AC and DC Current Transmitters and Current Switches


*stock item*
Normally stocked, but please call first
Quantities available may vary on a daily basis
Please call to confirm quantities and lead time
Out of stock T201: 1-2 weeks
Out of stock CS and CTX: 3-4 weeks
Click on PDF links below
for product information
Links
T201 AC and DC Current Sensors
API AC and DC Current Sensors
API product brochure
Options & accessories
Cross reference
Applications
  • Motor & pump loads
  • Generator output
  • SCR controlled loads
  • Electric heating elements
  • 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 select your product
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  • Select model, range, units, options, accessories
  • Contact us if you need assistance
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Other ways to order
Model
Input/Output
Features
Product

AC to DC Isolated Current Measurement


Field Configurable
Z201-H  $199
Module power: 85-265 VAC/VDC
Z201  $179
Module power: 19-40 VDC, 19-28 VAC
Open Datasheet
Download Datasheet
Open Z201-H manual
Download Z201-H manual
Open Z201 manual
Download Z201 manual
Field selectable input ranges
0-5 Amps AC
0-10 Amps AC
Selectable via wiring terminal
Field selectable output ranges
0-1 V, 0-5 V, 0-10 V, 2-10 V
0-20 mA, 4-20 mA sink or source
  • Full I/O/power isolation
  • Selectable sink/source mA output
  • Mount to 35 mm DIN rail
  • Z201-H power: 85-265 VAC/VDC
  • Z201 power: 19-40 VDC, 19-28 VAC

CE

Z201-H Z201
Seneca Z201-H and Z201

Input T201DCH
25, 50 ADC/AAC
Input T201DCH100
50, 100 ADC/AAC, ±50, ±100 ADC
Input T201DCH300
150, 300 ADC/AAC, ±150, ±300 ADC
Output
0-10 VDC
Powered by
10-28 VDC
  • Hall Effect measures AC or DC
  • DIP-switch selectable ranges
  • Solid core design
CE
UL
T201DCH 50
T201DCH 50 Amp
T201DCH100
T201DCH 100, 300 Amp

Input T201DCH50-LP
50 ADC/AAC, ±50 ADC
Input T201DCH100-LP
50, 100 ADC/AAC, ±50, ±100 ADC
Input T201DCH300-LP
150, 300 ADC/AAC, ±150, ±300 ADC
Output
4-20 mA
Power
9-28 VDC current loop
  • Hall Effect measures AC or DC
  • DIP-switch selectable ranges
  • Solid core design
CE
UL
T201DCH50-LP
T201DCH 50 Amp
T201DCH100-LP
T201DCH 100, 300 Amp

Input T201DC
5, 10, 20, 40,
±5, ±10, –5-20,
–10-40 ADC
Input T201DC100
10, 25, 50, 100,
±5, ±10, –5-20,
–10-40 ADC
Output
4-20 mA
Power
5-28 VDC current loop
  • Measures DC Current
  • DIP-switch selectable ranges
  • Solid core design

CE
UL
T201DCH 50
T201DC 40 Amp DC
T201DC100
T201DC 100 Amp DC

AC Current Transmitter Loop Powered


Field Selectabe Ranges
Open Current Sensor Overview
Download Current Sensor Overview
T201  to 40A  $109 *stock item*
Open Installation Manual
Download Installation Manual

Input T201
5, 10, 15, 20, 25, 30, 35, 40 Amps AC
Output
4-20 mA
Power
5-28 VDC current loop
  • Measures AC Current
  • DIP-switch selectable ranges
  • Solid core design

CE
UL
T201
T201

DIN Rail Adapter for T201 Current Sensors


A-DIN-T201  $19 *stock item*

No datasheet
Plastic DIN Rail adapter
Fits Seneca T201 current sensors
Mount current sensor on a standard 35 mm DIN rail
seneca-a-din-t201.jpg
seneca-a-din-t201-clip.jpg
A-DIN-T201

AC Current Transmitters, Loop Powered


Jumper Selectable Ranges
CTX-AC-0  $218
CTX-ACR-0 True RMS  $278
CTX-AC-1  $207 *stock item*
CTX-ACR-1 True RMS  $265
CTX-AC-2  $207
CTX-ACR-2 True RMS  $265 *stock item*

Open Datasheet
Download Datasheet
Input CTX-AC-0
2 A, 5 A
Input CTX-ACR-0
2 A, 5 A
Input CTX-AC-1
10 A, 20 A, 50 A
Input CTX-ACR-1
10 A, 20 A, 50 A
Input CTX-AC-2
100 A, 150 A, 200 A
Input 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 CTX-AC only
apictxacr
CTX-AC, CTX-ACR Series

AC Current Transmitters, Loop Powered


Switch Selectable Ranges
CTX-AC-3S  $278
CTX-ACR-3S True RMS  $323 *stock item*
CTX-AC-4S  $367
CTX-ACR-4S True RMS  $412

Open Datasheet
Download Datasheet
Input CTX-AC-3S
375 A, 500 A, 750 A
Input CTX-ACR-3S
375 A, 500 A, 750 A
Input CTX-AC-4S
1000 A, 1333 A, 2000 A
Input CTX-ACR-4S
1000 A, 1333 A, 2000 A
Output
4-20mA
Power
12-40 VDC current loop
  • Switch selectable ranges
  • Solid core
  • Isolated output
  • 5-year warranty
CE
apictx3s4s
CTX-AC 3, CTX-AC 4 Series

AC Current Switches


CS-AC-1  $134 *stock item*
CS-AC-2  $134 *stock item*

Open Datasheet
Download Datasheet
Input
0-150 Amps AC input
Output CS-AC-1
NC solid state relay, 0.15A @ 130 VAC/VDC
Output CS-AC-2
NO solid state relay, 0.15 A @ 240 VAC/VDC
Power
Self-powered via input current
  • 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 CS-AC Series

DC Current Transmitters


Jumper Selectable Ranges
CTX-DC-0  $278
CTX-DC-1  $271 *stock item*
CTX-DC-2  $271
CTX-DC-3  $271

Open Datasheet
Download Datasheet
Input CTX-DC-0
50 A, 75 A, 100 A
Input CTX-DC-1
100 A, 50 A, 200 A
Input CTX-DC-2
150 A, 225 A, 300 A
Input CTX-DC-3
200 A, 300 A, 400 Amps
Output
4-20mA
Power
20-45 VDC or 22-38 VAC
  • Jumper selectable ranges
  • Split core design
  • 5-year warranty
CE
apictxdc
CTX-DC Series

DC Current Switches


CS-DC-1S-12  $165
CS-DC-1S-24  $165
CS-DC-2S-12  $159
CS-DC-2S-24  $159 *stock item*

Open Datasheet
Download Datasheet
Email Datasheet Link
Input
0-100 Amps DC
Output CS-DC-1S-24
SPDT relay,
5 A @ 240 VAC / 3 A @ 30 VDC
Output CS-DC-2S-24
NO Solid state relay,
0.3 A @ 135 VAC/DC
Output CS-DC-1S-12
SPDT relay,
5 A @ 240 VAC / 3 A @ 30 VDC
Output S-DC-2S-12
NO Solid state relay,
0.3 A @ 135 VAC/DC
Power CS-DC-1S-24, CS-DC-2S-24
20-28 VAC/DC
Power CS-DC-1S-12, CS-DC-2S-12
12 VAC/DC ±10%
  • Adjustable 2 to 100 Amp setpoint
  • Low voltage AC or DC powered
  • LED power and status indicators
  • Solid core
  • 5-Year warranty
CE
apicsdc
CS-DC Series
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