The Motor101A is a data logging system to monitor the on/off status of motors. Includes declaration of conformance. Read More >

Key Features:

  • State101A State Data Logger
  • Current Switch
  • IFC200 Interface Cable



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The Motor101A Includes:
(1) State101A: State Data Logger
(1) Current Switch
(1) IFC200: Interface Cable

The Motor101A was designed to measure and record the on/off status changes for motors or other equipment drawing up to 200 Amps.

Just clamp the Motor101A to a wire and when the current passing through exceeds 150 mA the output changes, providing a voltage for the Motor101A to measure. This device can hold up to 465,578 readings, but memory will only be used if the status has changed.

The Motor101A is compatible with the latest MadgeTech 4 Software making starting, stopping, and downloading simple and easy. Graphical, tabular, and summary data is provided for analysis and can be viewed as customizable engineering units.


Memory465,578 readings
Reading Rate 4 Hz to 1 every 24 hours
Baud Rate 115,200
LED Indicators Red & Green
Push-Button Start Yes
Battery Life 10 years typical
MaterialABS Plastic
DimensionsData Logger: 1.4 in x 2.2 in x 0.6 in (36 mm x 56 mm x 16 mm)
Current Switch: 2.1 in x 3.5 in x 1.0 in (54 mm x 89 mm x 16 mm)
Operating Environment -15 °C to +40 °C (+5 °F to +104 °F), 10 %RH to 90 %RH non-condensing
Required Interface Package IFC200


State Resolution 1 second (reading rate dependent)
Amperage Range 0.15 to 200 Amps
Trip Point 0.15 A (150 mA) fixed (200 mA AC for 50 Hz operation)
Status Output N.O.1.0 A at 30 VAC/DC
HousingSplit Core


Motor101A Specification Sheet

Motor101A Product User Guide

Video Support

Motor101A | Changing the Battery


Part Numbers

Motor101A — 900381-00


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