Enclosed Switch
ZC-@55
Small, High-precision Enclosed Switch
•
Small, High-precision Enclosed Switches with Built-in Basic
Switches for High Repeatability and Durability of 10 Million
Operations Minimum.
•
Same mounting pitch as Z Basic Switch.
•
Requires less operating force than conventional limit switches.
•
Lineup includes modes with operation indicators for easy
maintenance and inspection.
•
Approved by EN, UL, CSA, and CCC (Chinese standard).
(Ask your OMRON representative for Information on approved
models.)
Be sure to read
Safety Precautions
on page 7 and
Safety Precautions for All Limit Switches.
CSM_ZC-_55_DS_E_2_1
Model Number Structure
Model Number Legend
ZC-@55
(1)
(1) Actuator
D:
Q:
Q22:
Q21:
N22:
N21:
Plunger
Panel mount plunger
Panel mount roller plunger
Panel mount crossroller plunger
Sealed roller plunger
Sealed crossroller plunger
W:
W1:
W2:
W21:
W3:
W31:
Short hinge lever
Hinge lever
Short hinge roller lever
Hinge roller lever
One-way action short hinge roller lever
One-way action hinge roller lever
Ordering Information
Actuator
Plunger
Panel mount
plunger
Panel mount
roller plunger
Panel mount
crossroller plunger
Sealed roller
plunger
Sealed crossroller
plunger
Short hinge
lever
Hinge lever
Short hinge
roller lever
Hinge roller
lever
One-way action
short hinge roller
lever
One-way action
hinge roller lever
Model
ZC-D55
ZC-Q55
ZC-Q2255
ZC-Q2155
ZC-N2255
ZC-N2155
ZC-W55
ZC-W155
ZC-W255
ZC-W2155
Approved Standards
UL
CSA
EN
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
ZC-W355
ZC-W3155
Note: 1. Use molded terminal models when using the
Switch under one of the following conditions:
a) dusty, b) high amount of dripping oil, or c)
high humidity.
2. Models are available with lead outlets in three
positions: right-hand, left-hand, and underside.
1
ZC-@55
Specifications
Approved Standards
Agency
UL*
TÜV Rheinland
CCC(CQC)
Standard
UL508
EN60947-1, EN60947-5-1
GB14048.5
File No.
E76675
J50041904
2003010303077620
Note: Ask your OMRON representative for information on approved models.
* UL certified for CSA C22.2 No. 14.
Ratings
Rated
voltage
125 VAC
250 VAC
8 VDC
14 VDC
30 VDC
125 VDC
250 VDC
Inrush
current
Non-inductive load (A)
Resistive load Lamp load
NC
NO
NC
NO
10
3
1.5
10
2.5
1.25
1.5
3
10
1.5
3
10
1.5
3
6
0.4
0.4
0.5
0.2
0.2
0.25
NC
NO
30 A max.
15 A max.
Inductive load (A)
Inductive load Motor load
NC
NO
NC
NO
10
5
2.5
10
3
1.5
2.5
5
6
2.5
5
6
2.5
5
5
0.05 0.05
0.05
0.03 0.03
0.03
Approved Standard Ratings
UL/CSA
A300
Voltage
120 VAC
240 VAC
Carry
current
10A
Current (A)
Make
60
30
Break
6
3
Volt-amperes
(VA)
Make
Break
7,200
720
TÜVRheinland (EN60947-1, EN60947-5-1),
CCC (GB14048.5)
Applicable category and ratings
AC-12 10 A/250 VAC
Note: 1. The above figures are for steady-state currents.
2. Inductive loads have a power factor of 0.4 min. (AC) and a time
constant of 7 ms max. (DC).
3. Lamp load has an inrush current of 10 times the steady-state current.
4. Motor load has an inrush current of 6 times the steady-state current.
5. The above ratings were tested under the following conditions
according.
(1) Ambient temperature:+20±2°C
(2) Ambient humidity: 65±5%RH
(3) Operating frequency:20 operations/min.
Characteristics
Degree of protections
Durability
Mechanical
Electrical
Mechanical
Electrical
IP67
10,000,000 operations min.
500,000 operations min.
0.05 mm/s to 0.5 m/s
*1
Engineering Data
Electrical Durability
10,000
7,000
5,000
3,000
Durability (
×
10
4
operations)
125 VAC cosφ=1
125 VAC cosφ=0.4
1,000
700
500
300
250 VAC cosφ=1
250 VAC cosφ=0.4
Operating speed
Operating
frequency
120 operations/min
20 operations/min
100 MΩ min. (at 500 VDC)
15 mΩ max. (initial value for the built-
in switch when tested alone)
1,000 VAC, 50/60 Hz for 1 min
2,000 VAC, 50/60 Hz for 1 min
1,000 VAC
3 (IEC947-5-1)
10 A-fuse type gG (IEC 60269)
Class II
175
D (IEC335)
10 A
250 VAC
10 to 55 Hz, 1.5-mm double ampli-
tude
*2
1,000 m/s
2
max.
300 m/s
2
max.
(in case of plunger model)
*1 *2
−10°C
to +80°C (with no icing)
35% to 95%RH
Approx. 92 g (in case of ZC-
Q22(21)55)
Insulation resistance
Contact resistance
Between non-continu-
ous terminals
Between each terminal
and non-current-carry-
ing metal parts
Dielectric
strength
100
70
50
30
10
0
Operating temperature: +20±2°C
Operating humidity: 65±5%RH
Operating frequency: 20 operations/min
2
4
6
8
10
12
Rated insulation voltage (Ui)
Pollution degree
(operating environment)
Short-circuit protective device
Protection against electric shock
Proof tracking index (PTI)
Switch category
Rated operating current (Ie)
Rated operating voltage (Ue)
Vibration
Malfunction
resistance
Destruction
Shock
resistance Malfunction
Ambient operating temperature
Ambient operating humidity
Weight
Switching current (A)
Mechanical Durability (for ZC-Q55)
10,000
7,000
5,000
3,000
Durability (
×
10
4
operations)
1,000
700
500
300
100
70
50
30
*1. Only for models with plungers. (Contact your OMRON representative for
information on other models.)
*2. Less than 1 ms under a free state at the operating limits.
Operating temperature: +20
±
2˚C
Operating humidity: 65
±
5%RH
No load
Operating frequency: 120 operations/min
0.1
0.3
0.5 0.7 1
3
5 7 10
OT (mm)
0
2
ZC-@55
Structure and Nomenclature
Structure
Changing the Terminal Protective Cover around allows the cable to
be pulled out from either the right or the left.
(COM)1
2(NC)
4(NO)
Contact Form
Roller
Plunger
Case
NC fixed contact
Moving contact
Switch
Packing
Terminal Protective
Cover
NO fixed contact
Seal rubber
Common Normally
Normally
terminal open
closed terminal (NC)
(COM)
terminal (NO)
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
23.3
7.8 dia. *
14
12.5 *2
OP
21
5
22 max.18.3
25.4
±
0.15
Terminal Protective Cover
*Stainless steel plunger
55
19
(10)
21
5
22 max.18.3
(21
×
21.7
(NBR)
25.4
±0.15
19
(10)
14
14 dia.
(Unit: mm)
Panel Mount Plunger
ZC-Q55
PT
A
7.8 dia.*1
53.4
23.3
Two M14
×
1
hexagon nuts *3
8
OP
15
Two, 4.3
±0.1
dia.
mounting holes
15
Two, 4.3
±0.1
dia.
mounting holes
(21
×
21)
21.7
Seal rubber
(NBR)
Terminal protective cover
55
*1. Stainless steel plunger
*2. The length of the imperfect threads is 1.5 mm maximum.
*3. Thickness: 3 width: 17
Note: Do not use the M14 mounting
screw and the case mounting
hole at the same time.
Panel Mount Roller Plunger
53.4
ZC-Q2255
A
PT
23.3
(3.6)
*2
(2.25)
14
11 dia.
×
4.7 *1
Set position indication line
Two M14
×
1
hexagon nuts *3
Panel Mount Crossroller Plunger
53.4
ZC-Q2155
PT Set position
indication line
A
23.3
14
Two M14
×
1
hexagon nuts *3
OP
12.5
*2
11 dia.
×
4.7 *1
(3.6)
OP
12.5
(2.25)
21
5
19
(10)
21
5
19
(10)
22 max.
18.3
25.4
±
0.15
Terminal protective cover
55
22 max.
18.3
15
(21
×
21)
25.4
±
0.15
Seal rubber
(NBR)
15
Two,
mounting holes
4.3
±
0.1
dia.
21.7
Terminal protective cover
55
*1. Stainless sintered alloy roller
*2. The length of the imperfect threads is 1.5 mm maximum.
*3. Thickness: 3 width: 17
Two, 4.3
±
0.1
dia.
mounting holes
(21
×
21)
21.7
Seal rubber
(NBR)
Note: Do not use the M14 mounting
screw and the case mounting
hole at the same time.
*1. Stainless sintered alloy roller
*2. The length of the imperfect threads is 1.5 mm maximum.
*3. Thickness: 3 width: 17
Note: Do
not use the M14 mounting
screw and the case mounting
hole at the same time.
Sealed Roller Plunger
ZC-N2255
PT
A
53.4
23.3
9.5 dia.
×
4.7 *
Rubber boot
(chloroprene rubber)
Sealed Crossroller Plunger
ZC-N2155
53.4
PT
A
23.3
14
Rubber boot
(chloroprene rubber)
9.5 dia.
×
4.7 *
OP
14
OP
19
19
5
(10)
5
22 max.
18.3
25.4
±
0.15
Terminal protective cover
* Stainless sintered alloy roller
55
(10)
22 max.
18.3
(21
×
21)
21.7
Seal rubber
(NBR)
15
25.4
±
0.15
Terminal protective cover
* Stainless sintered alloy roller
55
15
(21
×
21)
21.7
Seal rubber
(NBR)
Two, 4.3
±
0.1
dia.
mounting holes
Two, 4.3
±
0.1
dia.
mounting holes
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.
3
ZC-@55
Short Hinge Roller Lever
ZC-W55
t=1 *
50R
A
8
53.4
34.6
Hinge Lever
ZC-W155
14
53.4
34.6
14
70R
A
8
t=1 *
22.5
5
OP
20
FP
22.5
5
OP
20
FP
22 max.
18.3
25.4
±
0.15
Terminal protective cover
* Stainless steel lever
55
(10)
22 max.
18.3
15
(10)
Two, 4.3
±
0.1
dia.
mounting holes
(21
×
21)
21.7
25.4
±
0.15
Seal rubber
(NBR)
15
Terminal protective cover
* Stainless steel lever
55
Two, 4.3
±
0.1
dia.
mounting holes
(21
×
21)
21.7
Seal rubber
(NBR)
Short Hinge Roller Lever
ZC-W255
t=1 *
1
53.4
34.6
14
A
12.7 dia.
×
7.5 *2
Hinge Roller Lever
ZC-W2155
t=1 *
1
53.4
34.6
14
A
12.7 dia.
×
7.5 *2
50R
FP
70R
FP
OP
22.5
5
20
OP
22.5
5
20
22 max.
18.3
25.4
±
0.15
Terminal protective cover
*1. Stainless steel lever
*2. Stainless steel roller
55
(10)
22 max.
18.3
25.4
±
0.15
Seal rubber
(NBR)
(10)
15
Two,
mounting holes
4.3
±
0.1
dia.
(21
×
21)
21.7
15
Terminal protective cover
*1. Stainless steel lever
*2. Stainless steel roller
55
Two, 4.3
±
0.1
dia.
mounting holes
(21
×
21)
21.7
Seal rubber
(NBR)
One-way Action Short Hinge Roller Lever
ZC-W355
Operating direction
53.4
34.6
Angle of roller
swing: 90
°
14
A
12.7 dia.
×
7.5 *2
One-way Action Hinge Roller Lever
Operating direction
ZC-W3155
53.4
34.6
14
A
Angle of roller
swing: 90
°
FP
12.7 dia.
×
7.5 *2
t=1 *
1
54R
73R
t=1 *
1
OP
FP
OP
22.5
5
22.5
5
20
20
22 max.
18.3
25.4
±
0.15
Terminal protective cover
*1. Stainless steel lever
*2. Stainless steel roller
55
(10)
22 max.
18.3
25.4
±
0.15
Seal rubber
(NBR)
(10)
15
Two, 4.3
±
0.1
dia.
mounting holes
(21
×
21)
21.7
15
Terminal protective cover
*1. Stainless steel lever
*2. Stainless steel roller
55
Two, 4.3
±
0.1
dia.
mounting holes
(21
×
21)
21.7
Seal rubber
(NBR)
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.
Operating Characteristics
Operating force
OF
Release force
RF
Pretravel
PT
Overtravel
OT
Movement Differential MD
Free Position
FP
Operating Position
OP
Model
max.
min.
max.
min.
max.
max.
ZC-D55
11.8 N
4.9 N
1.5 mm
2.4 mm
0.2 mm
---
32.4±0.8 mm
ZC-Q55
11.8 N
4.9 N
1.5 mm
3 mm
0.2 mm
---
38.2±0.8 mm
ZC-Q2255
11.8 N
4.9 N
1.5 mm
3 mm
0.2 mm
---
47.4±0.8 mm
ZC-Q2155
11.8 N
4.9 N
1.5 mm
3 mm
0.2 mm
---
47.4±0.8 mm
ZC-N2255
*
6.86 N
1.67 N
1.5 mm
2.5 mm
0.2 mm
---
47.4±0.8 mm
ZC-N2155
*
6.86 N
1.67 N
1.5 mm
2.5 mm
0.2 mm
---
47.4±0.8 mm
* Make sure that the permissible OT position is not exceeded.
Operating Characteristics
Operating force
OF
Release force
RF
Pretravel
PT
Overtravel
OT
Movement Differential MD
Free Position
FP
Operating Position
OP
Model
max.
min.
max.
min.
max.
max.
ZC-W55
3.92 N
0.78 N
---
6 mm
1 mm
34.7 mm
28.5±1.2 mm
ZC-W155
2.75 N
0.59 N
---
8.4 mm
1.4 mm
36.7 mm
28.5±1.2 mm
ZC-W255
3.92 N
0.78 N
---
6 mm
1 mm
49.2 mm
43±1.2 mm
ZC-W2155
2.75 N
0.59 N
---
8.4 mm
1.4 mm
51.3 mm
43±1.2 mm
ZC-W355
3.92 N
0.78 N
---
6 mm
1 mm
59.2 mm
53±1.2 mm
ZC-W3155
2.75 N
0.59 N
---
8.4 mm
1.4 mm
61.2 mm
53±1.2 mm
4
ZC-@55
Molded Terminal Models
(Not Approved by UL, CSA, or EN)
Use of the molded terminal model is recommended in locations
subject to excessive dust, oil drips, or moisture.
All types of ZC Switches can be fabricated into a molded terminal
version. In this case, the molded terminal model will have the same
dimensions and operating characteristics as the basic model from
which the molded terminal model is fabricated.
Terminal Protective Cover, Seal Rubber, and
Rubber Packing
(The Switch is equipped with these 3 items as a
standard.)
•
ZC Terminal Cover
(Product code: ZC55-0002H)
•
ZC Seal Rubber
(Product code: SC-1404C)
•
ZC Rubber Packing
(Product code: ZC55-0003F)
Suffix by Location of Lead Outlet
Location of
lead output
Right-hand
Left-hand
Underside
Lead Supplies
Speci-
Leads fica-
tion
V.C.T.
(vinyl
cabtire
cable)
Nominal
cross-sectional
area
(mm
2
)
1.25
External
diameter
(mm)
3 conductor:
10.5 dia.
Terminal
connec-
tions
Black:
COM
White: NO
Red: NC
Length
(m)
Model (Suffix)
COM, NC, NO
-MR
-ML
-MD
Note: The suffixes on the
left can be added to
the model numbers
given on page 1 to
specify molded
terminals.
1, 3
Note: When placing your order for the Switch, specify the required length of
V.C.T. cable in addition to the model number of the Switch.
Consult with your OMRON representative for other types of lead wires
and for lead wires longer than 3 m.
How to Order
Example:
Standard type:
ZC-Q2255
Location of lead output:Right side
Length of lead:
1 m (V.C.T. lead)
When placing your order for the above Switch, specify the model
number as ZC-Q2255-MR VCT 1M.
5
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