Minimum applicable loads are indicated by N standard refer-
ence values. This value represents the failure rate at a 60%
(λ
60
) reliability level (JIS C5003).
The equation
λ
60
=0.5 x 10
-6
/ operations indicates that a failure
rate of 1/2,000,000 operations can be expected at a reliability
level of 60%
Testing conditions: 5E4 (50,000 operations), T85 (0°C to 85°C)
26
Door Interlock Switch
D2D
Engineering Data
■
Mechanical Service Life
100,000
70,000
■
Electrical Service Life
10,000
7,000
Operating frequency:
30 operations/min
p.f. = 1
AC250V
Number
of operations (x10
3
)
Service life (x10
3
operations)
50,000
30,000
Ambient temperature: 20±2
°C
Ambient humidity: 65±5%
Without
load
Operating frequency: 300 operations/min
5,000
3,000
10,000
7,000
5,000
3,000
1,000
700
500
300
1,000
0
10
20
30
40 50
60
70
80
90 100
100
0
1
2
3
4
5
6
OT (%)
Rated operating current (A)
■
Contact Form
SPDB-NO/NC
SPDB-NO
SPDB-NC
■
Mounting Holes
Screw mount switches may be panel mounted using M4 mounting
screws with plane washers or spring washers to securely mount the
switch. Tighten the screws to a torque of 0.49 to 0.69 N·m
Panel Mount Holes
Two, 4.3-dia. mounting
holes or M4 screw holes
Panel Cutout Dimensions
13.5
±
0.1
Note
1.3 R max.
D2D-1000 D2D-2000
D2D-1100 D2D-2100
D2D-1001
D2D-1101
D2D-1002
D2D-1102
2.2
±
0.1
Panel
Panel thickness: 1.0 to 2.5 mm
Note:
Dimension is 36.7±0.1
with
a panel
thickness of 1.0 mm and 37.0±0.1
with
a panel thickness of 2.5 mm
SPDB-NO +
SPDB-NO/NC
DPDB-NO
Screw mount type
panel
Panel mount type
panel
D2D-3103
D2D-3104
Snap-fit panel mount switches use the panel cutout hole illustrated
above. When mounting on a metal surface, be sure to provide a sep-
arator between the switch and mounting plate.
When opening or closing the door, the power ON state of the switch can be checked with the door left open. By closing the door after maintenance
inspection, the switch will resume the normal momentary action. (this feature is ideal for conducting the electrical continuity test, inspection, repair,
etc. of the switch after its assembly.)
Example
State
To turn ON the power when the
door is closed
To turn OFF the power when the
door is open
To turn ON the power with the door
left open
■
Pull-on Lock Function
Pull
Connection NO-NO
NC-NC
ON
OFF
OFF
ON
ON
OFF
Door Interlock Switch
D2D
27
■
Safety Features
Double Spring Mechanism
Two return springs are provided for the pin plunger. Thus, if either of
the springs are broken, this feature will prevent the switch from
malfunctioning or short-circuiting.
(Applicable to D2D-1000 and D2D-3000 models. The D2D-2000
models with pull-on lock is not provided with this feature.)
■
Structure
Standard Types
Plunger
External return
spring
Insulating ring
Movable spring
Case
Fixed contact (NC)
Movable contact
Fixed contact (NC)
Internal return spring
Direct Contact Opening Mechanism
The insulating ring, identified by
, will positively break the
circuit if a contact weld occurs in the switch. (D2D-1000 models).
Normally open
terminal (NO)
Normally closed
terminal (NC)
Insulating ring
Pull-on Lock Types
Plunger
Example of D2D-1000.
Case
Fixed contact (NC)
Slider
Returning spring
Returning spring
stopper
Movable contact
Fixed contact (NC)
Normally closed
terminal (NC)
Normally open
terminal (NO)
The section marked
pushes the movable
contact to apply force in the direction which
separates the movable contact forcibly from the
fixed contact.
Dimensions and Operating Characteristics
Note: 1.
Unless otherwise specified, all units are in millimeters and a tolerance of
±0.4
mm applies to all dimensions
2.
The operating characteristics are for operation in the A direction( )
■
Standard Models
Screw Mounting
D2D-1000
D2D-1001
D2D-1002
FP
OP
TTP
22±0.1
16
8
dia.
A
4.3±0.05 dia.
1.8
5.8
13
23.6
33.6
Note: 1.
NC-OFF: The force applied to the actuator to cause
it to move from the free position to the position at
which the NC contact opens.
2.
NO-ON: The force applied to the actuator to cause
it to move from the free position to the position at
which the NO contact closes
10.4
25.2
30
Four
quick-connect
terminals (#250)
6.35±0.1
12.4
1.65
0
+0.1
dia.
OF max.
TTF max.
OT min.
FP max.
OP
TTP max.
Model
NC-OFF
NO-ON
D2D-1000
300 gf
600 gf
2.3 mm
D2D-1001
---
600 gf
750 gf
17 mm
---
12.7
±
0.4 mm
10 mm
D2D-1002
300 gf
---
5.5 mm
16.4 mm
15.9
±
0.4 mm
---
NC-OFF
NO-ON
16.4 mm
15.9
±
0.4 mm
12.7
±
0.4 mm
28
Door Interlock Switch
D2D
Note: 1.
Unless otherwise specified, all units are in millimeters and a tolerance of
±0.4
mm applies to all dimensions
2.
The operating characteristics are for operation in the A direction( )
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