m
WARNING
IMPROPER INSTALLATION
• Consult with local safety agencies and their requirements
when designing a machine-control link, interface, and all
control elements that affect safety.
• Strictly adhere to all installation instructions.
Failure to comply with these instructions could result in
death or serious injury.
MOUNT, WIRE, SEAL, AND TEST SWITCH
m
WARNING
IMPROPER OPERATION
• Ensure key travels to the given minimum insertion
distance to ensure switch contact transfer.
• Ensure key travels to maximum extraction distance to
ensure correct operation of the positive break mechanism.
• Do not exceed 50 N [11.2 lb] actuation force.
• Do not use the key as a stop for the door.
Failure to comply with these instructions could result in
death or serious injury.
1.
Refer to:
•
Page 6 for specifications.
•
Page 7 for switch mounting.
2. Ensure proper clearance for switch and key at mounting
location.
3. Align switch and key together before mounting.
4. Mount switch and key:
•
Torque switch to mounting surface: 1,0 N m-1,4 N m
[9 in lb-12 in lb] using M5 screws
•
Torque key to mounting surface: 1,0 N m-1,4 N m
[9 in lb-12 in lb] using M4 or M5 screws
•
Care should be taken to ensure that all mounted
hardware cannot become detached during the
operational lifetime in the intended application
5. Refer to circuit diagram on switch housing. Diagram
depicts safety switch when key is inserted.
6. Remove screws on cover plate.
7. The three conduit openings have been molded using
knockout. Break out the conduit opening required for use.
8. Connect stranded wire (0,75 mm
2
to 2,5 mm
2
, 18 AWG-
14 AWG) or solid wire (0,75 mm
2
- 1,5 mm
2
, 18 AWG-
16 AWG) to connector terminals (Use copper wire only,
minimum 75 °C rated):
•
Torque switch terminal screws: 0,8 N m to 1,0 N m
[7 in lb-9 in lb] M3
•
Torque connector to secure cable to switch enclosure
(if required): 1,8 N m to 2,2 N m [16 in lb-19 in lb]
9. Seal conduit opening according to instructions in
PK 80112.
10. Reassemble cover plate with cover screw. Torque to
0,40 Nm to 0,50 Nm [3.5 in-lb to 4.5 in-lb].
11. Perform functional tests:
•
Open and close protective guard several times to
confirm key slides easily into switch head
•
Open and close protective guard several times to
confirm switch contacts transfer (change state) in
each state
•
Confirm the normally closed contacts open when
protective guard is open
•
Confirm hazardous motion does not start when
protective guard is open
Installation Instructions for the
GKN Series Multi-Entry Key Operated Safety Interlock Switch
Serie GKN Multi-Eingangs-Sicherheits-Verriegelungsschalter mit separatem Betätiger
série GKN interrupteur de sécurité avec interverrouillage à clé à multiples entrées
Serie GKN interruttore con interblocco di sicurezza azionato a chiave multingresso
GKN系列多口钥匙安全联锁开关安
GKN 시리즈 다중 입구 키동작 안전 인터록 스위치
Issue 12
50017382
EN 60947-5-1