IsoSplitter - Split One Analog Signal Into Two Isolated DC Outputs

lifetime warranty
  • Lifetime Warranty on API Modules
  • LoopTracker® I/O LEDs
  • Hot-Swappable Plug-In Design
  • Zero and Span Output Calibration
  • Push to Test Output
  • Full I/O/Power Isolation
Click on PDF links below
for product information

Literature and Links

API product brochure
Options & accessories
Regulatory Compliance page

UL Approvals

API modules USA
API modules Canada

APD modules USA
APD modules Canada

Reference Info

Ground Loops
LoopTracker and Output Test
Sink vs Source


Split a 4-20mA RTD signal
Split a 4-20mA HVAC signal
Split a 4-20mA flowmeter signal
Split a 4-20mA pellet flowmeter signal
Drive three 4-20mA SCR signals

How to Order

  1. Select a model
  2. See data sheet for ordering info and options
  3. Note that options affect pricing
  4. Request a quote via chat or call us
  5. 2-5 day typical lead time + shipping time
  6. 5-10 day lead time for quantities of 5 or more + shipping time
  7. To place your order
Model Input/Output Features Product

IsoSplitter® Signal Splitter
1 DC Input to 2 DC Outputs

Factory Configured

APD 4393  from $475

Open Datasheet
Download Datasheet
Specify input range
Factory Configured
0-10 mVDC to 100 VDC
±50 mV to ±10 VDC
0-1 mADC to 0-50 mADC, 4-20 mADC

Specify output range for each channel
2 independent channels
0-1 V to 0-20 V
±1 V to ±10 V
0-1 mA to 0-25 mA, 4-20 mA
  • Removable plugs
  • I/O LoopTracker LEDs
  • Selectable sink/source mA input
  • 15 V input loop power supplies
  • Selectable sink/source mA output
  • 20 V output loop power supplies
  • Output test button
  • Full I/O/power isolation
  • DIN rail mount
  • 45 mm wide
  • Universal power 85-265 VAC, 60-300 VDC
  • D option for 9-30 VAC/VDC power

Api 4393 DINUL approved
APD 4393 DC IsoSplitter