Safety-door Switch
D4BS
Safety-door Switch’s Special
Operation Key Directly Pulls
Apart the Contacts from Each
Other and Contributes to the
Safety of the Production Site
• Conforms to EN (TÜV) standards cor-
responding to the CE marking.
• Approved by UL, CSA, BIA, and SUVA
standards.
• The switch contact is opened by a di-
rect opening mechanism (NC contacts
only) when the protective cover is
opened. The EN-approved direct open-
ing mechanism is indicated by
on
the Switch.
• Degree of protection of the switch box:
IP67 (EN60947-5-1).
• Series includes models with gold-plat-
ed contacts for handling the micro-load
range.
• Metric conduit types available.
Model Number Structure
Model Number Legend
Switch
D4BS -
1
2
3
S
Operation Key
D4BS - K
1
1. Conduit
1: PG13.5 (1 conduit)
2: G1/2 (1 conduit)
3: 1/2-14NPT (1 conduit)
4: M20
5: PG13.5 (3-conduit)
6: G1/2 (3-conduit)
7: 1/2-14NPT (3-conduit)
8: M20 (3-conduit)
2. Built-in Switch
1. Operation Key Type
5: 1NC/1NO (slow-action)
1: Horizontal mounting
6: 1NC/NO (slow-action), gold-plated contacts
2: Vertical mounting
A: 2NC (slow-action)
3: Adjustable mounting (Horizontal)
B: 2NC (slow-action), gold-plated contacts
3. Head Mounting Direction
F: Four mounting directions pos-
sible (front-side mounting at
shipping)
D4BS
Ordering Information
List of Models
Switches
Type
Mounting direction
Conduit size
Pg13.5
G1/2
M20
Pg13.5
G1/2
M20
1NC/1NO
(Slow-action)
D4BS-15FS
D4BS-25FS
D4BS-45FS
D4BS-55FS
D4BS-65FS
D4BS-85FS
2NC (Slow-action)
D4BS-1AFS
D4BS-2AFS
D4BS-4AFS
D4BS-5AFS
D4BS-6AFS
D4BS-8AFS
1-conduit
Front-side
mounting
3-conduit
Prefered stock item
D4BS
G-143
Operation Keys (Order Separately)
Type
Model
D4BS-K1
Horizontal mounting
Vertical mounting
D4BS-K2
Adjustable mounting
(Horizontal)
D4BS-K3
Specifications
Approved Standards
Agency
TÜV Rheinland
UL
CSA
BIA
SUVA
Standard
EN60947-5-1
UL508
CSA C22.2 No. 14
GS-ET-15
SUVA
File No.
R9351022
(Direct open-
ing: approved)
Standards and EC Directives
Conforms to the following EC Directives:
Machinery Directive
Low Voltage Directive
EN50041
EN1088
E76675
LR45746
9303323
E6187.d
Approved Standard Ratings
TÜV (EN60947-5-1)
Utilization category
Rated operating current (Ie)
Rated operating voltage (Ue)
AC-15
2A
400 V
Note:
Use a 10-A fuse type a gI or gG that conforms to IEC269 as a short-circuit protection device.
UL/CSA (UL508, CSA C22.2 No. 14)
A600
Rated voltage
120 VAC
240 VAC
480 VAC
600 VAC
Carry current
60 A
30 A
15 A
12 A
Current
Make
6A
3A
1.5 A
1.2 A
Break
Make
Volt-amperes
Break
10 A
7,200 VA
720 VA
G-144
Safety Sensors / Components
Characteristics
Degree of protection (see note 2)
Durability (see note 3)
Operating speed
Operating frequency
Rated frequency
Contact gap
Direct opening force (see note 4)
Direct opening travel (see note 4)
Full stroke
Insulation resistance
Contact resistance
Rated insulation voltage (U
i
)
Conventional enclosed thermal current (I
the
)
Dielectric strength (Uimp)
Switching overvoltage
Conditional short-circuit current
Pollution degree (operating environment)
Insulation class
Vibration resistance
Shock resistance
Ambient temperature
Ambient humidity
Weight
IP67 (EN60947-5-1)
Mechanical:1,000,000 operations min.
Electrical:500,000 operations min. (10 A at 250 VAC, resistive load)
0.1 m/s to 0.5 m/s
30 operations/min max.
50/60 Hz
2 x 2 mm min.
19.61 N min. (EN60947-5-1)
20 mm min. (EN60947-5-1)
23 mm min.
100 MΩ min. (at 500 VDC) between terminals of same or different
polarity, between each terminal and ground, and between each ter-
minal and non-current-carrying metal part
25 mΩ max. (initial value)
600 V (EN60947-5-1)
20 A (EN60947-5-1)
Impulse dielectric strength (U
imp
) 4 kV (EN60947-5-1) between ter-
minals of same or different polarity, between current-carrying metal
parts and ground, and between each terminal and non-current-car-
rying metal part
1,500 V max. (EN60947-5-1)
100 A (EN60947-5-1)
3 (EN60947-5-1)
Class I (with ground terminal)
Malfunction: 10 to 500 Hz, 0.65-mm single amplitude
Destruction:1,000 m/s
2
min. (IEC68-2-27)
Malfunction:300 m/s
2
min. (IEC68-2-27)
Operating:-40°C to 80°C (with no icing)
Operating:95% max.
Approx. 285 g (in the case of D4BS-15FS)
Note: 1.
The above values are initial values.
2.
Although the switch box is protected from dust, oil, or water penetration, do not use the D4BS in places where dust, oil, water, or chemicals
may penetrate through the key hole on the head, otherwise Switch damage or malfunctioning may occur.
3.
The durability is for an ambient temperature of 5° C to 35° C and an ambient humidity of 40% to 70%. Contact your OMRON sales rep-
resentative for more detailed information on other operating environments.
4.
These figures are minimum requirements for safe operation.
Contact Form (Diagrams Show State with Key Inserted)
Model
Contact form
Zb
11
Diagram
12
24
11 - 12
23 - 24
Stroke
Operation Key
insertion com-
pletion position
11 - 12
21 - 22
Stroke
Operation Key
insertion com-
pletion position
Extraction
completion
position
Extraction
completion
position
ON
Remarks
Only NC contact 11-12
has an approved direct
opening mechanism.
D4BS
D4BS-#5#S
1NC/1NO
23
Terminals 11-12 and
23-24 can be used as
unlike poles.
ON
Zb
11
12
22
21
D4BS-#A#S
2NC
NC contacts 11-12 and
21-22 have an
approved direct
opening mechanism.
Terminals 11-12 and
21-22 can be used as
unlike poles.
Note:
The terminal numbers are in accordance with EN50013, and the contact symbols are in accordance with IEC947-5-1.
D4BS
G-145
Nomenclature
Operation Key
D4BS's exclusive-use Operation Key is provided
to assure accurate switching operation.
Set Zone Mark
A triangular Set Zone Mark makes it
easy to adjust the operating position
when inserting the Operation Key.
Head
The switch head is coated with easy-to-see red
paint. The mounting direction of the switch head can
be varied to any of the four directions.
Seal Ring (NBR)
Oil Seal (NBR)
The operation plunger employs an oil seal, with
which the switch box meets the requirements of
IP67 (the sealing capability of the Operation Key's
insertion mouth is IP00).
Built-in Switch
A shearing force contact separating mechanism (NC
contact) is employed, which positively pulls apart the
contacts from each other by using shearing force if
any abnormality such as contact welding should occur
in the contact area.
There is a difference in level between the NC and NO
terminal, which assures easy wiring.
Ground Terminal Screw
A ground terminal is provided to
improve safety. (Built into the
Unit.)
Seal Packing (NBR)
Conduit Opening
Available in four different types of conduit
threads: Pg 13.5, G1/2, or 1/2-14NPT, M20.
G-146
Safety Sensors / Components
Dimensions
Note: 1.
All units are in millimeters unless otherwise indicated.
2.
Unless otherwise specified, a tolerance of
±0.4
mm applies to all dimensions.
3.
The conduit thread varies with the model as follows:.
Conduit thread
Pg 13.5
G1/2
M20
Model
D4BS-1##S, D4BS-5##S
D4BS-2##S, D4BS-6##S
D4BS-4##S, D4BS-8##S
Switches
1-conduit
D4BS-1##S
D4BS-2##S
D4BS-4##S
31.4
17
Red
35
(111.5)
60±0.2
Two, 5.3 dia.
mounting holes
Two, M4 cover
clamping screws
7.3
8
5.3
30±0.1
40
+1
0
Cover
7
41
16
Four, M3.5 head
clamping screws
Operating
characteristics
Key insertion force
Key extraction force
34.5
D4BS-1##S
D4BS-2##S
D4BS-4##S
19.61 N max.
19.61 N max.
10±5 mm
19.61 N min.
20 mm min.
Pretravel (PT)
77
Direct opening force
Direct opening stroke
15
31.5
43
41
D4BS-1##S: Pg13.5
D4BS-2##S: G1/2
D4BS-4##S: 1/2-14NPT
3-conduit
D4BS-5##S
D4BS-6##S
D4BS-8##S
31.4
17
Red
5.3
(110)
50.9
66.4
Six, 5.3 dia.
mounting holes
Four, M3.5 x 10 cover
clamping screws
Two caps
Cover
7
16
Four, M3.5 head
clamping screws
Operating
characteristics
34.5
Key insertion force
Key extraction force
D4BS-5##S
D4BS-6##S
D4BS-8##S
19.61 N max.
19.61 N max.
10±5 mm
19.61 N min.
20 mm min.
30±0.2
Pretravel (PT)
71.4 75.4
Direct opening force
Direct opening stroke
51
28.5
57
63
17.2
D4BS-5##S: 3-Pg13.5
D4BS-6##S: 3-G1/2
D4BS-8##S: 3-1/2-14NPT
Two, 5
+0.15
dia. holes (6 mm deep)
-0
35.7
38.3
Operation Keys
53.7
D4BS-K1
26
15
78.7
20±0.15
40.7
12
D4BS-K2
Black
7.3 15
Two, 2.65R
7.5
2.5
20
11.4
5
40
12 20
15
4 dia.
26
15
13
5.3
¥
7.3 mounting long hole
Black
40±0.15 52.4
36
11.4
5
4 dia.
5.3 5.3
36
5.3 12
7.5
20
D4BS-K3
Black
40
30±0.15
26
(80.7)
36
11.4
2.5
19.5±0.15
Red
5.3 dia.
mounting hole
30
5
(37.8)
4 dia.
17.5
34.6
M4 Allen-head bolt
D4BS
G-147
D4BS
2.5
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