ifm electronic - AC246A - AS-Interface AirBox, 5/2 Valve, 2 DI, ATEX, 24–31.6 V

The ifm electronic AC246A is an AS-Interface (AS-i) AirBox module designed for pneumatic control in industrial automation systems. Featuring a 5/2-way slide valve and two digital PNP inputs, it enables seamless integration of pneumatic actuators with AS-i networks. Certified for ATEX Zone 22 (II 3D Ex tc IIIB T80°C Dc X), this module is suitable for use in dusty hazardous environments. 

Key Features:

• Model: AC246A

• Brand: ifm electronic

• Function: AS-Interface AirBox with integrated pneumatic valve

• Valve Type: 5/2-way slide valve (monostable, free from overlap)

• Digital Inputs: 2 PNP inputs with short-circuit protection

• Operating Voltage: 26.5 to 31.6 V DC (via AS-i flat cable)

• Current Consumption: Max. 300 mA from AS-i

• Pneumatic Output: 1 output, 8 mm tube fitting

• Operating Pressure: 3 to 8 bar

• Air Flow Rate: 500 l/min at 6 bar

• Ambient Temperature Range: -10°C to +50°C

• Protection Rating: IP50

• ATEX Certification: II 3D Ex tc IIIB T80°C Dc X

• AS-i Profile: S-3.F.F

• Mounting: Quick mounting with three selectable orientations for AS-i flat cable

• Housing Material: PA and POM; piercing contacts made of CuSn6, nickel and tin-plated

• Dimensions: 108 × 85 × 50 mm

• Weight: Approximately 403 g

• Indicators: Green LED for operation, red LED for errors, yellow LED for function status

• Applications: Ideal for controlling pneumatic actuators in automated systems, especially in environments requiring ATEX compliance.