Safety Interlock Switch
PP-- 114488 88
881199 -- 004466 77
Installation & Operating Instructions
Contents
FUSE
M
M
2423
11 1 2
L1
L2
STAR T
STOP
SAFETY SWITCH CONTACTS
WITH KEY INSTALLED.
Description
Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Mechanical Features . . . . . . . . . . . . . . . . . . . . . 2
Electrical Features. . . . . . . . . . . . . . . . . . . . . . . 6
Actuation Directions . . . . . . . . . . . . . . . . . . . . . 3
Mechanical/Dimensions . . . . . . . . . . . . . . . . . . 3
Switching Diagram . . . . . . . . . . . . . . . . . . . . . . 3
Contact Operation . . . . . . . . . . . . . . . . . . . . . . 3
Threaded entrance Holes . . . . . . . . . . . . . . . . . 3
Actuator Mounting . . . . . . . . . . . . . . . . . . . . . . 3
Warranty . . . . . . . . . . . . . . . . . . . . . . Back Page
Failure to follow these
instructions may result in product
damage, equipment damage, and
serious or fatal injury to personnel.
MECHANICAL FEATURES
Enclosure: Thermoplastic,
glass fiber reinforced
Safety Switch with positive opening normally
closed contacts which can only be activated with a
specially designed mating key that protects against
unintended operation.
Features
• Easy installation
• Actuator head can be oriented to 4 different
approach directions quickly and easily
• Positive opening of the normally closed
contacts for safety
• UL listed
• NEMA-4 rating
• Easy wiring access
• 3 cable entry holes with M20X1.5 threads
• 1/2” NPT conduit adaptor supplied with switch part # 104-8001-004
• Strain relief adaptors are available to order part # 280-8035-002
Actuator: Separate Actuator,
Switch 2 x M5 round and
Mounting: 2 x M5 elongated
Operational -30°C/+80°C
Temperature: -22°F/+176°F
Contact 1 N.O. - 1 N.C. with
Type: forced disconnect of
Mechanical 1 million switch
Life: operations
Protection: IP 65/Nema 4
Termination: 4 screw terminal
Aluminum (M5 dia.
mounting holes) with
plastic snap cover
holes
N.C. contacts
connections M3.5
Screws
ELECTRICAL FEATURES
Rated voltage: = 500V AC Max
Rated current: = 10 A max.
sustained current
CSA: 10A, 300VAC,
A300, Same
polarity
Utilization Categories per
IEC 945-5-1,
AC = 15
DC = 13
APPROVALS
STANDARDS
VDE 0113
VDE 0660 Part 200
IEC 947-5-1
GS-ET 15
Special wiring for the safety-interlock
switch to prevent tampering. The N.O
contact 23-24 short circuits the coil of
motor starter (M) with key removed. If the
N.C. contact 11-12 were jumpered, the
fuse would blow when the key is removed
from the switch and an attempt is made to
restart the circuit.
NOTE: Fuse to be 10 Amp slow acting or
16 Amp fast acting type.
Warner Electric • 800-451-8279 P- 1488 • 819-0467
2
22
8
A
B
1
3
4
2
180°
52
90
18
29
8
40
7
27
30
15
40
11
23
12
24
3.4
3,2
2,4
20.5
mm
Actator
Extended
Retracted
On Off
11-12
23-24
52
40
R min. 150
R min. 150
22
50
16
6
Don't use the switch as stop.
Actuation Directions
• 4 approach directions by changing the cap’s position A or B.
• Cover 1 has to be opened before changing cap 2.
• Insert the screwdriver point into the separable gap housing and
rotate screwdriver (until the cap unlocks) 3.
• Remove the cap and according to picture 4 turn around 180°, to put
into housing and close the cover to lock cap.
• Radial actuation will reduce the mechanical life of the switch.
Observe the minimum radius as shown in the Actuator Mounting
directions.
• Unused key slots covered with plastic insert.
Mechanical/Dimensions mm
Switching Diagram
Actuator Mounting
Warner Electric • 800-451-8279 P-1488 • 819-0467Warner Electric • 800-451-8279 P- 1488 • 819-0467
mm x .0394 = inches
Contact
Operation
Threaded Entrance Holes M20
Threads
Supplied with 1/2” NPT Conduit Adaptor
3
Warranty
Warner Electric LLC warrants that it will repair or replace (whichever it deems advisable) any
product manufactured and sold by it which proves to be defective in material or workmanship within a
period of one (1) year from the date of original purchase for consumer, commercial or industrial use.
This warranty extends only to the original purchaser and is not transferable or assignable without
Warner Electric LLC’s prior consent.
Warranty service can be obtained in the U.S.A. by returning any defective product, transportation
charges prepaid, to the appropriate Warner Electric LLC factory. Additional warranty information may
be obtained by writing the Customer Satisfaction Department, Warner Electric LLC, 449 Gardner
Street, South Beloit, Illinois 61080, or by calling 815-389-3771.
A purchase receipt or other proof of original purchase will be required before warranty service is
rendered. If found defective under the terms of this warranty, repair or replacement will be made,
without charge, together with a refund for transportation costs. If found not to be defective, you will be
notified and, with your consent, the item will be repaired or replaced and returned to you at your
expense.
This warranty covers normal use and does not cover damage or defect which results from
alteration, accident, neglect, or improper installation, operation, or maintenance.
Some states do not allow limitation on how long an implied warranty lasts, so the above limitation may
not apply to you.
Warner Electric LLC’s obligation under this warranty is limited to the repair or replacement of the
defective product and in no event shall Warner Electric LLC be liable for consequential, indirect,
or incidental damages of any kind incurred by reason of the manufacture, sale or use of any defective
product. Warner Electric LLC neither assumes nor authorizes any other person to give any other
warranty or to assume any other obligation or liability on its behalf.
WITH RESPECT TO CONSUMER USE OF THE PRODUCT, ANY IMPLIED WARRANTIES WHICH THE
CONSUMER MAY HAVE ARE LIMITED IN DURATION TO ONE YEAR FROM THE DATE OF ORIGINAL
CONSUMER PURCHASE. WITH RESPECT TO COMMERCIAL AND INDUSTRIAL USES OF THE
PRODUCT, THE FOREGOING WARRANTY IS IN LIEU OF AND EXCLUDES ALL OTHER
WARRANTIES, WHETHER EXPRESSED OR IMPLIED BY OPERATION OF LAW OR OTHERWISE,
INCLUDING, BUT NOT LIMITED TO, ANY IMPLIED WARRANTIES OF MERCHANTABILITY
OR FITNESS.
Some states do not allow the exclusion or limitation of incidental or consequential damages, so the
above limitation or exclusion may not apply to you. This warranty gives you specific legal rights and
you may also have other rights which vary from state to state.
Changes in Dimensions and Specifications
All dimensions and specifications shown in Warner Electric catalogs are subject to change without
notice. Weights do not include weight of boxing for shipment. Certified prints will be furnished without
charge on request to Warner Electric.
Warner Electric
31 Industrial Park Road
815-389-3771
www.warnerelectric.com
P-1488 819-0467 8/11 Printed in USA
• Fax: 815-389-2582
• New Hartford, CT 06057
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