D4SL-N

Guard-lock safety door switch

The D4SL-N guard-lock provides a wide range of models for the safe monitoring of entries and positions of guards.

Key holding force 1,300 N
4, 5 and 6 contact types
Terminal block types and connector types
Drive solenoid directly from the controller
Turning key insertion point without detaching head

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Specifications & ordering info

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Common features

Door switch type Key-operated
Guard-lock TRUE
Material housing Plastic
Ambient temperature (operating) -10-55 °C
Holding force 1300 N
Direction of operation Adjustable
Lock/Release key type Standard key
Lock/Release key position Front + Back
Lock/Release key material Metal
Solenoid voltage 24 V
Cable length 0 m
Degree of protection (IP) IP67

Material head (2)

Metal ()
Resin ()

Door contacts NC (3)

1 ()
2 ()
3 ()

Door contacts NO (2)

0 ()
1 ()

Lock monitor contacts NC (3)

1 ()
2 ()
3 ()

Lock monitor contacts NO (2)

0 ()
1 ()

LED indicator (2)

No ()
Yes ()

Connection method (2)

System connector ()
Terminal block ()

Conduit size (2)

G1/2 ()
M20 ()

Switch without actuator (1)

Yes ()

Lock/Release logic (2)

Power to lock (Solenoid lock) ()
Power to unlock (Mechanical lock) ()

Produkt	Door switch type	Guard-lock	Material housing	Material head	Ambient temperature (operating)	Holding force	Direction of operation	Door contacts NC	Door contacts NO	Lock monitor contacts NC	Lock monitor contacts NO	Lock/Release key type	Lock/Release key position	Lock/Release key material	Solenoid voltage	LED indicator	Connection method	Degree of protection (IP)	Conduit size	Switch without actuator	Lock/Release logic	Description
D4SL-N2DFG	Key-operated	Yes	Plastic	Resin	-10-55 °C	1300 N	Adjustable	2	0	2	0	Standard key	Front + Back	Metal	24 V	No	System connector	IP67	G1/2	Yes	Power to lock (Solenoid lock)	Guard lock safety door switch, G1/2 coduit, 2NC + 2NC, resin head, 24 VDC solenoid lock.
D4SL-N2NFA-D	Key-operated	Yes	Plastic	Resin	-10-55 °C	1300 N	Adjustable	2	1	2	1	Standard key	Front + Back	Metal	24 V	Yes	Terminal block	IP67	G1/2	Yes	Power to unlock (Mechanical lock)	Guard lock safety door switch, G1/2 coduit, 2NC/1NO+2NC/1NO, resin, Mechanical lock/24VDC solenoid release, LED indicator
D4SL-N2NFG-DN	Key-operated	Yes	Plastic	Resin	-10-55 °C	1300 N	Adjustable	2	1	2	1	Standard key	Front + Back	Metal	24 V	Yes	System connector	IP67	G1/2		Power to lock (Solenoid lock)	Guard lock safety door switch, G1/2 coduit, 2NC/1NO+2NC/1NO, resin head, solenoid lock, connector
D4SL-N4AFA	Key-operated	Yes	Plastic	Resin	-10-55 °C	1300 N	Adjustable	1	1	1	1	Standard key	Front + Back	Metal	24 V	No	System connector	IP67	M20		Power to unlock (Mechanical lock)	Guard lock safety-door switch, D4SL-N, M20, 1NC/1NO + 1NC/1NO, head: resin, mechanical lock/24VDC solenoid release
D4SL-N4AFA-N	Key-operated	Yes	Plastic	Resin	-10-55 °C	1300 N	Adjustable	1	1	1	1	Standard key	Front + Back	Metal	24 V	No	System connector	IP67	M20	Yes	Power to unlock (Mechanical lock)	Guard lock safety-door switch, M20, 1NC/1NO + 1NC/1NO, head: resin, Mechanical lock/24VDC solenoid release, connector
D4SL-N4AFG	Key-operated	Yes	Plastic	Resin	-10-55 °C	1300 N	Adjustable	1	1	1	1	Standard key	Front + Back	Metal	24 V	No	System connector	IP67	M20		Power to lock (Solenoid lock)	Guard lock safety-door switch, D4SL-N, M20, 1NC/1NO + 1NC/1NO, head: resin, 24VDC solenoid lock/mechanical release
D4SL-N4CFA	Key-operated	Yes	Plastic	Resin	-10-55 °C	1300 N	Adjustable	2	0	1	1	Standard key	Front + Back	Metal	24 V	No	System connector	IP67	M20		Power to unlock (Mechanical lock)	Guard lock safety-door switch, D4SL-N, M20, 2NC + 1NC/1NO, head: resin, Mechanical lock/24VDC solenoid release
D4SL-N4CFG	Key-operated	Yes	Plastic	Resin	-10-55 °C	1300 N	Adjustable	2	0	1	1	Standard key	Front + Back	Metal	24 V	No	System connector	IP67	M20		Power to lock (Solenoid lock)	Guard lock safety-door switch, D4SL-N, M20, 2NC + 1NC/1NO, head: resin, 24VDC solenoid lock/mechanical release
D4SL-N4DFA	Key-operated	Yes	Plastic	Resin	-10-55 °C	1300 N	Adjustable	2	0	2	0	Standard key	Front + Back	Metal	24 V	No	System connector	IP67	M20		Power to unlock (Mechanical lock)	Guard lock safety-door switch, D4SL-N, M20, 2NC + 2NC, head: resin, Mechanical lock/24VDC solenoid release
D4SL-N4DFG	Key-operated	Yes	Plastic	Resin	-10-55 °C	1300 N	Adjustable	2	0	2	0	Standard key	Front + Back	Metal	24 V	No	System connector	IP67	M20		Power to lock (Solenoid lock)	Guard lock safety-door switch, D4SL-N, M20, 2NC + 2NC, head: resin, 24VDC solenoid lock/mechanical release
D4SL-N4EDA-D	Key-operated	Yes	Plastic	Metal	-10-55 °C	1300 N	Adjustable	2	1	1	1	Standard key	Front + Back	Metal	24 V	Yes	Terminal block	IP67	M20	Yes	Power to unlock (Mechanical lock)	Door locking switch, M20, 2NC/1NO + 1NC/1NO, head: metal, Mechanical lock/24VDC solenoid release, LED indicator
D4SL-N4EDG-DN	Key-operated	Yes	Plastic	Metal	-10-55 °C	1300 N	Adjustable	2	1	1	1	Standard key	Front + Back	Metal	24 V	Yes	System connector	IP67	M20	Yes	Power to lock (Solenoid lock)	Door locking switch, M20, 2NC/1NO + 1NC/1NO, head: metal, 24VDC solenoid lock/mechanical release, LED indicator, connector
D4SL-N4EFA-D	Key-operated	Yes	Plastic	Resin	-10-55 °C	1300 N	Adjustable	2	1	1	1	Standard key	Front + Back	Metal	24 V	Yes	Terminal block	IP67	M20	Yes	Power to unlock (Mechanical lock)	Guard lock safety-door switch, D4SL-N, M20, 2NC/1NO + 1NC/1NO, head: resin, Mechanical lock/24VDC solenoid release, LED indicator
D4SL-N4EFA-DN	Key-operated	Yes	Plastic	Resin	-10-55 °C	1300 N	Adjustable	2	1	1	1	Standard key	Front + Back	Metal	24 V	Yes	System connector	IP67	M20	Yes	Power to unlock (Mechanical lock)	Door locking switch, M20, 2NC/1NO + 1NC/1NO, head: resin, Mechanical lock/24VDC solenoid release, LED indicator, connector
D4SL-N4EFG-D	Key-operated	Yes	Plastic	Resin	-10-55 °C	1300 N	Adjustable	2	1	1	1	Standard key	Front + Back	Metal	24 V	Yes	Terminal block	IP67	M20	Yes	Power to lock (Solenoid lock)	Guard lock safety-door switch, D4SL-N, M20, 2NC/1NO + 1NC/1NO, head: resin, 24VDC solenoid lock/mechanical release, LED indicator
D4SL-N4FFA-D	Key-operated	Yes	Plastic	Resin	-10-55 °C	1300 N	Adjustable	2	1	2	0	Standard key	Front + Back	Metal	24 V	Yes	Terminal block	IP67	M20	Yes	Power to unlock (Mechanical lock)	Guard lock safety-door switch, D4SL-N, M20, 2NC/1NO + 2NC, head: resin, Mechanical lock/24VDC solenoid release, LED indicator
D4SL-N4FFG-D	Key-operated	Yes	Plastic	Resin	-10-55 °C	1300 N	Adjustable	2	1	2	0	Standard key	Front + Back	Metal	24 V	Yes	Terminal block	IP67	M20	Yes	Power to lock (Solenoid lock)	Guard lock safety-door switch, D4SL-N, M20, 2NC/1NO + 2NC, head: resin, 24VDC solenoid lock/mechanical release, LED indicator
D4SL-N4GDA-D	Key-operated	Yes	Plastic	Metal	-10-55 °C	1300 N	Adjustable	3	0	1	1	Standard key	Front + Back	Metal	24 V	Yes	Terminal block	IP67	M20	Yes	Power to unlock (Mechanical lock)	Door locking switch, M20, 3NC + 1NC/1NO, head: metal, Mechanical lock/24VDC solenoid release, LED indicator
D4SL-N4GFA-D	Key-operated	Yes	Plastic	Resin	-10-55 °C	1300 N	Adjustable	3	0	1	1	Standard key	Front + Back	Metal	24 V	Yes	Terminal block	IP67	M20	Yes	Power to unlock (Mechanical lock)	Guard lock safety-door switch, D4SL-N, M20, 3NC + 1NC/1NO, head: resin, Mechanical lock/24VDC solenoid release, LED indicator
D4SL-N4GFA-DN	Key-operated	Yes	Plastic	Resin	-10-55 °C	1300 N	Adjustable	3	0	1	1	Standard key	Front + Back	Metal	24 V	Yes	System connector	IP67	M20	Yes	Power to unlock (Mechanical lock)	Door locking switch, M20, 3NC + 1NC/1NO, head: resin, Mechanical lock/24VDC solenoid release, LED indicator, connector
D4SL-N4GFG-D	Key-operated	Yes	Plastic	Resin	-10-55 °C	1300 N	Adjustable	3	0	1	1	Standard key	Front + Back	Metal	24 V	Yes	Terminal block	IP67	M20	Yes	Power to lock (Solenoid lock)	Guard lock safety-door switch, D4SL-N, M20, 3NC + 1NC/1NO, head: resin, 24VDC solenoid lock/mechanical release, LED indicator
D4SL-N4GFG-DN	Key-operated	Yes	Plastic	Resin	-10-55 °C	1300 N	Adjustable	3	0	1	1	Standard key	Front + Back	Metal	24 V	Yes	System connector	IP67	M20		Power to lock (Solenoid lock)	Door locking switch, M20, 3NC + 1NC/1NO, head: resin, 24VDC solenoid lock/mechanical release, LED indicator, connector
D4SL-N4HDG-D	Key-operated	Yes	Plastic	Metal	-10-55 °C	1300 N	Adjustable	3	0	2	0	Standard key	Front + Back	Metal	24 V	Yes	Terminal block	IP67	M20	Yes	Power to lock (Solenoid lock)	Door locking switch, M20, 3NC+ 2NC, head: metal, 24VDC solenoid lock/mechanical release, LED indicator
D4SL-N4HFA-D	Key-operated	Yes	Plastic	Resin	-10-55 °C	1300 N	Adjustable	3	0	2	0	Standard key	Front + Back	Metal	24 V	Yes	Terminal block	IP67	M20	Yes	Power to unlock (Mechanical lock)	Guard lock safety-door switch, D4SL-N, M20, 3NC + 2NC, head: resin, Mechanical lock/24VDC solenoid release, LED indicator
D4SL-N4HFG-D	Key-operated	Yes	Plastic	Resin	-10-55 °C	1300 N	Adjustable	3	0	2	0	Standard key	Front + Back	Metal	24 V	Yes	Terminal block	IP67	M20	Yes	Power to lock (Solenoid lock)	Guard lock safety-door switch, D4SL-N, M20, 3NC + 2NC, head: resin, 24VDC solenoid lock/mechanical release, LED indicator
D4SL-N4NDA-D	Key-operated	Yes	Plastic	Metal	-10-55 °C	1300 N	Adjustable	2	1	2	1	Standard key	Front + Back	Metal	24 V	Yes	Terminal block	IP67	M20	Yes	Power to unlock (Mechanical lock)	Guard lock safety door switch, M20 coduit, 2NC/1NO+2NC/1NO, metal head, solenoid release, terminal block
D4SL-N4NDG-D	Key-operated	Yes	Plastic	Metal	-10-55 °C	1300 N	Adjustable	2	1	2	1	Standard key	Front + Back	Metal	24 V	Yes	Terminal block	IP67	M20	Yes	Power to lock (Solenoid lock)	Guard lock safety door switch, M20 coduit, 2NC/1NO+2NC/1NO, metal head, solenoid lock, terminal block
D4SL-N4NDG-DN	Key-operated	Yes	Plastic	Metal	-10-55 °C	1300 N	Adjustable	2	1	2	1	Standard key	Front + Back	Metal	24 V	Yes	System connector	IP67	M20	Yes	Power to lock (Solenoid lock)	Guard lock safety door switch, M20 coduit, 2NC/1NO+2NC/1NO, metal head, solenoid lock, connector
D4SL-N4NFA-D	Key-operated	Yes	Plastic	Resin	-10-55 °C	1300 N	Adjustable	2	1	2	1	Standard key	Front + Back	Metal	24 V	Yes	Terminal block	IP67	M20	Yes	Power to unlock (Mechanical lock)	Guard lock safety-door switch, D4SL-N, M20, 2NC/1NO + 2NC/1NO, head: resin, mechanical lock/24VDC solenoid release, 24VDC (LED indicator)
D4SL-N4NFA-DN	Key-operated	Yes	Plastic	Resin	-10-55 °C	1300 N	Adjustable	2	1	2	1	Standard key	Front + Back	Metal	24 V	Yes	System connector	IP67	M20		Power to unlock (Mechanical lock)	Guard lock safety-door switch, D4SL-N, M20, 2NC/1NO + 2NC/1NO, head: resin, Mechanical lock/24VDC solenoid release, LED indicator, connector
D4SL-N4NFG-D	Key-operated	Yes	Plastic	Resin	-10-55 °C	1300 N	Adjustable	2	1	2	1	Standard key	Front + Back	Metal	24 V	Yes	Terminal block	IP67	M20	Yes	Power to lock (Solenoid lock)	Guard lock safety-door switch, D4SL-N, M20, 2NC/1NO + 2NC/1NO, head: resin, 24VDC solenoid lock/mechanical release, LED indicator
D4SL-N4QDA-D	Key-operated	Yes	Plastic	Metal	-10-55 °C	1300 N	Adjustable	3	0	2	1	Standard key	Front + Back	Metal	24 V	Yes	Terminal block	IP67	M20		Power to unlock (Mechanical lock)	Door locking switch, M20, 3NC + 2NC/1NO, head: metal, Mechanical lock/24VDC solenoid release, LED indicator
D4SL-N4QDG-D	Key-operated	Yes	Plastic	Metal	-10-55 °C	1300 N	Adjustable	3	0	2	1	Standard key	Front + Back	Metal	24 V	Yes	Terminal block	IP67	M20		Power to lock (Solenoid lock)	Door locking switch, M20, 3NC + 2NC/1NO head: metal, 24VDC solenoid lock/mechanical release, LED indicator
D4SL-N4RDA-D	Key-operated	Yes	Plastic	Metal	-10-55 °C	1300 N	Adjustable	3	0	3	0	Standard key	Front + Back	Metal	24 V	Yes	Terminal block	IP67	M20	Yes	Power to unlock (Mechanical lock)	Guard lock safety door switch, M20 coduit, 3NC+3NC, metal head, solenoid release, terminal block
D4SL-N4RDA-DN	Key-operated	Yes	Plastic	Metal	-10-55 °C	1300 N	Adjustable	3	0	3	0	Standard key	Front + Back	Metal	24 V	Yes	System connector	IP67	M20	Yes	Power to unlock (Mechanical lock)	Guard lock safety door switch, M20 coduit, 3NC+3NC, metal head, solenoid release, connector
D4SL-N4RDG-D	Key-operated	Yes	Plastic	Metal	-10-55 °C	1300 N	Adjustable	3	0	3	0	Standard key	Front + Back	Metal	24 V	Yes	Terminal block	IP67	M20	Yes	Power to lock (Solenoid lock)	Guard lock safety door switch, M20 coduit, 3NC+3NC, metal head, solenoid lock, terminal block
D4SL-N4RFA-D	Key-operated	Yes	Plastic	Resin	-10-55 °C	1300 N	Adjustable	3	0	3	0	Standard key	Front + Back	Metal	24 V	Yes	Terminal block	IP67	M20	Yes	Power to unlock (Mechanical lock)	Guard lock safety-door switch, M20, 3NC + 3NC, head: resin, Mechanical lock/24VDC solenoid release, LED indicator
D4SL-N4SFG	Key-operated	Yes	Plastic	Resin	-10-55 °C	1300 N	Adjustable	1	1	1	1	Standard key	Front + Back	Metal	24 V	No	System connector	IP67	M20		Power to lock (Solenoid lock)	Guard lock safety-door switch, D4SL-N, M20, 1NC/1NO + 1NC/1NO, head: resin, 24VDC solenoid lock/mechanical release
D4SL-N4UFA	Key-operated	Yes	Plastic	Resin	-10-55 °C	1300 N	Adjustable	2	0	1	1	Standard key	Front + Back	Metal	24 V	No	System connector	IP67	M20	Yes	Power to unlock (Mechanical lock)	Guard lock safety-door switch, D4SL-N, M20, 2NC + 1NC/1NO, head: resin, Mechanical lock/24VDC solenoid release
D4SL-N4UFG	Key-operated	Yes	Plastic	Resin	-10-55 °C	1300 N	Adjustable	2	0	1	1	Standard key	Front + Back	Metal	24 V	No	System connector	IP67	M20	Yes	Power to lock (Solenoid lock)	Guard lock safety-door switch, D4SL-N, M20, 2NC + 1NC/1NO, head: resin, 24 VDC solenoid lock/mechanical release
D4SL-N4VFA	Key-operated	Yes	Plastic	Resin	-10-55 °C	1300 N	Adjustable	2	0	2	0	Standard key	Front + Back	Metal	24 V	No	System connector	IP67	M20		Power to unlock (Mechanical lock)	Guard lock safety-door switch, D4SL-N, M20, 2NC + 2NC, head: resin, Mechanical lock / 24 VDC solenoid release
D4SL-N4VFA-N	Key-operated	Yes	Plastic	Resin	-10-55 °C	1300 N	Adjustable	2	0	2	0	Standard key	Front + Back	Metal	24 V	No	System connector	IP67	M20	Yes	Power to unlock (Mechanical lock)	Guard lock safety-door switch, D4SL-N, M20, 2NC + 2NC, head: resin, Mechanical lock/24VDC solenoid release, connector
D4SL-N4VFG	Key-operated	Yes	Plastic	Resin	-10-55 °C	1300 N	Adjustable	2	0	2	0	Standard key	Front + Back	Metal	24 V	No	System connector	IP67	M20		Power to lock (Solenoid lock)	Guard lock safety-door switch, D4SL-N, M20, 2NC + 2NC, head: resin, 24 VDC solenoid lock/mechanical release