Safety-door Switch
D4NS/D4NS-SK
CSM_D4NS_D4NS-SK_DS_E_9_3
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 12.
Safety Door Switchs
Slide Keys
For the most recent information on models that have been certified for
safety standards, refer to your OMRON website.
Model Number Structure
Model Number Legend
Switch (Standard type)
Switch (High pull-force type)
D4NS-@@@
1 2 3
1. Conduit Outlet/Connector
1:Pg13.5 (1-conduit type)
2:G1/2 (1-conduit type)
4:M20 (1-conduit type)
6:G1/2 (2-conduit type)
8:M20 (2-conduit type)
9:M12 connector (1-conduit type)
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.)
D4NS-@@F-SJ
1 2
1. Conduit Outlet
2:G1/2 (1-conduit type)
4:M20 (1-conduit type)
2. Built-in Switch
A:1NC/1NO (slow-action)
B:2NC (slow-action)
C:2NC/1NO (slow-action)
D:3NC (slow-action)
Operation Key
D4DS-K@
1
1. Operation Key Type
1:Horizontal mounting
2:Vertical mounting
3:Adjustable mounting (Horizontal)
5:Adjustable mounting (Horizontal/Vertical)
1
D4NS/D4NS-SK
Operation Keys
Type
Model
D4DS-K1
Horizontal mounting
Vertical
mounting
D4DS-K2
Adjustable mounting
(Horizontal)
D4DS-K3
Adjustable mounting
(Horizontal/Vertical)
D4DS-K5
Slide Keys
Appearance
Specifications
Contents
Model
Applicable
Door Switch
Weight: 422 g
Slide Key (Operation Key included.): 1
Mechanical durability: Auxiliary mounting bracket: 1
20,000 operations min. Receptacle bracket: 1
Slide Key: 1
(Disable-prevention cover and Operation Key
D4DS-K2 are already mounted on Slide Key)
Weight: 2,800 g
D4NS mounting tool: 1
Mechanical durability: Inner lever: 1
20,000 operations min. Inner lever mounting screws: 2
Door Switch mounting one-way screws: 2
Switch protective cover: 1
Switch protective cover screws: 4
D4NS-SK01
D4NS
1-conduit type
D4NS-SK30
D4NS
1-conduit type
3
D4NS/D4NS-SK
Specifications
Standards and EC Directives
Conforms to the following EC Directives:
•
•
•
•
•
•
Machinery Directive
Low Voltage Directive
EN50047
EN60947-5-1
EN ISO 14119
GS-ET-15
Direct opening travel
*4
Contact resistance
Minimum applicable load
*5
Rated insulation voltage (U
i
)
Rated frequency
Standard
EN60947-5-1
(certified direct opening)
UL508, CSA C22.2 No.14
GB14048.5
File No.
Consult your
OMRON representative
for details.
E76675
Consult your
OMRON representative
for details.
Consult your
OMRON representative
for details.
Direct opening force
*4
<Standard type>
60 N min.
<High pull-force type>
80 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
Certified Standards
Certification body
TÜV SÜD
UL
*1
CQC (CCC)
Protection against electric
shock
Pollution degree (operating
environment)
Impulse
withstand
voltage (Uimp)
(EN60947-5-1)
Between
terminals of
same polarity
Between
terminals of
different
polarity
4 kV
KOSHA
*2
EN60947-5-1
*1.
Certification for CSA C22.2 No. 14 is authorized by the UL mark.
*2.
Only certain models have been certified.
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
Between each
6 kV
terminal and
non-current
carrying
metallic parts
Insulation resistance
Contact gap
Vibration
resistance
Shock
resistance
Malfunction
Destruction
Malfunction
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)
Rated operating current (I
e
)
Rated operating voltage (U
e
)
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.
Conditional short-circuit
current
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
Conventional free air thermal
10 A (EN60947-5-1)
current (I
th
)
Ambient operating
temperature
Ambient operating humidity
Weight
−30
to 70°C (with no icing)
95% max.
Approx. 96 g (D4NS-1CF)
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
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.
Characteristics
Interlock type
Coding level
Degree of protection
*1
Durability
*2
Mechanical
Type 2 (EN ISO 14119)
Low level coded (EN ISO 14119)
IP67 (EN60947-5-1)
<Standard type>
1,000,000 operations min.
<High pull-force type>
100,000 operations min.
<Standard type>
500,000 operations min. (3 A
resistive load at 250 VAC)
*3
300,000 operations min. (10 A
resistive load at 250 VAC)
<High pull-force type>
100,000 operations min. (10 A
resistive load at 250 VAC)
0.05 to 0.5 m/s
Electrical
Operating speed
5
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