Guard Lock Safety-door Switch

D4NL

Best-selling Guard Lock Safety-door Switch Available in Several Compact, Multi-contact Models

Switches (Operation Keys are sold separately.)
Consult with your OMRON representative when ordering any models that are not listed in this table.
Head
material
Release
key

position
Release
key type
Solenoid
voltage/

indicator
Lock and
release

types
Contact configuration
(door open/closed

detection switch and

lock monitor switch

contacts)

(slow-action)

Certified direct

opening NC contact
Conduit
outlet
Model
Plastic
*1
Bottom
Standard
(resin)
Solenoid:
24 VDC

Orange LED:

10 to 115

VAC/VDC
Mechanical
lock

Solenoid

release
1NC/1NO+1NC/1NO
Pg13.5
D4NL-1AFA-B
G1/2
D4NL-2AFA-B
M20
D4NL-4AFA-B
1NC/1NO+2NC
Pg13.5
D4NL-1BFA-B
G1/2
D4NL-2BFA-B
M20
D4NL-4BFA-B
2NC+1NC/1NO
Pg13.5
D4NL-1CFA-B
G1/2
D4NL-2CFA-B
M20
D4NL-4CFA-B
2NC+2NC
Pg13.5
D4NL-1DFA-B
G1/2
D4NL-2DFA-B
M20
D4NL-4DFA-B
2NC/1NO+1NC/1NO
Pg13.5
D4NL-1EFA-B
G1/2
D4NL-2EFA-B *2
M20
D4NL-4EFA-B *2
2NC/1NO+2NC
Pg13.5
D4NL-1FFA-B
G1/2
D4NL-2FFA-B *2
M20
D4NL-4FFA-B *2
3NC+1NC/1NO
Pg13.5
D4NL-1GFA-B
G1/2
D4NL-2GFA-B *2
M20
D4NL-4GFA-B *2
3NC+2NC
Pg13.5
D4NL-1HFA-B
G1/2
D4NL-2HFA-B *2
M20
D4NL-4HFA-B *2
Solenoid
lock

Mechanical

release
1NC/1NO+1NC/1NO
Pg13.5
D4NL-1AFG-B
G1/2
D4NL-2AFG-B
M20
D4NL-4AFG-B
1NC/1NO+2NC
Pg13.5
D4NL-1BFG-B
G1/2
D4NL-2BFG-B
M20
D4NL-4BFG-B
2NC+1NC/1NO
Pg13.5
D4NL-1CFG-B
G1/2
D4NL-2CFG-B
M20
D4NL-4CFG-B
2NC+2NC
Pg13.5
D4NL-1DFG-B
G1/2
D4NL-2DFG-B
M20
D4NL-4DFG-B
2NC/1NO+1NC/1NO
Pg13.5
D4NL-1EFG-B
G1/2
D4NL-2EFG-B *2
M20
D4NL-4EFG-B *2
2NC/1NO+2NC
Pg13.5
D4NL-1FFG-B
G1/2
D4NL-2FFG-B *2
M20
D4NL-4FFG-B *2
3NC+1NC/1NO
Pg13.5
D4NL-1GFG-B
G1/2
D4NL-2GFG-B *2
M20
D4NL-4GFG-B *2
3NC+2NC
Pg13.5
D4NL-1HFG-B
G1/2
D4NL-2HFG-B *2
M20
D4NL-4HFG-B *2
Special
release

key

(resin)
Solenoid:
24 VDC

Orange LED:

10 to 115

VAC/VDC
Mechanical
lock

Solenoid

release
1NC/1NO+1NC/1NO
Pg13.5
D4NL-1AFA-B4
G1/2
D4NL-2AFA-B4
M20
D4NL-4AFA-B4
1NC/1NO+2NC
Pg13.5
D4NL-1BFA-B4
G1/2
D4NL-2BFA-B4
M20
D4NL-4BFA-B4
2NC+1NC/1NO
Pg13.5
D4NL-1CFA-B4
G1/2
D4NL-2CFA-B4
M20
D4NL-4CFA-B4
2NC+2NC
Pg13.5
D4NL-1DFA-B4
G1/2
D4NL-2DFA-B4
M20
D4NL-4DFA-B4
2NC/1NO+1NC/1NO
Pg13.5
D4NL-1EFA-B4
G1/2
D4NL-2EFA-B4 *2
M20
D4NL-4EFA-B4 *2
2NC/1NO+2NC
Pg13.5
D4NL-1FFA-B4
G1/2
D4NL-2FFA-B4 *2
M20
D4NL-4FFA-B4 *2
3NC+1NC/1NO
Pg13.5
D4NL-1GFA-B4
G1/2
D4NL-2GFA-B4 *2
M20
D4NL-4GFA-B4 *2
3NC+2NC
Pg13.5
D4NL-1HFA-B4
G1/2
D4NL-2HFA-B4 *2
M20
D4NL-4HFA-B4 *2
Solenoid
lock

Mechanical

release
1NC/1NO+1NC/1NO
Pg13.5
D4NL-1AFG-B4
G1/2
D4NL-2AFG-B4
M20
D4NL-4AFG-B4
1NC/1NO+2NC
Pg13.5
D4NL-1BFG-B4
G1/2
D4NL-2BFG-B4
M20
D4NL-4BFG-B4
2NC+1NC/1NO
Pg13.5
D4NL-1CFG-B4
G1/2
D4NL-2CFG-B4
M20
D4NL-4CFG-B4
2NC+2NC
Pg13.5
D4NL-1DFG-B4
G1/2
D4NL-2DFG-B4
M20
D4NL-4DFG-B4
2NC/1NO+1NC/1NO
Pg13.5
D4NL-1EFG-B4
G1/2
D4NL-2EFG-B4 *2
M20
D4NL-4EFG-B4 *2
2NC/1NO+2NC
Pg13.5
D4NL-1FFG-B4
G1/2
D4NL-2FFG-B4 *2
M20
D4NL-4FFG-B4 *2
3NC+1NC/1NO
Pg13.5
D4NL-1GFG-B4
G1/2
D4NL-2GFG-B4 *2
M20
D4NL-4GFG-B4 *2
3NC+2NC
Pg13.5
D4NL-1HFG-B4
G1/2
D4NL-2HFG-B4 *2
M20
D4NL-4HFG-B4 *2
Plastic
Standard
(metal)
Solenoid:
24 VDC

Orange LED:

10 to 115

VAC/VDC
Mechanical
lock

Solenoid

release
2NC/1NO+1NC/1NO
G1/2
D4NL-2EFA-B-SJ *2
M20
D4NL-4EFA-B-SJ *2
2NC/1NO+2NC
G1/2
D4NL-2FFA-B-SJ *2
M20
D4NL-4FFA-B-SJ *2
3NC+1NC/1NO
G1/2
D4NL-2GFA-B-SJ *2
M20
D4NL-4GFA-B-SJ *2
3NC+2NC
G1/2
D4NL-2HFA-B-SJ *2
M20
D4NL-4HFA-B-SJ *2
Solenoid
lock

Mechanical

release
2NC/1NO+1NC/1NO
G1/2
D4NL-2EFG-B-SJ *2
M20
D4NL-4EFG-B-SJ *2
2NC/1NO+2NC
G1/2
D4NL-2FFG-B-SJ *2
M20
D4NL-4FFG-B-SJ *2
3NC+1NC/1NO
G1/2
D4NL-2GFG-B-SJ *2
M20
D4NL-4GFG-B-SJ *2
3NC+2NC
G1/2
D4NL-2HFG-B-SJ *2
M20
D4NL-4HFG-B-SJ *2
*1. Switches with metal heads can also be manufactured upon request. Ask your OMRON representative for details.
*2.
Models with Korean S-mark certification.
Operation Keys
Type
Model
Horizontal mounting
D4DS-K1
Vertical mounting
D4DS-K2
Adjustable mounting (Horizontal)
D4DS-K3
Adjustable mounting (Horizontal/Vertical)
D4DS-K5