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6

Operating instructions

Safety door-handle system

STS30

EN

Step 3

• If used, fit lockout tag

To be observed

• Refer to lockout tag mounting instructions

y

Step 4

• Screw door handle onto mounting plate

To be observed

• Remove protection to screw the door handle

y

Step 5

•  The mounting plate of the switch must be flush-mounted with the 

doorpost

• Mount switch onto mounting plate

To be observed

• Screws: M6

• Thread must be centric to the slotted holes of the mounting plate

2

1

*100

s

Step 6

• Fit actuator to guard door and align

To be observed

• Actuator completely pulled out

• Insert actuator in switch housing

•  Observe maximum distance "a" between switch and actuator,  

refer to "Dimensions" table

• Screws: M6

• Thread must be centric to the slotted holes of the mounting plate

a

a

Ø21

Step 7

• Put door handle onto square bar

• Fit mounting plate to guard door

To be observed

•  Emergency handle and door handle must be in horizontal  

position when the door handle is put onto the square bar

• Screws: M6

• Thread must be centric to the slotted holes of the mounting plate

4.  Set-up and maintenance

4.1  Functional testing

The safety function of the safety components must be tested. The  

following conditions must be previously checked and met: 

1. Fitting of the safety switch/solenoid interlock and the actuator.

2. Check the integrity of the cable entry and connections

3. Check the switch enclosure for damage

4.2  Maintenance

We recommend a regular visual inspection and functional test, including 

the following steps:

1. Check for the integrity and correct installation of the actuator and the 

safety switch/solenoid interlock.

2.  Check the clearance "a" and re-adjust if necessary;  

vertical or horizontal angular offset must be avoided

3. Remove particles of dust and soiling.

4. Check cable entry and connections.

Damaged or defective components must be replaced.

K. A. Schmersal GmbH 

Industrielle Sicherheitsschaltsysteme

Möddinghofe 30, D - 42279 Wuppertal

Postfach 24 02 63, D - 42232 Wuppertal 

Phone:  +49 - (0)2 02 - 64 74 - 0 

Telefax  +49 - (0)2 02 - 64 74 - 1 00

E-Mail: [email protected]

Internet: http://www.schmersal.com

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