• Best-selling guard lock safety-door switch available in several
compact, multi-contact models
• Selectable Operation Key insertion direction and adjustable
mounting ensure installation flexibility
• Built-in switches with multiple-contact construction are available
• Key holding force of 1,300 N minimum
• Can be used for either standard loads or microloads
• Lineup includes models with a conduit size of M20
• IP67 degree of protection
• Variety of metallic heads available
• A Rapid Delivery Product: Select models are available for
shipment today or within 3 to 5 days
D4NL
For full product information, visit www.sti.com. Use the SpeedSpec Code or scan the QR Code for quick access to the specific web page.
S
G
Specifications
Standards and EC Directives
Conforms to the following EC Directives:
• Machinery Directive
• Low Voltage Directive
• EN 1088
• EN 60204-1
• GS-ET-19
Certified Standards
Certification
body
TÜV SÜD
UL *1
CQC (CCC)
KOSHA *2
Standard
EN 60947-5-1
(certified direct opening)
UL 508, CSA C22.2 No.14
GB14048.5
EN60947-5-1
File No.
Consult your
representative for
details.
E76675
2003010305064267
2005-196
UL/CSA (UL 508, CSA C22.2 No. 14)
A300
Rated
voltage
120 VAC
240 VAC
Q300
Rated
voltage
125 VDC
250 VDC
Carry
current
2.5 A
Current (A)
Make
0.55
0.27
Break
0.55
0.27
Volt-amperes (VA)
Make
69
Break
69
Carry
current
10 A
Current (A)
Make
60
30
Break
6
3
Volt-amperes (VA)
Make
7,200
Break
720
Solenoid Coil Characteristics
Item
Type
24 VDC
24 VDC
-15%
+10%
110 VAC
110 VAC
±10%
Approx.
50 mA
Class F (130°C max.)
230 VAC
230 VAC
±10%
Approx.
30 mA
*1. ertification for CSA C22.2 No. 14 is certified by the UL mark.
C
*2. nly certain models have been certified.
O
Rated operating
voltage (100% ED)
Current consumption
Insulation Class
Approx.
200 mA
Certified Standard Ratings
TÜV (EN 60947-5-1), CCC (GB14048.5)
Item
Utilization category
AC-15
3 A
240 V
DC-13
0.27 A
250 V
Rated operating current (Ie)
Rated operating voltage (Ue)
Indicator Characteristics
Item
Rated voltage
Current consumption
Color (LED)
Type
LED
10 to 115 VAC/VDC
Approx. 1 mA
Orange
Note: Use a 10 A fuse type gI or gG that conforms to IEC 60269 as a short-
circuit protection device. This fuse is not built into the Switch.
Select models are available for Rapid Delivery.
Visit this product on www.sti.com for details..
www.sti.com/info
G15
D4NL
Safety Interlock Switches
Connections
Contact Form
Indicates conditions where the Key is inserted and the lock is applied. Terminals 12 and 41 are connected internally (as per GS-ET-19).
Contact
(door open/closed
detection and lock
monitor)
Contact form
Door open/
Lock
closed
monitor
detection
Door open/
closed detection
Lock monitor
Model
Operating pattern
Lock position
Remarks
D4NL-□AF□-□
1NC/1NO + 1NC/1NO
Zb
11
33
12
34
41
53
Zb
42
54
11-42
33-34
53-54
Stroke
Operation
Key insertion
completion position
Extraction
completion
position
ON
Only NC contacts 11-12
have a certified direct
opening mechanism.
The terminals 11-42,
33-34, and 53-54 can be
used as unlike poles.
Only NC contacts 11-12
have a certified direct
opening mechanism.
The terminals 11-42,
33-34, and 51-52 can be
used as unlike poles.
Only NC contacts 11-12
and 31-32 have a
certified direct opening
mechanism.
The terminals 11-42,
31-32, and 53-54 can be
used as unlike poles.
Only NC contacts 11-12
and 31-32 have a
certified direct opening
mechanism.
The terminals 11-42,
31-32, and 51-52 can be
used as unlike poles.
Only NC contacts 11-12
and 21-22 have a
certified direct opening
mechanism.
The terminals 11-42,
21-22, 33-34, and 53-54
can be used as unlike
poles.
Only NC contacts 11-12
and 21-22 have a
certified direct opening
mechanism.
The terminals 11-42,
21-22, 33-34, and 51-52
can be used as unlike
poles.
Only NC contacts 11-12,
21-22, and 31-32 have a
certified direct opening
mechanism.
The terminals 11-42,
21-22, 31-32, and 53-54
can be used as unlike
poles.
Only NC contacts 11-12,
21-22, and 31-32 have a
certified direct opening
mechanism.
The terminals 11-42,
21-22, 31-32, and 51-52
can be used as unlike
poles.
Lock position
Door open/
closed detection
Lock monitor
D4NL-□BF□-□
1NC/1NO + 2NC
11
33
Zb
12
34
41
51
Zb
42
52
11-42
33-34
51-52
Stroke
Operation
Key insertion
completion position
Extraction
completion
position
ON
Lock position
G
Door open/
closed detection
Lock monitor
D4NL-□CF□-□
2NC + 1NC/1NO
11
31
Zb
12
32
Zb
41
53
42
54
11-42
31-32
53-54
Stroke
Operation
Key insertion
completion position
Extraction
completion
position
ON
Lock position
Door open/
closed detection
Lock monitor
D4NL-□DF□-□
2NC + 2NC
Zb
11
31
12
32
41
51
Zb
42
52
11-42
31-32
51-52
Stroke
Operation
Key insertion
completion position
Extraction
completion
position
ON
Lock position
Door open/
closed detection
Lock monitor
Zb
Zb
12
22
34
41
53
42
54
D4NL-□EF□-□
2NC/1NO + 1NC/1NO
11
21
33
11-42
21-22
33-34
53-54
Stroke
Operation
Key insertion
completion position
Extraction
completion
position
ON
Lock position
Door open/
closed detection
Lock monitor
Zb
Zb
12
22
34
41
51
42
52
D4NL-□FF□-□
2NC/1NO + 2NC
11
21
33
11-42
21-22
33-34
51-52
Operation
Key insertion
completion position
ON
Stroke
Extraction
completion
position
Lock position
Door open/
closed detection
Lock monitor
D4NL-□GF□-□
3NC + 1NC/1NO
Zb
11
21
31
12
22
32
41
53
Zb
42
54
11-42
21-22
31-32
53-54
Operation
Key insertion
completion position
ON
Stroke
Extraction
completion
position
Lock position
Door open/
closed detection
Lock monitor
Zb
Zb
12
22
32
41
51
42
52
D4NL-□HF□-□
3NC + 2NC
11
21
31
11-42
21-22
31-32
51-52
Stroke
Operation
Key insertion
completion position
Extraction
completion
position
ON
G16
www.sti.com/info
D4NL
Safety Interlock Switches
Dimensions and Operating Characteristics
Switches
D4NL-□□□□-B
15.5
30.5
Pre-travel distance
8
(mm)
Red
Black
10.0
15.3
Four, head mounting screws
Operation Key
Three, 4.3-dia. holes
4
29
6.5
Operating
characteristics
Key insertion force
Key extraction
force
Pre-travel distance
Movement before
being locked
D4NL-□□□□-
BS
15 N max.
30 N max.
9 mm max.
3 mm min.
28.5 4.4
Dummy cap
Indicator
UNLOCK
32
±0.2
6.5
29
0.5
59
(13.3)
LOCK
(55.8)
Five, cover
mounting screws
(32.3)
55
±0.2
(3)
(95)
4
0.5
35.5
5
Release key
(30.7)
(57.9)
79
±0.2
(88.5)
Conduit cap
4.5
Cap screw
29
6.5
(15.3)
G
(10)
UNLOCK
LOCK
Conduit opening
D4NL-□□□□-B4
15.5
30.5
8
Red
Pre-travel distance
Black
10.0
15.3
Four, head mounting screws
Operation Key
Three, 4.3-dia. holes
4
29
6.5
Operating
characteristics
Key insertion force
Key extraction force
Pre-travel distance
Movement before
being locked
D4NL-□□□□-
B4
15 N max.
30 N max.
9 mm max.
3 mm min.
28.5 4.4
Dummy cap
Indicator
UNLOCK
32
±0.2
6.5
29
0.5
59
(13.3)
LOCK
(55.8)
Five, cover
mounting screws
(95)
(32.3)
55
±0.2
(3)
4
Cap screw
4.5
Conduit cap
29
6.5
(15.3)
0.5
35.5
5
M8 hexagonal material
or equivalent
8
21
Releasing tool
Release key
(provided)
10.5
(10)
(30.7)
(57.9)
79
±0.2
(88.5)
UNLOCK
LOCK
Conduit opening
Notes:
1. Unless otherwise specified, a tolerance of ±0.4 mm applies to all dimensions.
2. There are fluctuations in the contact ON/OFF timing for Switches with multiple poles (2NC, 2NC/1NO, or 3NC). Confirm performance before application.
Select models are available for Rapid Delivery.
Visit this product on www.sti.com for details..
www.sti.com/info
G17
D4NL
Safety Interlock Switches
Dimensions and Operating Characteristics (continued)
D4NL-□□□□-BS
15.5
30.5
Pre-travel distance
8
(mm)
Red
Black
10.0
15.3
Four, head mounting screws
Operation Key
Three, 4.3-dia. holes
4
29
6.5
Operating
characteristics
Key insertion force
Key extraction
force
Pre-travel distance
Movement before
being locked
D4NL-□□□□-
BS
15 N max.
30 N max.
9 mm max.
3 mm min.
28.5 4.4
Release key
Indicator
UNLOCK
32
±0.2
6.5
29
0.5
59
(13.3)
LOCK
(31.5)
(55.8)
Five, cover
mounting screws
(95)
(32.3)
55
±0.2
(3)
4
Cap screw
4.5
Conduit cap
29
6.5
(15.3)
0.5
35.5
5
Dummy cap
(30.7)
(57.9)
79
±0.2
(88.5)
UNLOCK
LOCK
Conduit opening
G
D4NL-□□□□-B4S
15.5
30.5
Pre-travel distance
8
15.3
Red
10.0
Four, head mounting screws
Operation Key
Three, 4.3-dia. holes
4
29
6.5
Black
28.5 4.4
Release key
Indicator
UNLOCK
Operating
characteristics
Key insertion force
Key extraction force
Pre-travel distance
Movement before
being locked
D4NL-□□□□-
B4S
15 N max.
30 N max.
9 mm max.
3 mm min.
32
±0.2
6.5
29
0.5
59
(13.3)
LOCK
(31.5)
(55.8)
Five, cover
mounting screws
(30.7)
(57.9)
79
±0.2
(88.5)
(32.3)
55
±0.2
(3)
(95)
4
Cap screw
4.5
Conduit cap
29
6.5
(15.3)
0.5
35.5
5
Releasing tool
Dummy
(provided)
cap
10.5
21
M8 hexagonal material
or equivalent
8
Notes:
1. Unless otherwise specified, a tolerance
of ±0.4 mm applies to all dimensions.
2. There are fluctuations in the contact
ON/OFF timing for Switches with multiple
poles (2NC, 2NC/1NO, or 3NC). Confirm
performance before application.
UNLOCK
LOCK
Conduit opening
Operation Keys
D4DS-K1
7
30
15
7
Four, 2.15R
17.5
13
4.3
13
Black
28
D4DS-K3
14
4
28
8 dia.
4.5 dia.
9 dia.
Angle adjustment bolt
13
20°
2
6.3
15
28
2
30
40
56
D4DS-K2
9
30
28
6
10.5
7
15
7
Four, 2.15R
D4DS-K5
20.9
4
24.6
22.5
Mounting Holes
(Enlargement)
17
15
4.5
8
13
15°
43
13
Black
18°
41
30
55
41
43
2 4.3
6.5
18
(7)
G18
www.sti.com/info
D4NL
Safety Interlock Switches
Dimensions and Operating Characteristics (continued)
