ISO 4-20mA Series Two Wire Loop Powered 4-20mA Signal Isolators

ISO 4-20mA Series Two Wire Loop Powered 4-20mA Signal Isolators

Product Details:

  • Input 0-20mA/4-20mA
  • Output 0-20mA/4-20mA
  • Power Supply Loop powered
  • Supply Ability : 50000 Piece Per Month
12.00 - 49.00 USD ($)/Piece

Price And Quantity

  • 1 Piece
  • 12.00 - 49.00 USD ($)/Piece

Product Specifications

  • Loop powered
  • 0-20mA/4-20mA
  • 0-20mA/4-20mA

Trade Information

  • Shenzhen
  • 50000 Piece Per Month
  • 3 Days
  • Yes
  • Contact us for information regarding our sample policy

Product Description

ISO 4-20mA Series Two Wire Loop Powered 4-20mA Signal Isolators


Input: 0-20mA, 4-20mA

Output: 0-20mA, 4-20mA

Power supply: Loop powered

Isolation voltage: 3KVDC

Package type: PCB mounted, DIN rail mounted


1. 4-20mA current input/output, high precision (distortion <0.2%)

2. High linearity in the full span(non-linearity<0.2%)

3. Isolation between signal input and output: 3KV or 6KVDC

4. Low impedance (volt. drop<2V), no external instruments or power supply required.

5. SIP 12Pin small size, UL94V-0 standard for flame retardant encapsulation

6. 4-20mA signal extra-wide range volt. Input (8.5~28VDC)

7. Frequency response (small signal band-width): 2KHZ (Io=20mA)

8. Industrial operating temperature: - 45 ~ + 85


1. 4-20mAsignal long-distance transmission in industrial site

2. PLC, DCS analog signals data acquisition and isolation

3. Ground loop elimination

4. Transmission and Monitoring of signals of instruments and meters, sensors,etc

5. Analog signal data acquisition, isolation and long distance non-distortion transmission.

6. Monitor and control electrical instruments and meters, medical equipments, isolated safety bar.

7. Isolated safety bar in rail transit DC high voltage monitoring


SunYuan SIP12 Pin current loop isolated module: ISO 4-20mA module is a kind of single-chip two-wire isolated interface IC chip. Inside the IC, there are current signal modulation circuit, magnetoelectric-isolation transform circuit and signal reduction demodulation circuit,etc. The low input equivalent resistance makes the IC module achieve wide range input voltage (8.5~28VDC) to realize the long distance, non-distortion transmission of signals without external power supply. By adopting SMD technological structure and new isolation technology, the modules posses the features: 3KVDC isolation between signal input and output (total isolation type), and operates in normal in abominable industrial conditions like wide temperature, humidity and vibration.

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