2
Operating instructions
Hinge safety switch
TV8S 521
EN
1.6 Warning about misuse
In case of inadequate or improper use or manipulations of the
safety switchgear, personal hazards or damage to machinery
or plant components cannot be excluded. The relevant requi-
rements of the standard EN 1088 must be observed.
1.7 Exclusion of liability
We shall accept no liability for damages and malfunctions resulting from
defective mounting or failure to comply with this operating instructions
manual. The manufacturer shall accept no liability for damages resul-
ting from the use of unauthorised spare parts or accessories.
For safety reasons, invasive work on the device as well as arbitrary re-
pairs, conversions and modifications to the device are strictly forbidden;
the manufacturer shall accept no liability for damages resulting from
such invasive work, arbitrary repairs, conversions and/or modifications
to the device.
2 Product description
2.1 Ordering code
This operating instructions manual applies to the following types:
TV8S 521-
➀
No. Option
Description
➀
11/11
Switch insert 1: 1NO/1NC
Switch insert 2: 1NO/1NC
02/20
Switch insert 1: 2NC
Switch insert 2: 2NC
Only if the information described in this operating instructions
manual are realised correctly, the safety function and therefo-
re the compliance with the Machinery Directive is maintained.
2.2 Special versions
For special versions, which are not listed in the order code below 2.1,
these specifications apply accordingly, provided that they correspond to
the standard version.
2.3 Destination and use
The safety switches are suitable for hinged guards , which need to be
closed in order to ensure the necessary operational safety. The hinge
safety switch is equipped with two switch inserts S1 and S2 with diffe-
rentiated operating principle. When the safety guard is closed (starting
position), switch insert S1 is not actuated ans S2 is actuated. The
hinges are not included in delivery.
The user must evaluate and design the safety chain in ac-
cordance with the relevant standards and the required safety
level.
2.4 Technical data
Standards:
IEC/EN 60947-5-1, EN ISO 13849-1,
BG-GS-ET-15
Enclosure:
light-alloy diecast, paint finish
Shaft bore
Inner toothing
Protection class:
IP 67 to IEC/EN 60529
Ambient temperature:
-25 °C … + 70 ºC
Degree of pollution:
3
Contact material:
Silver
Contact types:
Two change-over contacts with double
break, type Zb, with galvanically separa-
ted contact bridges
Switching system:
A
IEC 60947-5-1; slow action, positive
break NC contact
Termination:
Screw connection
Cable type:
rigid / flexible
Cable section:
min. 2 mm
2
, max. 2 mm
2
, (including
conductor ferrules)
Cable entry:
2 x M16
Utilisation category:
AC-15, DC-13
I
e
/U
e
:
4 A / 230 VAC
4 A / 24 VDC
U
imp
:
4 kV
U
i
:
250 V
I
the
:
10 A
Max. fuse rating:
6 A gG D-fuse
Mechanical life:
> 1 million operations
Switching frequency:
max. 1000/h
Positive break angle:
14°
Positive break torque:
0.8 Nm
2.5 Safety classification
Standards:
EN ISO 13849-1
B
10d
(NC contact):
2,000,000
Service life:
20 years
MTTF
B
d x
x
h
s/h
3600
d
10d
op
op
op
n
0,1 x n
op
t
cycle
(Specifications can vary depending on the application-specific parame
-
ters h
op
, d
op
and t
cycle
as well as the load.)
3 Mounting
3.1 General mounting instructions
Any mounting position. The hinge switch and the switch must be fitted
so that the hinge switch and the switch are in alignment with the univer-
sal joint (execute the optimal setting by means of a continuity tester).
The universal joint must be fixed in the switch and the hinge by means
of the supplied spiral pin.
The distance of the door to the door hinge centre must be 14 mm.
14
C
B
A
A = safety guard
B = door post
C = door hinge
