Safety-door Switch
D4NS
CSM_D4NS_DS_E_5_1
Multi-contact, Labor-saving,
Environment-friendly, Next-generation
Safety-door Switch
• Lineup includes three contact models with 2NC/1NO and
3NC contact forms and MBB models in addition to the
previous contact forms 1NC/1NO, and 2NC.
• M12-connector models are available, saving on labor and
simplifying replacement.
• Standardized gold-clad contacts provide high contact
reliability.
Applicable to both standard loads and microloads.
• Variety of metallic heads available.
Be sure to read the
“Safety Precautions”
on page 10 and
the
“Precautions for All Safety Door Switches”.
Model Number Structure
Model Number Legend
Switch
Operation Key
D4NS-@@@
1 2 3
1. Conduit/Connector size
1:Pg13.5 (1-conduit)
2:G1/2 (1-conduit)
3:1/2-14NPT (1-conduit)
4:M20 (1-conduit)
5:Pg13.5 (2-conduit)
6:G1/2 (2-conduit)
7:1/2-14NPT compatible (2-conduit model with M20 conduit size
includes an M20-to-1/2-14NPT conversion adapter)
8:M20 (2-conduit)
9:M12 connector (1-conduit)
2. Built-in Switch
A:1NC/1NO (slow-action)
B:2NC (slow-action)
C:2NC/1NO (slow-action)
D:3NC (slow-action)
E:1NC/1NO (MBB contact)
F:2NC/1NO (MBB contact)
3. Head Mounting Direction
F:Four mounting directions possible (Front-side mounting at
shipping)/plastic
D:Four mounting directions possible (Front-side mounting at
shipping)/metal
Note:
An order for the head part or the switch part alone cannot be
accepted. (The Operation Key is sold separately.)
D4DS-K@
1
1. Operation Key Type
1:Horizontal mounting
2:Vertical mounting
3:Adjustable mounting (Horizontal)
5:Adjustable mounting (Horizontal/Vertical)
1
D4NS
Ordering Information
Switches (Operation Keys are sold separately.)
Type
Contact configuration
Pg13.5
1NC/1NO
G1/2
1/2-14NPT
M20
Pg13.5
2NC
Slow-action
2NC/1NO
1-Conduit
3NC
G1/2
1/2-14NPT
M20
Pg13.5
G1/2
1/2-14NPT
M20
Pg13.5
G1/2
1/2-14NPT
M20
Pg13.5
1NC/1NO
Slow-action MBB
contact
2NC/1NO
G1/2
1/2-14NPT
M20
Pg13.5
G1/2
1/2-14NPT
M20
Pg13.5
1NC/1NO
G1/2
M20, includes M20-to-1/2-14NPT conversion adapter
M20
Pg13.5
2NC
Slow-action
2NC/1NO
2-Conduit
3NC
G1/2
M20, includes M20-to-1/2-14NPT conversion adapter
M20
Pg13.5
G1/2
M20, includes M20-to-1/2-14NPT conversion adapter
M20
Pg13.5
G1/2
M20, includes M20-to-1/2-14NPT conversion adapter
M20
Pg13.5
1NC/1NO
Slow-action MBB
contact
2NC/1NO
G1/2
M20, includes M20-to-1/2-14NPT conversion adapter
M20
Pg13.5
G1/2
M20, includes M20-to-1/2-14NPT conversion adapter
M20
1-Conduit, with
connector
Slow-action
Slow-action MBB
contact
1NC/1NO
2NC
1NC/1NO
M12 connector
: Models
with
certified direct opening contacts.
Consult with your OMRON representative when ordering any models that are not listed in this table.
Conduit opening/Connector
Model
D4NS-1AF
*
D4NS-2AF
*
D4NS-3AF
D4NS-4AF
D4NS-1BF
*
D4NS-2BF
*
D4NS-3BF
D4NS-4BF
D4NS-1CF
*
D4NS-2CF
*
D4NS-3CF
D4NS-4CF
D4NS-1DF
*
D4NS-2DF
*
D4NS-3DF
D4NS-4DF
D4NS-1EF
D4NS-2EF
D4NS-3EF
D4NS-4EF
D4NS-1FF
D4NS-2FF
D4NS-3FF
D4NS-4FF
D4NS-5AF
D4NS-6AF
D4NS-7AF
D4NS-8AF
D4NS-5BF
D4NS-6BF
D4NS-7BF
D4NS-8BF
D4NS-5CF
D4NS-6CF
D4NS-7CF
D4NS-8CF
D4NS-5DF
D4NS-6DF
D4NS-7DF
D4NS-8DF
D4NS-5EF
D4NS-6EF
D4NS-7EF
D4NS-8EF
D4NS-5FF
D4NS-6FF
D4NS-7FF
D4NS-8FF
D4NS-9AF
D4NS-9BF
D4NS-9EF
Note: 1.
The recommended models for equipment and machinery being exported to Europe are those with an M20 or Pg13.5 conduit sizes, and
for North America, the recommended models are those with a 1/2-14NPT conduit sizes.
2.
Resin is used as the material for the D4NS housing and head. Use the metal D4BS Safety-door Switch for applications requiring greater
mechanical strength.
*
Models with Korean S-mark certification.
2
D4NS
Operation Keys
Type
Model
D4DS-K1
Horizontal mounting
Vertical mounting
D4DS-K2
Adjustable mounting
(Horizontal)
D4DS-K3
Adjustable mounting
(Horizontal/Vertical)
D4DS-K5
Specifications
Standards and EC Directives
Conforms to the following EC Directives:
•
•
•
•
•
•
Machinery Directive
Low Voltage Directive
EN50047
EN60204-1
EN1088
GS-ET-15
Certified Standard Ratings
TÜV (EN60947-5-1), CCC (GB14048.5)
Item
Utilization
category
3A
240 V
AC-15
DC-13
0.27 A
250 V
Rated operating current (I
e
)
Rated operating voltage (U
e
)
Certified Standards
Certification body
TÜV SÜD
UL
*1
CQC (CCC)
KOSHA
*2
Standard
EN60947-5-1
(certified direct opening)
UL508, CSA C22.2 No.14
GB14048.5
EN60947-5-1
File No.
Consult your
OMRON representative
for details.
E76675
2003010305077330
2005-197
Note:
Use a 10 A fuse type
gI
or
gG
that conforms to IEC60269 as a
short-circuit protection device. This fuse is not built into the
Switch.
UL/CSA (UL508, CSA C22.2 No. 14)
A300
Rated
voltage
120 VAC
240 VAC
Carry current
10 A
Current (A)
Make
60
30
Break
6
3
Volt-amperes (VA)
Make
7,200
Break
720
*1.
Certification for CSA C22.2 No. 14 is authorized by the UL mark.
*2.
Only certain models have been certified.
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
3
D4NS
Characteristics
Degree of protection
*1
Durability
*2
Mechanical
Electrical
Operating speed
Operating frequency
Direct opening force
*4
Direct opening travel
*4
Contact resistance
Minimum applicable load
*5
Rated insulation voltage (U
i
)
Rated frequency
Protection against electric shock
Pollution degree (operating environment)
Impulse withstand
voltage
(EN60947-5-1)
Between terminals of
same polarity
Between terminals of
different polarity
IP67 (EN60947-5-1)
1,000,000 operations min.
500,000 operations min. (3 A resistive load at 250 VAC)
*3
300,000 operations min. (10 A resistive load at 250 VAC)
0.05 to 0.5 m/s
30 operations/minute max.
60 N min.
10 mm min.
25 mΩ max.
1 mA resistive load at 5 VDC (N-level reference value)
300 V
50/60 Hz
Class II (double insulation)
3 (EN60947-5-1)
2.5 kV
4 kV
Between each terminal
6 kV
and non-current carrying
metallic parts
Insulation resistance
Contact gap
Vibration resistance
Shock resistance
Malfunction
Destruction
Malfunction
Conditional short-circuit current
Conventional free air thermal current (I
th
)
Ambient operating temperature
Ambient operating humidity
Weight
100 MΩ min.
2
×
2 mm min.
10 to 55 Hz, 0.75 mm single amplitude
1,000 m/s
2
min.
300 m/s
2
min.
100 A (EN60947-5-1)
10 A (EN60947-5-1)
−30
to 70°C (with no icing)
95% max.
Approx. 96 g (D4NS-1CF)
Note: 1.
The above values are initial values.
2.
The Switch contacts can be used with either standard loads or microloads. Once the contacts have been used to switch a load, however,
they cannot be used to switch smaller loads. The contact surfaces will become rough once they have been used and contact reliability
for smaller loads may be reduced.
*1.
The degree of protection is tested using the method specified by the standard (EN60947-5-1). Confirm that sealing properties are sufficient for
the operating conditions and environment beforehand. Although the switch box is protected from dust or water penetration, do not use the
D4NS in places where foreign material may enter through the key hole on the head, otherwise Switch damage or malfunctioning may occur.
*2.
The durability is for an ambient temperature of 5 to 35°C and an ambient humidity of 40% to 70%. For more details, consult your
OMRON representative.
*3.
Do not pass the 3 A, 250 VAC load through more than 2 circuits.
*4.
These figures are minimum requirements for safe operation.
*5.
This value will vary with the switching frequency, environment, and reliability level. Confirm that correct operation is possible with the actual
load beforehand.
4
D4NS
Structure and Nomenclature
Structure
D4NS-@A@, D4NS-@B@, D4NS-@E@
Operation
key hole
Head
The head can be mounted
in four directions.
Sealing properties
The switch casing ensures IP67
D4NS-@C@, D4NS-@D@, D4NS-@F@
Terminal 11
Terminal 12
Terminal 11
Terminal 21
Terminal 31 (33)
Terminal 12
Terminal 22
Terminal 32 (34)
Terminal 31 (33)
Terminal 32 (34)
Note:
The 2-conduit models have the same terminal arrangement.
Contact Form
Diagrams Show State with Key Inserted.
Model
Contact
Contact form
Zb
Operating pattern
11-12
33-34
ON
Stroke
Operation
Key insertion
completion
position
Extraction
completion
position
Remarks
D4NS-@A@
1NC/1NO
11
33
12
34
Only NC contacts 11-12 have
a
certified direct opening
mechanism.
The terminals 11-12
and 33-34
can
be used as unlike
poles.
Zb
11-12
31-32
12
32
Stroke
Operation
Key insertion
completion
position
Extraction
completion
position
ON
D4NS-@B@
2NC
11
31
NC contacts 11-12
and 31-32
have
a
certified direct
opening mechanism.
The terminals 11-12
and 31-32
can
be used as unlike
poles.
NC contacts 11-12
and
21-22
have
a
certified direct
opening mechanism.
The terminals 11-12, 21-22,
and
33-34
can
be used as unlike
poles.
NC contacts 11-12, 21-22,
and
31-32
have
a
certified direct
opening mechanism.
The terminals 11-12, 21-22,
and
31-32
can
be used as unlike
poles.
Zb
11
12
22
34
D4NS-@C@
2NC/1NO
11-12
21-22
33-34
Stroke
Operation
Key insertion
completion
position
Extraction
completion
position
ON
21
33
Zb
11
12
22
32
D4NS-@D@
3NC
11-12
21-22
31-32
Stroke
Operation
Key insertion
completion
position
Extraction
completion
position
ON
21
31
Zb
11-12
33-34
12
34
Stroke
Operation
Key insertion
completion
position
Extraction
completion
position
ON
D4NS-@E@
1NC/1NO MBB
*
11
33
Only NC contacts 11-12 have a
certified direct opening
mechanism.
The terminals 11-12 and 33-34
can be used as unlike poles.
Zb
11
12
22
34
D4NS-@F@
2NC/1NO MBB
*
11-12
21-22
33-34
Stroke
Operation
Key insertion
completion
position
Extraction
completion
position
ON
21
33
NC contacts 11-12
and
21-22
have
a
certified direct opening
mechanism.
The terminals 11-12, 21-22
and
33-34
can
be used as unlike
poles.
*
MBB (Make Before Break) contacts have an overlapping structure, so that before the normally closed contact (NC) opens, the normally open
contact (NO) closes.
5
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