AC and DC Current Transmitters and Current Switches

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






Click on model numbers below
for 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 info and power options
  3. See Price list
  4. 2 day to 4 week typical lead time (USA customers)
  5. To place your order
Model Input/Output Features Product
AC Current Transmitters

CTXSE-AC-series

Input
CTXSE-AC-0: 5 A, 10 A, 20 A
CTXSE-AC-1: 30 A, 60 A, 120 A

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

CE UL

apictxacr apictxacr
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 Switch

CSSE-AC-2
Input
1.25 to 150 Amps AC input

Output
NO solid state relay, 1A @ 30VAC/VDC
  • Adjustable 1.25 to 150 Amp setpoint
  • Detect motor belt loss or coupling shear
  • Self-powered, split core design
  • Two LED status indicators
  • 7-year warranty
NEW UL

apicsac
Command Relay

CR3-24
Input
Relay Coil 24 VAC/VDC, 15 mA

Output
N.O. Mechanical Relay, 10 A @ 125 VAC
  • Attaches to CSSE or CTXSE Series
  • Use with CSSE to Increase Switching Capacity
  • Use as Independently Operated Relay
  • Red Status LED
  • 7-year warranty
NEW UL

command relay command relay
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