Related Products
Older model (still available):
XI-L Series Loop Powered Isolators.

(Input Resistance = 50Ω.)
Instrument Quality Power Supply (24Vdc, 1.0A) for powering 4~20mA loop.

XID-L - Loop Powered Isolators:

Product Specifications:

Download XID Sales Brochure

Download Installation Guide


For information on the older XI-L version (still available).

XID 4~20mA Isolator Series

Isolating 4~20mA Input to 4~20mA Output Loop Powered Transmitter.


  • Input to Output Isolation 2.5KV.
  • Input Resistance 250Ω.
  • High Accuracy 0.03%.
  • Reverse Polarity Protected.
  • Compact DIN Rail Mount Enclosure.
  • Available with 1, 2 or 4 Transmitters per Enclosure.
  • Easy to Install.
  • Low Cost.


XI-L Typical Hookup

Ordering Information:

One Loop per Enclosure.
Two Loops per Enclosure.
Four Loops per Enclosure.


Dual Output Signal Isolators:

Use the XID-L2 dual channel model. Wire the 4~20mA input in series through both inputs on the transmitter, and the 2 outputs are totally isolated.
The outputs are loop powered so you need a separate 24Vdc power supply for each channel.