Wire or Cable Mounted Current Transmitters and Current Switches

AC and DC Current Sensor Products with all products on this page

Click on model numbers below for product data sheets
Literature and Links

API brochure

Options & accessories

Cross reference

Applications
  • Motor & pump loads
  • Generator output
  • SCR controlled loads
  • Electric heating elements
  • Input to instrumentation, PLCs, or data loggers
  • Battery load or charging current
  • Energy management systems
  • Remote indication of electrical loads
  • Motor, heater, lighting on/off status
  • Conveyor jams and equipment failures
How to Order
  1. Select a model
  2. See data sheet for ordering details and module operating voltage
  3. See price list
  4. 2 day to 4 week typical lead time (USA customers)
  5. To place your order
Model
Click on model number for datasheet
Input/Output Features Product
AC Current Transmitters

CTX-AC-0
CTX-ACR-0 True RMS
CTX-AC-1
CTX-ACR-1 True RMS
CTX-AC-2
CTX-ACR-2 True RMS
Input
CTX-AC-0, CTX-ACR-0: 2 A, 5 A
CTX-AC-1, CTX-ACR-1: 10 A, 20 A, 50 A
CTX-AC-2, CTX-ACR-2: 100 A, 150 A, 200 A

Output
4-20mA
  • Loop powered
  • Jumper selectable ranges
  • Split core design
  • Isolated output
  • 5-year warranty

CE UL

apictxacr
AC Current Transmitters

CTX-AC-3S
CTX-ACR-3S True RMS
CTX-AC-4S
CTX-ACR-4S True RMS

Input
CTX-AC-3S, CTX-ACR-3S: 375 A, 500 A, 750 A
CTX-AC-4S, CTX-ACR-4S: 1000 A, 1333 A, 2000 A

Output
4-20mA
  • Loop powered
  • Switch selectable ranges
  • Solid core
  • Isolated output
  • 5-year warranty

CE

apictx3s4s
AC Current Switches

CS-AC-1
CS-AC-2

Input
0-150 Amps AC input

Output
CS-AC-1: NC solid state relay, 0.15A@130VAC/VDC
CS-AC-2: NO solid state relay, 0.15A@240VAC/VDC
  • Adjustable 1.5 to 150 Amp setpoint
  • Self-powered
  • Split core design
  • LED status indicator
  • 5-year warranty
  • 2 day to 4 wk lead time

CE UL
apicsac
DC Current Transmitters

CTX-DC-0
CTX-DC-1
CTX-DC-2
CTX-DC-3
Input
CTX-DC-0: 50 A, 75 A, 100 A
CTX-DC-1: 100 A, 50 A, 200 A
CTX-DC-2: 150 A, 225 A, 300 A
CTX-DC-3: 200 A, 300 A, 400 Amps

Output
4-20mA
  • 20-50 VDC or 22-VAC powered
  • Jumper selectable ranges
  • Split core design
  • 5-year warranty

CE

apictxdc
DC Current Switches

CS-DC-1S-24
CS-DC-2S-24
CS-DC-1S-12
CS-DC-2S-12
Input
0-100 Amps DC

Output
CS-DC-1S-24: SPDT relay, 5A@240VAC/3A@30VDC
CS-DC-2S-24: NO Solid state relay, 0.3A@135VAC/DC
CS-DC-1S-12: SPDT relay, 5A@240VAC/3A@30VDC
CS-DC-2S-12: NO Solid state relay, 0.3A@135VAC/DC

Power
CS-DC-1S-24, CS-DC-2S-24: 20-28VAC/DC
CS-DC-1S-12, CS-DC-2S-12: 12VAC/DC ±10%

  • Adjustable 5 to 100 Amp setpoint
  • Low voltage AC or DC powered
  • LED power and status indicators
  • Solid core
  • 5-Year warranty

apicsdc