GKNA21

4 sensing.honeywell.com
Key-Actuated Safety Switches, GKN Series
Figure 2. Product Dimensions, continued
GKZ41 GKZ42
15,0
[0.59]
40,0
[1.575]
24,0
[0.94]
39,0
[1.535]
15,0
[0.59]
2,0
[0.08]
5,9
[0.23]
Ø 4,50
[Ø 0.18]
4,0
[0.16]
40,0 [1.575]
16,0 [0.63]
24,0
[0.94]
27,5
[1.08]
56,0 [2.20]
Ø 5,5
[Ø 0.22]
GKZ45 GKZF1
4,0
[0.16]
40,0 [1.575]
18,0
[0.71]
24,0
[0.94]
56,0 [2.20]
2,0
[0.08]
20,0
[0.79]
41,5
[1.63]
4,0
[0.16]
40,0
[1.575]
2,0
[0.08]
40,0
[1.575]
23,0
[0.91]
16,0
[0.63]
Ø 5,5
[Ø 0.22]
16,0
[0.63]
6,0 [0.24]
34,0
[1.34]
Ø 3,0
[Ø 0.12]
Funnel key
Metal guide
Table 4. Minimum Actuating Radius
Catalog Listing, Description Radius, min.
GKZ41, Straight key 160 mm [6.30 in]
GKZ42, 90° key (right angle) 160 mm [6.30 in]
GKZ45, Multi-directional key 18° max. all directions
GKZF1, Funnel key and guide 160 mm [6.30 in]
Warranty/Remedy
Honeywell warrants goods of its manufacture as being free of
defective materials and faulty workmanship during the appli-
cable warranty period. Honeywell’s standard product warranty
applies unless agreed to otherwise by Honeywell in writing;
please refer to your order acknowledgment or consult your
local sales office for specific warranty details. If warranted
goods are returned to Honeywell during the period of coverage,
Honeywell will repair or replace, at its option, without charge
those items that Honeywell, in its sole discretion, finds defec-
tive. The foregoing is buyer’s sole remedy and is in lieu of all
other warranties, expressed or implied, including those of
merchantability and fitness for a particular purpose. In no
event shall Honeywell be liable for consequential, special,
or indirect damages.
While Honeywell may provide application assistance personally,
through our literature and the Honeywell web site, it is buyers
sole responsibility to determine the suitability of the product in
the application.
Specifications may change without notice. The information we
supply is believed to be accurate and reliable as of this writing.
However, Honeywell assumes no responsibility for its use.
004740-3-EN IL50 GLO 
July 2017
© 2017 Honeywell International Inc. All rights reserved.
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.
m WARNING
MISUSE OF DOCUMENTATION
The information presented in this product sheet is for
reference only. Do not use this document as a product
installation guide.
Complete installation, operation, and maintenance
information is provided in the instructions supplied with
each product.
Failure to comply with these instructions could result in
death or serious injury.
Find out more
Honeywell serves its customers
through a worldwide network
of sales offices, representatives
and distributors. For applica-
tion assistance, current specifi-
cations, or pricing contact your
local sales office.
To learn more about Honey-
well’s products,
call +1-815-235-6847 or
1-800-537-6945,
visit sensing.honeywell.com,
or e-mail inquiries to
info.sc@honeywell.com
ADDITIONAL MATERIALS
The following associated literature is available on the Honeywell
web site at sensing.honeywell.com:
Product installation instructions
Product range guide
Honeywell Sensing and Internet of Things
9680 Old Bailes Road
Fort Mill, SC 29707
honeywell.com

GKNA21

Mfr. #:
Manufacturer:
Description:
Keylock Switches Key Oper./NPT Cnduit Plstc Slvr Contacts
Lifecycle:
New from this manufacturer.
Delivery:
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