IL2302-B520-0000 Beckhoff
Wake Industrial LLC is not an authorized distributor of this product.
The Beckhoff IL2302-B520-0000 is part of the IL Coupler Box Units series and features a control voltage of 24 VDC with a maximum current of 0.5 Amps. The unit supports control and fieldbus isolation, delivers fieldbus data sizes of 512 bytes input and output, and comes with an IP65/66/67 protection class. Its housing is made from PA6, features brass metal parts with a nickel-plated finish, and uses polyurethane casting compound.
Internal Product Review
The IL2302-B520-0000 is a Beckhoff IL Coupler Box Unit with 24 VDC control voltage and IP65/66/67 protection for dependable field installation. Control/fieldbus isolation and 512 B in / 512 B out data handling support clean integration and stable communication in distributed I/O networks. Any-position installation adds valuable flexibility for machine builds.
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Product Description:
The IL2302-B520-0000 is a fieldbus coupler box manufactured by Beckhoff as part of the IL Coupler Box Units series. It serves as the interface between distributed sensors or actuators and the machine controller by combining power injection, signal conditioning, and communication in a single molded body. Installed directly on the equipment rather than inside a control cabinet, the unit shortens sensor cable runs, reduces electromagnetic interference, and supports flexible topologies for industrial automation systems. This arrangement allows field signals and operating power to be distributed near connected devices without requiring long individual cable routes back to a central enclosure.
The coupler’s control electronics operate from a supply of 24 VDC, and the logic circuit draws a maximum of 0.5 A; these values support upstream power supply sizing and circuit protection. Data exchange with the PLC is buffered in blocks of 512 bytes in and 512 bytes out, allowing each scan to move up to 1,024 bytes between field devices and the controller without segmentation. The enclosure has an IP65, IP66, and IP67 ingress protection rating, providing resistance to dust, water jets, and temporary immersion under the applicable conditions. Power enters the module through an M8 4-pin plug that provides a keyed, vibration-resistant connection for the 24 V supply. Galvanic isolation keeps the control domain electrically separate from the fieldbus cabling, helping prevent ground loops and limit the propagation of electrical transients.
A polyurethane casting compound encapsulates the electronics, while the outer shell is molded from PA6 to resist impact and common lubricants. The signal contacts are made from gold-plated CuZn, and the other metal components use nickel-plated brass to improve corrosion resistance. The housing is secured to the machine frame through two M3 mounting holes and can be installed in any orientation. Downstream power is available through a separate output socket, allowing the supply to continue to another compatible field device. The molded enclosure protects internal connections while maintaining a compact profile for installation close to sensors, actuators, and other distributed equipment.
