
3
SICK WSU 26/2 – WEU 26/2
8 008 692/9-12-99 Technical Description · WSU/WEU 26-2 © SICK AG · Safety Systems · Germany · All rights reserved
1 General Introduction
1 General Introduction
Scanning range0.5 ... 18 m
15 ... 70 m
Beam diameter
23 mm
Fig. 1: System construction of the WSU 26/2 / WEU 26/2 photoelectric safety switch
The WSU 26/2 / WEU 26/2
photoelectric safety switch is a sin-
gle-beam non-contact protective
system. It consists of a WSU light
sender and a WEU light receiver.
The light beam between the
emitting and receiving units
provides access protection for
hazardous areas.
The safety switch is designed for
industrial applications. Its features
include
‡
universal usability
‡
easy installation
‡
solid construction
‡
heated front screen, i.e. it can be
deployed even in unfavorable
ambient conditions.
The WSU/WEU complies with
safety requirements according to
pr EN 50.100, safety category type 4.
The following key data are
applicable in practical use:
Range
Beam diameter
23 mm
WSU
WEU