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Safety notes
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Correct use
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Commissioning
8019200.126R | SICK
Subject to change without notice
Photoelectric proximity sensor
Operating instructions
Read the operating instructions before commissioning.
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Connection, mounting, and setting may only be performed by trained specialists.
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Not a safety component in accordance with the EU Machinery Directive.
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UL: Only for use in applications in accordance with NFPA 79. These devices shall
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be protected by a 1 A fuse suitable for 30 V DC. Adapters listed by UL with connec‐
tion cables are available. Enclosure type 1
When commissioning, protect the device from moisture and contamination.
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These operating instructions contain information required during the life cycle of
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the sensor.
The MultiPulse WTB4-3 is an opto-electronic photoelectric proximity sensor (referred to
as "sensor" in the following) for the optical, non-contact detection of objects. If the pro‐
duct is used for any other purpose or modified in any way, any warranty claim against
SICK AG shall become void.
Photoelectric proximity sensor with background suppression.
Image: A
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Mount the sensor using a suitable mounting bracket (see the SICK range of acces‐
sories).
Note the sensor's maximum permissible tightening torque of 0.8 Nm.
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The sensors must be connected in a voltage-free state (U
in the graphics [B] must be observed, depending on the connection type:
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Male connector connection: pin assignment
= 0 V). The information
v
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