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Structure and Nomenclature
Structure
Changing the Terminal Protective Cover around allows the cable to
be pulled out from either the right or the left.
Plunger
Switch
Packing
Terminal Protective
Cover
Common
terminal
(COM)
Note: M4 binding head screws (with toothed washers) are used as the terminal screws.
Dimensions and Operating Characteristics
Plunger
ZC-D55
53.4
PT
A
7.8 dia. *
8
OP
21
5
18.3
22 max.
25.4
Terminal Protective Cover
*Stainless steel plunger
Panel Mount Roller Plunger
ZC-Q2255
PT
A
*2
12.5
OP
21
5
18.3
22 max.
Terminal protective cover
*1. Stainless sintered alloy roller
*2. The length of the imperfect threads is 1.5 mm maximum.
*3. Thickness: 3 width: 17
Sealed Roller Plunger
ZC-N2255
A
PT
OP
5
18.3
22 max.
Terminal protective cover
* Stainless sintered alloy roller
Note: 1. Unless otherwise specified, a tolerance of ±0.4 mm applies to all dimensions.
2. Operating characteristics are for when the Switch is operated from direction A.
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Roller
Case
NC fixed contact
Moving contact
NO fixed contact
Seal rubber
Normally
Normally
closed terminal (NC)
open
terminal (NO)
14 dia.
23.3
14
19
(10)
± 0.15
×
15
(21
55
21.7
±0.1
Two, 4.3
dia.
(NBR)
mounting holes
×
11 dia.
4.7 *1
53.4
23.3
Set position indication line
(3.6)
Two M14 × 1
hexagon nuts *3
(2.25)
14
19
(10)
±
25.4
0.15
×
15
(21
21)
55
±
21.7
Two, 4.3
0.1
dia.
mounting holes
Note: Do not use the M14 mounting
screw and the case mounting
hole at the same time.
9.5 dia. × 4.7 *
53.4
Rubber boot
23.3
(chloroprene rubber)
14
19
(10)
±
25.4
0.15
×
15
(21
21)
55
±
21.7
Two, 4.3
0.1
dia.
mounting holes
Contact Form
(COM)1
Panel Mount Plunger
ZC-Q55
PT
*2
12.5
OP
21
5
18.3
22 max.
Terminal protective cover
*1. Stainless steel plunger
*2. The length of the imperfect threads is 1.5 mm maximum.
*3. Thickness: 3 width: 17
Panel Mount Crossroller Plunger
Set position
ZC-Q2155
indication line
PT
*2
12.5
OP
21
5
18.3
22 max.
Seal rubber
Terminal protective cover
(NBR)
*1. Stainless sintered alloy roller
*2. The length of the imperfect threads is 1.5 mm maximum.
*3. Thickness: 3 width: 17
Sealed Crossroller Plunger
ZC-N2155
PT
OP
5
18.3
22 max.
Seal rubber
Terminal protective cover
(NBR)
* Stainless sintered alloy roller
(c)Copyright OMRON Corporation 2007 All Rights Reserved.
ZC-@55
2(NC)
4(NO)
(Unit: mm)
7.8 dia.*1
53.4
A
23.3
Two M14 × 1
hexagon nuts *3
14
19
(10)
25.4
±0.15
×
(21
21)
15
55
21.7
Two, 4.3
±0.1
dia.
mounting holes
Note: Do not use the M14 mounting
screw and the case mounting
hole at the same time.
53.4
A
23.3
14
Two M14 × 1
hexagon nuts *3
19
(10)
±
25.4
0.15
×
15
(21
21)
55
±
21.7
Two, 4.3
0.1
dia.
mounting holes
Note: Do not use the M14 mounting
screw and the case mounting
hole at the same time.
53.4
Rubber boot
A
23.3
14
(chloroprene rubber)
19
(10)
±
25.4
0.15
×
15
(21
55
±
21.7
Two, 4.3
0.1
dia.
mounting holes
Seal rubber
(NBR)
11 dia. × 4.7 *1
(3.6)
(2.25)
Seal rubber
(NBR)
9.5 dia. × 4.7 *
21)
Seal rubber
(NBR)
3
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