D4B-2A71N Omron, D4B-2A71N Datasheet - Page 9
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D4B-2A71N
Manufacturer Part Number
D4B-2A71N
Description
LIMIT SWITCH
Manufacturer
Omron
Series
D4B-Nr
Datasheet
1.D4B-1111N.pdf
(16 pages)
Specifications of D4B-2A71N
Lead Free Status / Rohs Status
Details
Dimensions and Operating Characteristics
Note: Omitted dimensions are the same as those for the Roller Lever
Switches
Note: Unless otherwise specified, a tolerance of ±0.4 mm applies to all dimensions.
*1. The lever can be set to any desired position by turning the operating position indicator.
*2. In terms of construction, the Switch is a General-purpose Limit Switch rather than a Safety Limit Switch.
Note: Variation occurs in the simultaneity of contact opening/closing
*1. The operating characteristics of these Switches were measured
*2. The operating characteristics of these Switches were measured
*3. Only for slow-action models.
*4. Only for snap-action models.
*5. Reference values.
*6. Must be provided to ensure safe operation.
Roller Lever
D4B-@@11N
Adjustable Roller Lever *2
D4B-@@16N
Operating characteristics
Operating force
Release force
Pretravel
Overtravel
Movement differential
Direct opening travel
Direct opening force
Total travel
with the roller level set at 31.5 mm.
with the rod level set at 140 mm.
Type Models
D4B-1@@@N and D4B-5@@@N have a PG13.5 conduit
opening. D4B-2@@@N and D4B-6@@@N have a G1/2 conduit
operations of 2NC contacts. Check contact operation.
131.3
25 to 89R
60
23
±0.2
8
17.5 dia. × 6.6 resin roller
±1.2
60
23
±0.2
8
30
40
±0.2
5.3
+1
1
2
3
0
30
40
19 dia. × 7
resin roller
OF max.
RF min.
PT
PT (2nd) *3 *5
OT min.
MD max. *4
DOT min. *3 *6
DOF min. *6
TT *5
±0.2
5.3
+1
Set position
indicator plate *1
0
Two, M4 × 12 cover
mounting screws
Two, 5.3-dia.
mounting holes
M5 × 16
Allen-head bolts
Set position
indicator plate
*1
7.3
Two, 5.3-dia.
mounting holes
Two, M4 × 12
cover mounting
screws
31.5R
M5 × 12
Allen-head bolt
7.3
*4 *6
11.5
Model
Cover
Cover
71
64.4
62
28.3
28.3
±1
56
53
46.8
±1
43
43
9.41N
1.47N
21°±3°
(45°)
50°
12°
35°
55°
19.61N
(75°)
D4B-@@11N D4B-@@15N D4B-@@16N
31.5
31.5
16
16
15
15
Four, M3.5 × 19.5
head
mounting screws
Conduit opening
Conduit opening
Four, M3.5 × 24.5
head
mounting screws
74
74
22.5
22.5
77
77
99.5
99.5
9.41N
1.47N
21°±3°
(45°)
50°
12°
35°
55°
19.61N
(75°)
Roller Lever (Stainless Steel Roller)
D4B-@@15N
Adjustable Rod Lever *2
D4B-@@17N
1-conduit Models
*1
9.41N
1.47N
21°±3°
(45°)
50°
12°
35°
55°
19.61N
(75°)
opening.
D4B-3@@@N and D4B-7@@@N have a 1/2-14NPT conduit
opening.
145 max.
131.3
60
23
8
±0.2
17.5 × 7 stainless steel roller
±1.2
60
23
8
±0.2
30
D4B-@@17N
*2
2.12N
0.29N
21°±3°
(45°)
50°
12°
35°
55°
19.61N
(75°)
40
±0.2
5.3
+1
0
5.4
30
40
3 dia. × 160
stainless steel
rod
Setting position
indicator *1
5.3
±0.2
+1
0
Two, M4 × 12 cover
mount
Two, 5.3-dia.
mounting holes
M5 × 12
Allen-head bolts
Set position
indicator plate *1
7.3
Two, 5.3 dia.
mounting holes
Two, M4 × 12
cover
screws
M5 × 12
Allen-head bolt
31.5R
ing screws
mount
7.3
ing
11.5
Cover
Cover
66
28.3
56.8
62
28.3
±1
56
±1
43
31.5
43
31.5
16
15
16
15
D4B-@N
Conduit opening
Four, M3.5 × 24.5
head
mount
Conduit opening
Four, M3.5 × 19.5
head
mount
74
(Unit: mm)
74
ing screws
22.5
ing screws
77
22.5
77
99.5
99.5
9