AC Input Ground Fault Sensors from NK Technologies
We are an NK Technologies stocking distributor with Ground Fault Sensors IN STOCK!



AC Input
  • Monitor grounded AC single and three phase delta or wye sytems
  • Detect ground fault conditions to protect peronel and sensitive equipment from harm
  • Split-core models for easy installation
  • Factory-calibrated setpoints from 5 to 950 ma
  • Field-Selectable 5 mA, 10 mA or 30 mA setpoints
  • Normally Open or Normally Closed output contacts for switching AC or DC
  • Low voltage AC/DC and 120VAC power options
  • Need help selecting the right model for your application? See our Selection Guide
  • 5 Year Warranty!
    NK Technologies AC Input Current Switches from Mod-Tronic IN STOCK
    General Installation Instructions for all models (What does N.O. & N.C. mean?)

    View our NK Technologies stock list here (coming soon)
AC Input Ground Fault Sensors with Switch Output
(Unique feature of each model highlighted in orange)
Model AC Input
Ranges
(mAmps)
Case Style
Solid / Split
Core
Sensing
Aperature
Size
Setpoint Output
Types / Ratings
Power
Supply
Approvals PDF
Specs
Normally
In Stock?
Price
Type Range
(Amps)
Ground Fault Sensors with Switch Output

Calibrated
___5-100 mA
__80-950 mA

0.75" Dia.

  Factory-Set 5-100
80-950
Solid State
N.O. or N.C.

1A @ 240VAC
0.15A @ 30VDC
or
Auto Reset
SPDT Relay

1A @ 125VAC
2A @ 30VDC
or
Latching
SPST Relay
1A @ 125VAC
2A @ 30VDC
 

120V AC
or
240V AC
or
24V
AC/DC


Selectable
__
5, 10, 30 mA
Adjustable
(Range Jumper)
 

5
10
30

Calibrated
___5-100 mA
__80-950 mA

1.81" Dia.

  Factory-Set 5-100
80-950

Auto Reset
SPDT Relay

1A @ 125VAC
2A @ 30VDC
or
Latching
SPST Relay
1A @ 125VAC
2A @ 30VDC
 

120V AC
or
24V
AC/DC


Selectable
__
5, 10, 30 mA
Adjustable
(Range Jumper)
 

5
10
30

Calibrated
___5-100 mA
__80-950 mA

1.81" Dia.

  Adjustable
(Pot with LED
Display)
5-100
80-950

 

Auto Reset
or Latching

SPDT Relay

1A @ 120VAC
2A @ 30VDC

120V AC
or
24V
AC/DC

Coming soon
AC Input Ground Fault Sensor with 4-20mA Output
Model AC Input
Ranges
(Amps)
Case Style
Solid / Split
Core
Sensing
Aperature
Size
Output
Signal
Response
Time
Frequency
Range
Power
Supply
Approvals PDF
Specs
Normally
In Stock?
Price
True RMS Model (For distorted waveforms ie. VFD or SCR Outputs)
___0-50 mA
___0-100 mA
0.75"
Dia.
4-20 mA
True RMS
600 mS

40-400 Hz
12-40VDC
Loop
Powered


Inquire

Note: Environmental Ratings for all models above are:
Ambient Temperature: -4 to 122°F (-20 to 50°C). RH: 0–95%, non-condensing

Sensing Current Voltage Rating for all models above:
600V AC or DC with a bare conductor, higher voltages possible with insulated conductors.

This table is for a quick comparison of each model only. Please review the PDF specs for all specifications to verify the suitability for your application.


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