D4NL

Guard-locking door switch in plastic housing

The D4NL guard-lock safety door switches are available with four or five built-in contacts. When locked, they have a key holding force of up to 1300N. Mechanical lock/solenoid release types and vice versa set up the complete range in combination with various conduit types, e.g. M20.

Safety door switch with electromagnetic lock or unlock mechanism
Models with four or five built-in contacts
Strong key holding force: 1300N
For standard loads and micro loads
Keys are compatible with D4GL and D4NS

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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
Connection method Terminal block
Cable length 0 m
Direction of operation Adjustable
Holding force 1300 N
LED indicator TRUE
Degree of protection (IP) IP67

Material head (2)

Metal ()
Plastic ()

Door contacts NC (3)

1 ()
2 ()
3 ()

Door contacts NO (2)

0 ()
1 ()

Lock monitor contacts NC (2)

1 ()
2 ()

Lock monitor contacts NO (2)

0 ()
1 ()

Lock/Release key type (2)

Special key ()
Standard key ()

Lock/Release key position (2)

Bottom ()
Front ()

Lock/Release key material (1)

Metal ()

Solenoid voltage (2)

24 V ()
110 V ()

Conduit size (3)

G1/2 ()
M20 ()
PG13.5 ()

Switch without actuator (1)

Yes ()

Lock/Release logic (2)

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

Product	Door switch type	Guard-lock	Material housing	Material head	Ambient temperature (operating)	Connection method	Direction of operation	Holding force	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	Degree of protection (IP)	Conduit size	Switch without actuator	Lock/Release logic	Description
D4NL-1AFA-B	Key-operated	Yes	Plastic	Plastic	-10-55 °C	Terminal block	Adjustable	1300 N	1	1	1	1	Standard key	Bottom		24 V	Yes	IP67	PG13.5		Power to unlock (Mechanical lock)	Safety door-lock switch, mechanical lock, 24 VDC, 1NC/1NO + 1NC/1NO, 10 A, PG 13.5 entry
D4NL-1AFB-B	Key-operated	Yes	Plastic	Plastic	-10-55 °C	Terminal block	Adjustable	1300 N	1	1	1	1	Standard key	Bottom	Metal	110 V	Yes	IP67	PG13.5	Yes	Power to unlock (Mechanical lock)	Safety door-lock switch, PG13.5 entry, 1NC/1NO + 1NC/1NO, mechanical lock, 110 VAC
D4NL-1AFG-B	Key-operated	Yes	Plastic	Plastic	-10-55 °C	Terminal block	Adjustable	1300 N	1	1	1	1	Standard key	Bottom		24 V	Yes	IP67	PG13.5		Power to lock (Solenoid lock)	Safety door-lock switch, solenoid lock, 24 VDC, 1NC/1NO + 1NC/1NO, 10 A, PG 13.5 entry
D4NL-1BFA-B	Key-operated	Yes	Plastic	Plastic	-10-55 °C	Terminal block	Adjustable	1300 N	1	1	2	0	Standard key	Bottom	Metal	24 V	Yes	IP67	PG13.5	Yes	Power to unlock (Mechanical lock)	Safety door-lock switch, mechanical lock, 24 VDC, 1NC/1NO + 2NC, 10 A, PG 13.5 entry
D4NL-1CFA-B	Key-operated	Yes	Plastic	Plastic	-10-55 °C	Terminal block	Adjustable	1300 N	2	0	1	1	Standard key	Bottom		24 V	Yes	IP67	PG13.5		Power to unlock (Mechanical lock)	Safety door-lock switch, mechanical lock, 24 VDC, 2NC + 1NC/1NO, 10 A, PG 13.5 entry
D4NL-1CFG-B	Key-operated	Yes	Plastic	Plastic	-10-55 °C	Terminal block	Adjustable	1300 N	2	0	1	1	Standard key	Bottom	Metal	24 V	Yes	IP67	PG13.5	Yes	Power to lock (Solenoid lock)	Safety door-lock switch, solenoid lock, 24 VDC, 2NC + 1NC/1NO, 10 A, PG 13.5 entry
D4NL-1DFA-B	Key-operated	Yes	Plastic	Plastic	-10-55 °C	Terminal block	Adjustable	1300 N	2	0	2	0	Standard key	Bottom		24 V	Yes	IP67	PG13.5		Power to unlock (Mechanical lock)	Safety door-lock switch, mechanical lock, 24 VDC, 2NC + 2NC, 10 A, PG 13.5 entry
D4NL-1DFA-B4	Key-operated	Yes	Plastic	Plastic	-10-55 °C	Terminal block	Adjustable	1300 N	2	0	2	0	Special key	Bottom	Metal	24 V	Yes	IP67	PG13.5	Yes	Power to unlock (Mechanical lock)	Safety door-lock switch, PG13.5 entry, 2NC + 2NC, mechanical lock, 24 VDC,
D4NL-1DFA-BS	Key-operated	Yes	Plastic	Plastic	-10-55 °C	Terminal block	Adjustable	1300 N	2	0	2	0	Standard key	Front		24 V	Yes	IP67	PG13.5		Power to unlock (Mechanical lock)	Safety door-lock switch, mechanical lock, 24 VDC, 2NC + 2NC, PG13.5 entry, Front key release
D4NL-1DFG-B	Key-operated	Yes	Plastic	Plastic	-10-55 °C	Terminal block	Adjustable	1300 N	2	0	2	0	Standard key	Bottom		24 V	Yes	IP67	PG13.5		Power to lock (Solenoid lock)	Safety door-lock switch, solenoid lock, 24 VDC, 2NC + 2NC, PG13.5 entry, Front key release
D4NL-1EFA-B	Key-operated	Yes	Plastic	Plastic	-10-55 °C	Terminal block	Adjustable	1300 N	2	1	1	1	Standard key	Bottom	Metal	24 V	Yes	IP67	PG13.5	Yes	Power to unlock (Mechanical lock)	Safety door-lock switch, PG13.5 entry, 2NC/1NO + 1NC/1NO, mechanical lock, 24 VDC
D4NL-1HDG-B	Key-operated	Yes	Plastic	Metal	-10-55 °C	Terminal block	Adjustable	1300 N	3	0	2	0	Standard key	Bottom	Metal	24 V	Yes	IP67	PG13.5	Yes	Power to lock (Solenoid lock)	Safety door-lock switch, PG13.5 entry, 3NC + 2NC, metal head, solenoid lock, 24 VDC,
D4NL-1HFG-B	Key-operated	Yes	Plastic	Plastic	-10-55 °C	Terminal block	Adjustable	1300 N	3	0	2	0	Standard key	Bottom		24 V	Yes	IP67	PG13.5		Power to lock (Solenoid lock)	Safety door-lock switch, PG13.5 entry, 3NC + 2NC, solenoid lock, 24 VDC
D4NL-2AFA-B	Key-operated	Yes	Plastic	Plastic	-10-55 °C	Terminal block	Adjustable	1300 N	1	1	1	1	Standard key	Bottom		24 V	Yes	IP67	G1/2		Power to unlock (Mechanical lock)	Safety door-lock switch, G1/2 entry, 1NC/1NO + 1NC/1NO, mechanical lock, Plastic head, 24 VDC,
D4NL-2AFA-B4	Key-operated	Yes	Plastic	Plastic	-10-55 °C	Terminal block	Adjustable	1300 N	1	1	1	1	Special key	Bottom		24 V	Yes	IP67	G1/2		Power to unlock (Mechanical lock)	Safety door-lock switch, mechanical lock, 24 VDC, 1NC/1NO + 1NC/1NO, G1/2 entry
D4NL-2BFA-B	Key-operated	Yes	Plastic	Plastic	-10-55 °C	Terminal block	Adjustable	1300 N	1	1	2	0	Standard key	Bottom	Metal	24 V	Yes	IP67	G1/2	Yes	Power to unlock (Mechanical lock)	Safety door-lock switch, mechanical lock, 24 VDC, 1NC/1NO + 2NC, G1/2 entry
D4NL-2CFA-B	Key-operated	Yes	Plastic	Plastic	-10-55 °C	Terminal block	Adjustable	1300 N	2	0	1	1	Standard key	Bottom	Metal	24 V	Yes	IP67	G1/2	Yes	Power to unlock (Mechanical lock)	Safety door-lock switch, G1/2 entry, 2NC + 1NC/1NO, mechanical lock, 24 VDC,
D4NL-2CFG-B	Key-operated	Yes	Plastic	Plastic	-10-55 °C	Terminal block	Adjustable	1300 N	2	0	1	1	Standard key	Bottom	Metal	24 V	Yes	IP67	G1/2	Yes	Power to lock (Solenoid lock)	Safety door-lock switch, solenoid lock, 24 VDC, 2NC + 1NC/1NO, 10 A G1/2 entry
D4NL-2DFA-B	Key-operated	Yes	Plastic	Plastic	-10-55 °C	Terminal block	Adjustable	1300 N	2	0	2	0	Standard key	Bottom		24 V	Yes	IP67	G1/2		Power to unlock (Mechanical lock)	Safety door-lock switch, mechanical lock, 24 VDC, 2NC + 2NC, 10 A, G1/2 entry
D4NL-2DFA-B4	Key-operated	Yes	Plastic	Plastic	-10-55 °C	Terminal block	Adjustable	1300 N	2	0	2	0	Special key	Bottom		24 V	Yes	IP67	G1/2		Power to unlock (Mechanical lock)	Safety door-lock switch, mechanical lock, 24 VDC, 2NC + 2NC, G1/2 entry
D4NL-2DFG-B	Key-operated	Yes	Plastic	Plastic	-10-55 °C	Terminal block	Adjustable	1300 N	2	0	2	0	Standard key	Bottom		24 V	Yes	IP67	G1/2		Power to unlock (Mechanical lock)	Safety door-lock switch, mechanical lock, 24 VDC, 2NC + 2NC, G1/2 entry
D4NL-2EFA-B	Key-operated	Yes	Plastic	Plastic	-10-55 °C	Terminal block	Adjustable	1300 N	2	1	1	1	Standard key	Bottom	Metal	24 V	Yes	IP67	G1/2	Yes	Power to unlock (Mechanical lock)	Safety door-lock switch, G1/2 entry, 2NC/1NO + 1NC/1NO, mechanical lock, 24 VDC
D4NL-2FFA-B	Key-operated	Yes	Plastic	Plastic	-10-55 °C	Terminal block	Adjustable	1300 N	2	1	2	0	Standard key	Bottom	Metal	24 V	Yes	IP67	G1/2	Yes	Power to unlock (Mechanical lock)	Safety door-lock switch, G1/2 entry, 3NC + 2NC, mechanical lock, 24 VDC
D4NL-2FFA-B4S	Key-operated	Yes	Plastic	Plastic	-10-55 °C	Terminal block	Adjustable	1300 N	2	1	2	0	Special key	Front	Metal	24 V	Yes	IP67	G1/2	Yes	Power to unlock (Mechanical lock)	Safety door-lock switch, G1/2 entry, 2NC/1NO + 2NC, mechanical lock, 24 VDC, Front key release
D4NL-2FFG-B	Key-operated	Yes	Plastic	Plastic	-10-55 °C	Terminal block	Adjustable	1300 N	2	1	2	0	Standard key	Bottom	Metal	24 V	Yes	IP67	G1/2	Yes	Power to lock (Solenoid lock)	Safety door-lock switch, G1/2 entry, 2NC/1NO + 2NC, 24 VDC solenoid lock / mechanical release
D4NL-2HFG-B	Key-operated	Yes	Plastic	Plastic	-10-55 °C	Terminal block	Adjustable	1300 N	3	0	2	0	Standard key	Bottom		24 V	Yes	IP67	G1/2		Power to lock (Solenoid lock)	Safety door-lock switch, G1/2 entry, 3NC + 2NC, solenoid lock, 24 VDC
D4NL-4AFA-B	Key-operated	Yes	Plastic	Plastic	-10-55 °C	Terminal block	Adjustable	1300 N	1	1	1	1	Standard key	Bottom		24 V	Yes	IP67	M20		Power to unlock (Mechanical lock)	Guard lock safety-door switch, D4NL, M20, 1NC/1NO + 1NC/1NO (slow-action), head: plastic, mechanical lock/24-VDC solenoid release, 10 to 115 VAC/VDC LED indicator
D4NL-4AFG-B	Key-operated	Yes	Plastic	Plastic	-10-55 °C	Terminal block	Adjustable	1300 N	1	1	1	1	Standard key	Bottom		24 V	Yes	IP67	M20		Power to lock (Solenoid lock)	Guard lock safety-door switch, D4NL, M20, 1NC/1NO + 1NC/1NO (slow-action), head: plastic, 24-VDC solenoid lock/mechanical release, 10 to 115 VAC/VDC LED indicator
D4NL-4BFA-B	Key-operated	Yes	Plastic	Plastic	-10-55 °C	Terminal block	Adjustable	1300 N	1	1	2	0	Standard key	Bottom	Metal	24 V	Yes	IP67	M20	Yes	Power to unlock (Mechanical lock)	Guard lock safety-door switch, D4NL, M20, 1NC/1NO + 2NC (slow-action), head: plastic, mechanical lock/24-VDC solenoid release, 10 to 115 VAC/VDC LED indicator
D4NL-4CFA-B	Key-operated	Yes	Plastic	Plastic	-10-55 °C	Terminal block	Adjustable	1300 N	2	0	1	1	Standard key	Bottom		24 V	Yes	IP67	M20		Power to unlock (Mechanical lock)	Guard locking switch, M20 (1-conduit), 2NC + 1NC/1NO (slow-action), head: plastic, mechanical lock/24-VDC solenoid release, 10 to 115 VAC/VDC LED indicator
D4NL-4CFG-B	Key-operated	Yes	Plastic	Plastic	-10-55 °C	Terminal block	Adjustable	1300 N	2	0	1	1	Standard key	Bottom	Metal	24 V	Yes	IP67	M20	Yes	Power to lock (Solenoid lock)	Guard lock safety-door switch, D4NL, M20, 2NC + 1NC/1NO (slow-action), head: plastic, 24-VDC solenoid lock/mechanical release, 10 to 115 VAC/VDC LED indicator
D4NL-4DFA-B	Key-operated	Yes	Plastic	Plastic	-10-55 °C	Terminal block	Adjustable	1300 N	2	0	2	0	Standard key	Bottom	Metal	24 V	Yes	IP67	M20	Yes	Power to unlock (Mechanical lock)	Guard lock safety-door switch, D4NL, M20, 2NC + 2NC (slow-action), head: plastic, mechanical lock/24-VDC solenoid release, 10 to 115 VAC/VDC LED indicator
D4NL-4DFA-BS	Key-operated	Yes	Plastic	Plastic	-10-55 °C	Terminal block	Adjustable	1300 N	2	0	2	0	Standard key	Front	Metal	24 V	Yes	IP67	M20	Yes	Power to unlock (Mechanical lock)	D4NL switch, M20, 2NC + 2NC, Mechanical lock/24 VDC solenoid release, 10 to 115 VAC/VDC(orange LED indicator), release key position: front
D4NL-4DFG-B	Key-operated	Yes	Plastic	Plastic	-10-55 °C	Terminal block	Adjustable	1300 N	2	0	2	0	Standard key	Bottom	Metal	24 V	Yes	IP67	M20	Yes	Power to lock (Solenoid lock)	Guard lock safety-door switch, D4NL, M20, 2NC + 2NC (slow-action), head: plastic, 24-VDC solenoid lock/mechanical release, 10 to 115 VAC/VDC LED indicator
D4NL-4EFA-B	Key-operated	Yes	Plastic	Plastic	-10-55 °C	Terminal block	Adjustable	1300 N	2	1	1	1	Standard key	Bottom	Metal	24 V	Yes	IP67	M20	Yes	Power to unlock (Mechanical lock)	Guard lock safety-door switch, D4NL, M20, 2NC/1NO + 1NC/1NO (slow-action), head: plastic, mechanical lock/24-VDC solenoid release, 10 to 115 VAC/VDC LED indicator
D4NL-4EFG-B	Key-operated	Yes	Plastic	Plastic	-10-55 °C	Terminal block	Adjustable	1300 N	2	1	1	1	Standard key	Bottom		24 V	Yes	IP67	M20		Power to lock (Solenoid lock)	Guard lock safety-door switch, D4NL, M20, 2NC/1NO + 1NC/1NO (slow-action), head: plastic, 24-VDC solenoid lock/mechanical release, 10 to 115 VAC/VDC LED indicator
D4NL-4FFA-B	Key-operated	Yes	Plastic	Plastic	-10-55 °C	Terminal block	Adjustable	1300 N	2	1	2	0	Standard key	Bottom	Metal	24 V	Yes	IP67	M20	Yes	Power to unlock (Mechanical lock)	Guard lock safety-door switch, D4NL, M20, 2NC/1NO + 2NC (slow-action), head: plastic, mechanical lock/24-VDC solenoid release, 10 to 115 VAC/VDC LED indicator
D4NL-4FFA-B4	Key-operated	Yes	Plastic	Plastic	-10-55 °C	Terminal block	Adjustable	1300 N	2	1	2	0	Special key	Bottom	Metal	24 V	Yes	IP67	M20	Yes	Power to unlock (Mechanical lock)	Guard lock safety-door switch, D4NL, M20, 2NC/1NO + 2NC (slow-action), head: plastic, mechanical lock/24-VDC solenoid release, 10 to 115 VAC/VDC LED indicator, special release key on the bottom side
D4NL-4FFG-B	Key-operated	Yes	Plastic	Plastic	-10-55 °C	Terminal block	Adjustable	1300 N	2	1	2	0	Standard key	Bottom		24 V	Yes	IP67	M20		Power to lock (Solenoid lock)	Guard lock safety-door switch, D4NL, M20, 2NC/1NO + 2NC (slow-action), head: plastic, 24-VDC solenoid lock/mechanical release, 10 to 115 VAC/VDC LED indicator
D4NL-4GFA-B	Key-operated	Yes	Plastic	Plastic	-10-55 °C	Terminal block	Adjustable	1300 N	3	0	1	1	Standard key	Bottom		24 V	Yes	IP67	M20		Power to unlock (Mechanical lock)	Guard lock safety-door switch, D4NL, M20, 3NC + 1NC/1NO (slow-action), head: plastic, mechanical lock/24-VDC solenoid release, 10 to 115 VAC/VDC LED indicator
D4NL-4GFG-B	Key-operated	Yes	Plastic	Plastic	-10-55 °C	Terminal block	Adjustable	1300 N	3	0	1	1	Standard key	Bottom		24 V	Yes	IP67	M20		Power to lock (Solenoid lock)	Guard lock safety-door switch, D4NL, M20, 3NC + 1NC/1NO (slow-action), head: plastic, 24-VDC solenoid lock/mechanical release, 10 to 115 VAC/VDC LED indicator
D4NL-4HFA-B	Key-operated	Yes	Plastic	Plastic	-10-55 °C	Terminal block	Adjustable	1300 N	3	0	2	0	Standard key	Bottom		24 V	Yes	IP67	M20		Power to unlock (Mechanical lock)	Guard lock safety-door switch, D4NL, M20, 3NC + 2NC (slow-action), head: plastic, mechanical lock/24-VDC solenoid release, 10 to 115 VAC/VDC LED indicator
D4NL-4HFA-BS	Key-operated	Yes	Plastic	Plastic	-10-55 °C	Terminal block	Adjustable	1300 N	3	0	2	0	Standard key	Front		24 V	Yes	IP67	M20		Power to unlock (Mechanical lock)	Safety door-lock switch, M20 entry, 3NC + 2NC, mechanical lock, 24 VDC, Front key release
D4NL-4HFG-B	Key-operated	Yes	Plastic	Plastic	-10-55 °C	Terminal block	Adjustable	1300 N	3	0	2	0	Standard key	Bottom		24 V	Yes	IP67	M20		Power to lock (Solenoid lock)	Guard lock safety-door switch, D4NL, M20, 3NC + 2NC (slow-action), head: plastic, 24-VDC solenoid lock/mechanical release, 10 to 115 VAC/VDC LED indicator

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