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GK800 Series 

Electric Strike 

Installation Instruction 

Copyright © All rights reserved.   P-MU-GK800-1224 Published: 2020.11.23

Wiring Diagram

Dual Voltage (12/24V)

N.C. contact output: door open
N.O. contact output: door closed

Door status output; SPDT:1A/125VAC
N.C. contact output: door open
N.O. contact output: door closed

Blue: N.O.

Gray: COM.

Yellow: N.C.

Version Adjustment:

Control Mode

Butt Splice (IDC) Connector

Place the wire inside the connector and use pliers 
to press down on the head of the connector evenly.

Operating Voltage: 12/24VDC
Current Draw: 300mA/12VDC
                       150mA/24VDC
Operating Temperature: 32˚F to 120˚F 
(0˚C to 49˚C)
Humidity: 0% to 85% Non-condensing
Life Rating of Solenoid: over 500,000 cycles
Latch Throw: GK800/GK810 series:12 mm 
                      GK850 series:15 mm 
                      GK880 series:19 mm
Keeper width: GK800/GK810 series:44 mm 
                       GK850 series:43 mm 
                       GK880 series:44.5 mm
Material: Zinc alloy main stand 
               Stainless steel faceplate
Weight (approx.): GK800 series 250g
                             GK810 series 290g
                             GK850 series 280g  
                             GK880 series 370g 

Specification

Step1: Fail-secure
Remove the plug and take out 
the round screw.

Step2: Fail-safe
Turn the round screw upside 
down (180°).

Step3:
Put the screw and the plug 
back.

Fail-safe when 

“1” facing up

Fail-secure when

 “2” facing up

GK880

GK850

GK810

80

20.20

2.50

25.40

250

44

40

74

12

4.50

25
14

80

20.2

0

3

37.70

43

44.50

123.80

31.80

4.90

19.30

GK800

44

160

14

6.50

235.4

31

30.5

39.25

34

19

28

3

43

149.50

34

136

37.7

GK800M

GK810M

GK850M

GK880M

(GK800M/810M/850M/880M with door status output.) 

12VDC

+

-

Red

Black

(Polarity Insensitive)

12VDC

Control Device

24VDC

+

-

White

Black

(Polarity Insensitive)

Control Device

Dual Voltage (12V/24V)

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24VDC

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