D4B-3A70N Omron, D4B-3A70N Datasheet - Page 10
![no-image](/images/manufacturer_photos/0/4/494/omron_sml.jpg)
D4B-3A70N
Manufacturer Part Number
D4B-3A70N
Description
TOP PLUNGER
Manufacturer
Omron
Series
D4B-Nr
Datasheet
1.D4B-1111N.pdf
(16 pages)
Specifications of D4B-3A70N
Lead Free Status / Rohs Status
Details
Note: Unless otherwise specified, a tolerance of ±0.4 mm applies to all dimensions.
Note: Unless otherwise specified, a tolerance of ±0.4 mm applies to all dimensions.
*1. Be sure to adjust the dog to within 40 mm from the top end of the coil spring.
*2. In terms of construction, the Switch is a General-purpose Limit Switch rather than a Safety Limit Switch.
Top Plunger
D4B-@@70N
Coil Spring (Non-directional) *2
D4B-@@81N
Operating characteristics
Operating force
Release force
Pretravel
Overtravel
Movement differential
Direct opening travel
Direct opening force
Total travel
Free position
Operating position
Operating characteristics
Operating force
Pretravel
60
203.5
8
±0.2
±1.2
18.2 dia.
60
29.1
30
40
8
±0.2
±0.2
5.3
+1
0
Stainless steel coil spring
OF max.
RF min.
PT max.
PT (2nd) *1 *3
OT min.
MD max. *2
DOT min. *4
DOF min. *4
TT *3
FP max.
OP
30
40
Two, 5.3-dia.
mounting holes
Two, M4 × 12 cover
mounting screws
OF max.
PT max.
OP
PT
±0.2
5.3
+1
0
7.3
Stainless steel
plunger
Seal cap
Two, M4 × 12 cover
mounting screws
Two, 5.3-dia.
mounting holes
Four, M3.5 × 7
mounting screws
7.3
Cover
Model
Model
The Switch can be
actuated in any
direction except to
the axis center.
9.2 dia.
Cover
43
31.5
1.47 N
15°
18.63 N
1.96 N
2 mm
(3 mm)
5 mm
1 mm
3.2 mm
49.03 N
(7 mm)
38 mm
35±1 mm
16
15
D4B-@@81N
D4B-@@70N
15.7
Four, M3.5 × 19.5
head
mounting screws
Conduit opening
43
31.5
74
16
15
6.6 dia.
20
77
(40) *1
Conduit
opening
74
97
2.7
77
1.47 N
15°
18.63 N
1.96 N
2 mm
(3 mm)
5 mm
1 mm
3.2 mm
49.03N
(7 mm)
51 mm
48±1 mm
D4B-@@87N
Top Roller Plunger
D4B-@@71N
Plastic Rod (Non-directional) *2
D4B-@@87N
D4B-@@71N
203.5
60
±0.2
8
12.7 dia. × 4.8
stainless steel roller
±1.2
Note: Variation occurs in the simultaneity of
60
Note: Variation occurs in the simultaneity of
*1. Only for slow-action models.
*2. Only for snap-action models.
*3. Reference values.
*4. Must be provided to ensure safe
18.2 dia.
29.1
±0.2
8
30
40
operation.
±0.2
5.3
+1
contact opening/closing operations of
2NC contacts. Check contact
operation.
0
contact opening/closing operations of
2NC contacts. Check contact
operation.
30
40
±0.2
5.3
Two, M4 × 12 cover
mounting screws
+1
Two, 5.3-dia.
mounting holes
0
PT
OP
Plastic rod
7.3
Seal cap
Four, M3.5 × 7
head mounting
screws
Two, M4 × 12 cover
mounting screws
Two, 5.3-dia.
mounting holes
7.3
Cover
The Switch can be
actuated in any
direction except to
the axis center.
9.2 dia.
Cover
43
31.5
16
15
15.7
43
D4B-@N
31.5
Conduit opening
Four, M3.5 × 19.5
head
mounting screws
15
16
74
6.6 dia.
(40) *1
Conduit
opening
20
77
74
97
2.7
77
10