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Structure and Nomenclature
Structure
D4BL-@CR@-@
Auxiliary release key
Lock monitor switch
Solenoid
Conduit outlet
Ground terminal M3.5
Connection
(Pull out
terminal M3.5
horizontally)
Model and Contact Configuration
Contact
(door open/
Model
closed detection
and lock monitor)
D4BL-@CR@-@ 1NC/1NO+1NC
D4BL-@DR@-@ 2NC+1NC
Note: The EN-certified direct opening mechanism is indicated by
Contact Form (D4BL-2GRD-AT)
32
11
12 (Safety circuit side)
31
42
21
22 (Monitor circuit side)
41
Operation Key
Lock plate
Rotating drum
Operation plunger
Seal ring (NBR)
Auxiliary plunger
Seal packing (NBR)
Rotating lever
Safety switch
Seal packing (NBR)
Conduit outlet
(Pull out
vertically)
The head can be changed
to any of four directions.
(Diagrams Show State with Key Inserted and Lock Engaged)
Contact form
Door open/
Lock monitor
closed detection
Door
Lock monitor
open/closed detection
32
11
31
12
24
23
Door
Lock monitor
open/closed detection
31
32
11
12
22
21
D4BL-@DR@-@
Auxiliary release key
Lock monitor switch
Solenoid
Conduit outlet
Connection
Ground terminal M3.5
(Pull out
terminal M3.5
horizontally)
Operating pattern
Lock position
31-12
23-24
Stroke
Operation Key
Extraction
insertion completion
completion
position
position
Lock position
31-12
21-22
Stroke
Operation Key
Extraction
insertion completion
completion
position
position
on the Switch.
D4BL
Operation Key
Lock plate
Rotating drum
Operation plunger
Seal ring (NBR)
Auxiliary plunger
Seal packing (NBR)
Rotating lever
Safety switch
Seal packing (NBR)
Conduit outlet
(Pull out
vertically)
Remarks
Only NC contacts 11-12
have a certified direct
ON
opening mechanism.
The terminals 11-12
and 23-24 can be
used as unlike poles.
Only NC contacts
11-12 and 21-22
have a certified
ON
direct opening
mechanism.
The terminals 11-12
and 21-22 can be
used as unlike poles.
5
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