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Festo
543438
Operator unit FED-301
The Festo part number 543438 is an industrial component featuring a 3.8-inch monochrome LCD touchscreen display with a 1/4 VGA resolution of 320x240 pixels and a black/white color scheme. Powered by a nominal operating voltage of 24 V DC within a range of 18 to 30 V DC and consuming 0.4 A, the unit includes 512 kByte of user memory, 32 kByte of recipe memory, 4 system LEDs, and a 3 V / 270 mA lithium backup battery with a real-time clock deviation of 130 seconds per month. Physical dimensions measure 149 mm in length, 61 mm in depth, and 109 mm in height, supporting a maximum front panel thickness of 5 mm while accommodating 1,024 alarms, 256 event lists, and an integrated real-time clock. Submit the exact part number, quantity, and application requirements to request a quote.
Request pricing and availabilityCommercial response for your destination and required quantity.
Request a Quote- Manufacturer
- Festo
- Part number
- 543438
- Data verification
- Manufacturer evidence reviewed
For a faster response, include quantity, condition, and delivery destination.
Exact part-number verificationTechnical properties are matched to 543438.
Worldwide sourcingSupport for planned and urgent industrial requirements.
Manufacturer documentationA document is added when the reviewed source provides one.
Verified configuration
Technical Specifications
- Depth
- 61 mm
- Height
- 109 mm
- Length
- 149 mm
- Max. front panel thickness
- 5 mm
- User memory
- 512 kByte
- Real-time clock
- Yes
- Event lists
- 256
- Recipe memory
- 32 kByte
- Alarms
- 1,024
- Real-time clock deviation
- 130 s / month
- Number of colors
- Black/white
- Number of system LEDs
- 4
- Display
- Monochrome LCD
- Display property
- Touchscreen
- Display size
- 3,8"
- Backup battery
- 3 V / 270 mA Lithium
- Operating voltage range DC
- 18 ... 30 V
- Display resolution
- 1/4 VGA, 320x240 Pixel
- Nominal operating voltage DC
- 24 V
- Current consumption at nominal operating voltage
- 0,4 A
- CE symbol (see declaration of conformity)
- according to EU-EMV guideline
- Storage temperature
- -20 ... 70 °C
- Relative air humidity
- 5 - 85 % | non-condensing
- Protection class
- IP65 front, IP20 back
- Ambient temperature
- 0 ... 50 °C
- Authorization
- c UL us - Listed (OL) | RCM Mark
- Product weight
- 1,000 g
- AUX interface
- Sub-D | 9-pin | Plug socket
- PC interface
- RS232 | Sub-D | 15-pin | Plug
- Programming interface
- 9,6 - 38,4 kBd
- PLC interface
- RS232 | Sub-D | 15-pin | Plug
- Ethernet interface
- Optional, 10 MBd
- Mounting type
- Front panel installation
- Programming software
- FED Designer 6.06 or higher
Engineering context
Identification and RFQ Guidance
What to include in your RFQ
Provide quantity, delivery country and ZIP/postal code, required condition, target date, and photographs of the existing nameplate when available.
Technical verification
Our sourcing response is prepared against Festo 543438. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.