Telemecanique XUB2AKSNL2T Photoelectric Transmitter: Technical Overview

The Telemecanique XUB2AKSNL2T photoelectric transmitter is part of the XU photoelectric sensor family and belongs to the XUB cylindrical M18 range. It is a thru-beam emitter designed for industrial applications where reliable long-distance optical detection is required. In a thru-beam system, the transmitter sends light to a matching receiver. When a target blocks the beam, the receiver detects the interruption and the control system can react.

Main Technical Features

This model is a photo-electric sensor transmitter with a cylindrical M18 plastic body, axial line of sight, and infrared thru-beam emission. It operates on a 12…24 V DC supply with reverse polarity protection. The wiring technique is 3-wire, and the electrical connection is a 2 m cable. The enclosure material is PBT, while the lens material is PMMA.

The sensor has a solid-state output type, green supply LED, switching capacity up to 100 mA, and overload and short-circuit protection. It has a 500 Hz switching frequency, 1 ms response delay, 1 ms recovery delay, and 15 ms first-up delay. These response values make the XUB2AKSNL2T suitable for automated detection tasks where objects move at moderate to fast speeds through a fixed detection zone.

Telemecanique XUB2AKSNL2T Why Thru-Beam Detection Matters

Thru-beam photoelectric sensing is often chosen when detection reliability is more important than single-device convenience. Since the transmitter and receiver are installed opposite each other, the system can detect objects by the interruption of a dedicated light path. This method can be more stable than diffuse sensing in applications involving different object colors, mixed surface finishes, or inconsistent target reflectivity.

The Telemecanique XUB2AKSNL2T photoelectric transmitter is suitable for conveyors, sorting areas, access points, elevators, escalator-related sensing, packaging machines, and material-handling equipment. Its M18 cylindrical construction allows easy integration into standard brackets or machine panels, while the cabled connection supports direct installation in fixed control cabinets or junction boxes.

Telemecanique XUB2AKSNL2T Durability and Environment

The XUB2AKSNL2T is designed for industrial settings. It has IP65 and IP67 protection ratings according to IEC 60529, vibration resistance of 7 gn, and shock resistance of 30 gn for 11 ms. These characteristics help the sensor remain dependable in dusty production zones, equipment frames with movement, and installations where cleaning or occasional moisture exposure may occur.

For best results, alignment between transmitter and receiver must be precise. Both devices should be firmly mounted, protected from excessive mechanical impact, and installed so that the beam cannot be blocked by brackets, guards, cable trays, or product guides. Ambient light, reflective surfaces, and machine vibration should also be considered during commissioning.

Lifecycle Consideration

The manufacturer marks XUB2AKSNL2T as end of commercialization and lists XUB2AKXNL2T as the replacement. This is important for spare-part planning. Maintenance teams working with older machines may still need XUB2AKSNL2T documentation, while new machine designs should evaluate the current replacement model.

For more information about Telemecanique, review related detection products and compatible sensor families.

Telemecanique XUB2AKSNL2T FAQ

What is the Telemecanique XUB2AKSNL2T?

It is a cylindrical M18 photoelectric transmitter used in thru-beam sensing systems. It sends an infrared beam to a receiver, allowing object detection when the beam is interrupted.

Is XUB2AKSNL2T a complete sensor pair?

No. It is the transmitter side of a thru-beam system. A compatible receiver is required to complete the detection setup.

What power supply does it use?

It operates with a 12…24 V DC supply and includes reverse polarity protection, which helps reduce wiring-related risk during installation.

What connection type does it have?

This model uses a 2 m cable. The cable format is useful for fixed installations where the device will be wired directly into a junction box or control cabinet.

What replaced XUB2AKSNL2T?

The manufacturer identifies XUB2AKXNL2T as the replacement. This should be checked when planning spare parts or new installations.