Mitsubishi Electric A1SX40 Input Unit 12-24VDC 3-7mA

Standard digital input module for Mitsubishi MELSEC System A Series PLCs, designed for monitoring external DC signals from sensors, switches, and other control devices.

Model: A1SX40
Manufacturer: Mitsubishi Electric
Series: MELSEC System A
Module Type: Digital Input Unit
Number of Input Points: 32
Input Voltage: 12–24V DC
Input Current: 3–7 mA
Input Type: Sink or source compatible
Response Time: ≤10 ms
Isolation: Photocoupler isolation between inputs and internal circuitry
Terminal Type: Removable terminal block
Mounting: Base rack installation (DIN rail via rack)
Dimensions: Approx. 90 mm (W) x 150 mm (H) x 80 mm (D)
Status Indicators: LED indicator for each input point
Applications: Reading digital signals from limit switches, proximity sensors, push buttons, and similar devices
Standards: CE, UL, CSA compliant Please review pictures carefully and let us know if you have any questions!