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.
*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 |