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Explosion Proof Signal Isolator, DC 24V, 4-20mA

$112.84
Explosion-proof analog signal isolator supports 24V DC power supply and common 4-20mA current signal input. Its accuracy is up to 0.1%FS, the response speed does not exceed 2ms, and it complies with the [Ex ia Ga] ⅡC explosion-proof standard. The signal isolator is used in industrial automation, PLC, DCS control systems, etc.
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SKU: ATO-SIGNI-SFX
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Delivery date: 6-12 days

The explosion-proof signal isolator uses three-terminal isolation of the input, output and power supply, and has the advantages of low power consumption and good temperature characteristics.

Features

  • The explosion-proof analog signal isolator adopts a 12.7mm slim design to save installation space.
  • Its power consumption is as low as 1.0W, with low heat generation and rapid heat dissipation, which extends the service life of the equipment.
  • The explosion-proof signal isolator has a high accuracy of 0.1%FS, ensuring accurate signal conversion and more accurate data.
  • Its response speed is as low as 2ms, the system responds quickly and enhances reliability.
  • The signal isolator adopts a pluggable design and snap-on terminal blocks, which is simple and quick to install and easy to maintain and replace.
  • It supports active and passive signals, is compatible with two-, three- and four-wire signal output, and adapts to a variety of industrial application needs.

Specification

Model ATO-FK-SFX110 ATO-FK-SFX112 ATO-FK-SFX114
Number of Inputs & Outputs 1 input channel & 1 output channel 1 input channel & 2 output channel 2 input channel & 2 output channel
Power supply Typical value: 24V DC (18V DC~32V DC)
Explosion-proof mark [Ex ia Ga] ⅡC
Input signal type DC current signal: 4~20mA
Input impedance About 75Ω
Output signal type Passive current: 4~20mA; Active current: 0(4)~20mA, 0~10mA; DC voltage: 0(1)~5V, 0~10V
Load capacity Passive current: RL≤[(U-3)/0.02]Ω (U is the loop power supply voltage); Active current: 0(4)~20mA: ≤550Ω, 0~10mA: ≤1.1kΩ; DC voltage: 0(1)~5V: ≥1MΩ, 0~10V: ≥2MΩ
Distribution voltage Open circuit voltage ≤26V, when fully loaded with 20mA output voltage ≥16V
Isolation transmission accuracy ±0.1%F.S (25℃±2℃)
Temperature drift 40ppm/℃
Response time ≤2ms
Dielectric strength ≥2500 VAC (between intrinsically safe side/non-intrinsically safe side); ≥1500VAC (between power supply/non-intrinsically safe side)
Insulation resistance ≥100MΩ (between input/output/power supply)
Electromagnetic compatibility IEC 61326-3-1
Full load power consumption 24VDC power supply, single-channel full-load output: 1.3W; dual-channel full-load output: 1.8W


Dimension (mm)

Explosion proof signal isolator dimension

Wiring diagram

Explosion proof signal isolator wiring

Applications

Explosion proof signal isolator application

Tips: Main applications of explosion-proof signal isolators

  • Oil and gas industry: used in oil and gas extraction, refineries and oil storage areas to ensure safe isolation of signals in hazardous environments and prevent explosions caused by electrical faults.
  • Chemical industry: provides signal isolation in chemical production and corrosive environments to protect control systems from high-risk gases and chemicals.
  • Mining industry: used in coal mines and metallurgical plants to isolate signals in gas monitoring and automation control systems to avoid explosions caused by electrical faults.
  • Power and energy industry: widely used in power plants, wind and solar power generation systems to ensure the stability and safety of signal transmission.
  • Automation control system: in automation systems such as PLC and DCS, isolate field equipment signals to protect control systems from electrical interference.
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