use with a Split-Core Current Transformer (EME1CT100, EME1CT150, EME1CT200, EME1CT300) to monitor power conditions.
  • Measures power, voltage RMS, current RMS, and power factor.
  • Displays critical data on an integral LCD.
  • Designed for use with AlertWerks ServSensor hubs.
  • Supports maximum demand (MD) recording when used as part of the AlertWerks remote monitoring system.

Tech Specs

CE Approval Yes
Current Basic current: 5; Maximum current: 100; Starting current (mA): 0.2%lb; Current circuits consumption (VA): <1.1; Voltage circuits consumption (VA): <0.3
Frequency (Hz) 60
Interface IEC 62056-21 Modbus
Size 3"H x 2.1"W x 1.6"D (7.5 x 9 x 5.4 cm)
Storage temperature -40 to +167° F (-40 to 75°C)
Voltage Rated voltage: 220-240V Voltage range: -23%t~+20%Un

* Technical specification weight is the unit weight. It is not the packaged shipping weight. For shipping weight, please contact Black Box customer service at 877-877-2269.


Double Diamond Warranty Diamond

Double Diamond™ Warranty (Standard)

Take the risk out of equipment purchases with the Double Diamond™ Warranty from Black Box Network Services.

The Double Diamond Warranty is our warranty that protects your Black Box® brand products* from accidental damage, including drops, water, and power surges.

The AlertWerks Power Monitor Sensor, Single-Phase, 220–240V, 50 Hz comes with a standard Lifetime Double Diamond™ Warranty (Standard) already included.

During the warranty period, Black Box Network Services will repair or replace your damaged equipment within one week of receipt at NO CHARGE!*

Plus, get an Extended Double Diamond Warranty.

You can also extend your warranty or protect a previously purchased Black Box® brand product** for an additional year—for only 10% of the purchase price! Or, extend your coverage for a full three years for only 20% of the purchase price!

Ordering an extended warranty is easy: When viewing a product in your shopping cart, just select the one or three years of additional coverage in the dropdown menu under “Warranty Options.” For details, contact Customer Service at 724-746-5500.

* Warranty subject to certain exclusions and limitations ** Certain products may not be eligible.

What’s more, we also have a 45-day return policy. Simply call Customer Service for a Return Authorization (RA) number, return your product in new condition and in the original package, and receive a full refund.