3
EX-AZ 415
Operating instructions
Safety switch
EN
3. Mounting
3.1 General mounting instructions
Fitting is only authorised in a de-energised condition
The enclosure can be fixed by means of 2 mounting holes. The
mounting holes are accessible after removal of the cover. The use of a
protective ground wire is imperative. The enclosure must not be used
as an end stop. Any mounting position. The mounting position must be
chosen so as to avoid the penetration of dirt in the used holes.
Please observe the recommendations regarding maximum
impact energy, actuating speed and tightening torque in the
technical data.
Mounting of the actuators:
See mounting instructions actuators.
Please observe the relevant requirements of the standards
ISO 12100, ISO 14119 and ISO 14120.
The safety component and the actuator must be permanently
fitted to the safety guards and protected against displacement
by suitable measures (tamperproof screws, gluing, drilling,
pinning).
3.2 Dimensions
All measurements in mm.
10,1
22,3
20
8
M20
8,8
28
A
88
84,6
46,5
103,6
26,8
4. Rear side Electrical connection
4.1 General information for electrical connection
The electrical connection may only be carried out
by authorised personnel in a de-energised condition.
The contact labelling can be found in the wiring compartment of
the switch.
At least one magnetic contact
A
with positive break contacts
must be integrated in the safety circuit.
Cable glands (included in delivery) are only authorised for permanent
cables. The constructor must provide for the necessary strain relief.
After wiring, dust and soiling must be removed from the wiring
compartment.
The conductors of the connecting cables must not obstruct the
movement of the switching lever. Unused openings must be sealed
with EX-certified locking screws (included in delivery).
The distance between the actuator flange and the switch
enclosure must be < 3 mm when the actuator is inserted.
4.2 Contact variants
Contact variants are shown in a de-energised condition with
actuator inserted.
EX-AZ 415-11/11ZPK-3D
EX-AZ 415-02/11ZPK-3D
21
13
21
13
22
14
22
14
S2
S1
21
13
11
21
22
14
12
22
S2
S1
EX-AZ 415-02/20ZPK-3D
EX-AZ 415-02/02ZPK-3D
13
23
11
21
14
24
12
22
S2
S1
11
21
11
21
12
22
12
22
S2
S1
Legend:
A positive break
P actuated
Q
not actuated
Information for the selection of suitable safety-monitoring
modules can be found in the Schmersal catalogues or in the
online catalogue on the Internet: www.schmersal.net.
5.
