X20DO4F49

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The X20DO4F49 is a versatile module featuring status indicators for I/O function per channel and operating state. Manufactured by B & R Automation as part of their X20 Series, it operates at a maximum voltage of 250 VAC and has a bus power consumption of 1.1 W. The module can handle inrush currents of up to 8 A per channel.

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Product Description:

B & R Automation's X20 Series presents the X20DO4F49 module which is an efficient and versatile component for use in industrial automation systems. This module has a maximum voltage of 250VAC and has the bus power consumption of 1.1 W. A noteworthy aspect of the X20DO4F49 is the provision of status indications of the I/O function per channel, state of operation and status of the entire module. These indicators give the user an easy and direct way of determining whether the module is working or not thus helping in the diagnosis of any problems.

The X20DO4F49 has a current limiting of 8 Ampere per channel which makes it suitable to work with high load devices or sudden transient conditions. This model supports a maximum output current of 2 A at 240VAC per channel with the maximum output current capacity of 8 A at 240 VAC across all the channels. The contact resistance of the module is not more than 100m? and this helps in the effective operation of the module and low power consumption. It has high load carrying capacity with a stringent service life of 200000 cycles at 2A for NO&CO contacts and 30 million cycles mechanical for the same contact type.

Temperature ranges for operation are convenient for different conditions; the units designed for horizontal installation can operate in the range of -25 to 60 degrees C, while the vertical ones - in the range of -25 to 50 degrees C. For storage and transportation, the module is designed to operate in temperatures ranging from -40 to 85 degrees Celsius. The X20DO4F49 is housed in an IP20-rated enclosure, providing protection against accidental contact with internal components and larger solid objects.

Bus Power Consumption
1.1 W
Contact Resistance
max 100 mΩ
Degree of Protection
IP20 (EN 60529)
Inrush Current (per channel)
max 8 A
Nominal Output Current
2 A at 240 VAC
Operating Temperature (horizontal)
-25 to 60 °C
Operating Temperature (vertical)
-25 to 50 °C
Rated Frequency
DC or 45–63 Hz
Service Life (electrical)
200,000 cycles at 2 A
Service Life (mechanical)
30,000,000 cycles
Status Indicators
I/O function, operating state, module status
Storage/Transport Temperature
-40 to 85 °C
Switching Voltage
max 250 VDC / 250 VAC
Total Nominal Current
8 A at 240 VAC
  • X20D04F49

Frequently Asked Questions about X20DO4F49:

Q: What is the maximum voltage for the X20DO4F49?

A: It supports a maximum voltage of 250VAC.

Q: What is the current capacity of the X20DO4F49?

A: The module handles up to 2A per channel, with a total capacity of 8A across all channels.

Q: What are the operating temperature ranges for the X20DO4F49?

A: It operates from -25 to 60 degrees C in a horizontal position and from -25 to 50 degrees C in a vertical position. For storage and transport, it can handle -40 to 85 degrees C.

Q: What kind of status indicators does the X20DO4F49 feature?

A: It has indicators for I/O function per channel, operational state, and overall module status.

Q: What is the service life of the X20DO4F49?

A: It offers 200,000 cycles at 2A for NO&CO contacts and 30 million mechanical cycles for the same contact type.


Internal Product Review

  • ‘‘The X20DO4F49 by B&R Automation is a robust and versatile module designed for industrial automation. It supports up to 250VAC and delivers high performance with status indicators for easy diagnostics. The module handles up to 2A per channel with a total capacity of 8A and offers high load and durability with a long service life.’’

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