D4B-@N
Top Plunger
D4B-@@70N
Top Roller Plunger
D4B-@@71N
Four, M305 x 1905
head
mounting screws
Four, M305 x 1905
head
mounting screws
1207 dia0 x .08
stainless steel roller
902 dia0
902 dia0
Stainless steel
plunger
.± to .2
.± to
.2
Six, 503-dia0
Six, 503-dia0
mounting screws
mounting holes
950.
Four, M305 x 1±
cover mounting screws
Four, M305 x 1± cover
mounting screws
Two, caps
Cover
Two, caps
Cover
Two, 5 +±015 -dia0
Two, 5 +±015 -dia0
holes (d±epth: 6)
holes (d±epth: 6)
3-conduit opening
3-conduit opening
Note: Unless otherwise specified, a tolerance of ±±0. mm applies to all dimensions0
Operating characteristics Model D4B-@@70N D4B-@@71N
18063 N 18063 N
Operating force
Release force
Pretravel
OF max.
Note: Variation occurs in the simultaneity of
contact opening/closing operations of
2NC contacts0 Check contact
operation0
*1. Only for slow-action models0
*2. Only for snap-action models0
*3. Reference values0
RF min.
PT max.
1096 N
2 mm
1096 N
2 mm
PT (2nd) *1 *3
(3 mm)
5 mm
1 mm
302 mm
.90±3 N
(7 mm)
(3 mm)
5 mm
1 mm
302 mm
.90±3N
(7 mm)
Overtravel
OT min.
Movement differential MD max. *2
Direct opening travel DOT min. *4
Direct opening force
Total travel
DOF min. *4
TT *3
*4. Must be provided to ensure safe
operation0
Free position
Operating position
FP max.
OP
38 mm
35±1 mm
51 mm
.8±1 mm
Coil Spring *2
D4B-@@81N
Plastic Rod *2
D4B-@@87N
Plastic rod
The Switch can be actuated
to all directions except to the
Stainless steel coil spring
axis center0
(.±) *1
The Switch can be actuated
to all directions except to
the axis center
(.±) *1
606 dia0
606 dia0
1802 dia0
Seal cap
1802 dia0
Four, M305 x 7
.± to .2
2±109±102
Seal cap
head mounting screws
Four, M305 x 7
.± to .2
head mounting screws
Six, 503-dia0
mounting holes
Four, M305 x 1±
cover mounting screws
Two, caps
Six, 503-dia0
mounting holes
Four, M305 x 1± cover
mounting screws
Cover
Two, caps
Cover
Two, 5+±015 -dia0
±
3-conduit opening
Two, 5+±015 -dia0
holes (depth: 6)
±
3-conduit
opening
holes (depth: 6)
Note: Unless otherwise specified, a tolerance of ±±0. mm applies to all dimensions0
*1. Be sure to adjust the dog to within .± mm from the top end of the coil spring0
*2. In terms of construction, the Switch is a General-purpose Limit Switch rather than a Safety Limit Switch0
Operating characteristics
Model
D4B-@@81N
10.7 N
15°
D4B-@@87N
10.7 N
15°
Operating force
Pretravel
OF max.
PT max.
Note: Variation occurs in the simultaneity of
contact opening/closing operations of
2NC contacts0 Check contact
operation0
12
OMRON [ OMRON ELECTRONICS LLC ]
