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AI801 3BSE020512R1

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The ABB AI801 3BSE020512R1 is a high-performance analog input module belonging to ABB's S800 I/O series.
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Technical specifications for AI801 3BSE020512R1

  • Manufacturer:
    ABB
  • Part Number:
    AI801 3BSE020512R1
  • Product Family:
    ABB Advant OCS and Advant-800xA
  • Product Type:
    3BSE020512R1
  • Input Type:
    0(4) to 20 mA
  • Resolution:
    12-bit
  • Accuracy:
    ±0.1%
  • Response Time:
    <10 ms
  • Input Impedance:
    230 - 275 kΩ
  • Operating Voltage Range:
    12-30V DC
  • Rated Isolation Voltage:
    50V
  • Weight:
    0.3 kg
  • Estimated shipping dimensions:
    10.2x5.1x15.2cm
  • Tariff Code:
    8537101190
  • Country of origin:
    Sweden
  • Place of shipment:
    Xiamen, Fujian, China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.
Description
The ABB AI801 3BSE020512R1 is a high-performance analog input module belonging to ABB's S800 I/O series. It converts analog signals into digital signals for further processing by the control system. It has 8 channels and supports current inputs of 0(4) to 20 mA.

The ABB AI801 (Ordering Code: 3BSE020512R1) is a compact, high‑reliability 8‑channel analog input module designed for the ABB S800L I/O system, tailored for precise 0(4)–20 mA current signal acquisition in industrial automation applications like power generation, petrochemical refining, and process manufacturing, with origin in Sweden.

As a single‑ended unipolar module with 12‑bit resolution and group isolation from ground, it serves as a critical front‑end for process sensors (pressure, flow, level, temperature transmitters), delivering accurate data conversion and robust signal protection for seamless integration into ABB Symphony, Advant, and AC 800M DCS ecosystems.

It features PTC‑based overvoltage/short‑circuit protection, 250‑ohm input resistance, HART compatibility, detachable process/power connectors, and a slim S800L form factor—ideal for high‑density I/O racks in 24/7 critical infrastructure requiring low‑latency, maintenance‑friendly signal acquisition with zero downtime during module replacement.
Alternative Names
A18O1 3BSE020512R1 A18OI 3BSE020512R1 A18OI 3BSEO20512R1 A18OI 3BSEO2O512R1 A18OI 3BSEO2O5I2R1 A18OI 3BSEO2O5I2RI 3BSE020512R1 3BSEO20512R1 3BSEO2O512R1 3BSEO2O5I2R1 3BSEO2O5I2RI
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
What is the input impedance of the ABB AI801 3BSE020512R1?
The input impedance of this module is 230 - 275 kΩ.
What is the operating voltage range of the ABB AI801 3BSE020512R1?
The operating voltage range of this module is 12-30V DC.
What is the response time of ABB AI801 3BSE020512R1?
The response time of this module is less than 10ms.