Document Outline
- Front Page
- Ordering Information
- Construction
- Specifications
- Engineering Data
- Operation
- Dimensions
- Installation
- Contacting Omron
ZC
ZC
2
s
STANDARD SWITCHES
Ordering Information
Actuator type
Part number
Actuator type
Part number
Pin plunger
ZC-D55
Short hinge lever
ZC-W55
Panel mount plunger
ZC-Q55
Hinge lever
ZC-W155
Panel mount roller plunger
ZC-Q2255
Short hinge roller lever
ZC-W255
Panel mount cross roller plunger
ZC-Q2155
Hinge roller lever
ZC-W2155
Sealed roller plunger
ZC-N2255
One-way action short hinge roller lever
ZC-W355
Sealed cross roller plunger
ZC-N2155
One-way action hinge roller lever
ZC-W3155
Small, High-Precision Switches
Ideal for Gang Mounting
Miniature Enclosed Limit Switches
ZC
s
Requires less operating force than
conventional limit switches for
improved precision
s
Highly accurate repeatability to
0.01 mm (0.0004 inches)
s
Prewired types with molded terminals
available on special request
s
Long service life, economical
s
UL/CSA and CE approvals
Description
Part number
Rubber seal
SC-R40
s
ACCESSORIES
Construction
Movable contact
COM terminal
Switch
Packing
NO terminal
Rubber seal
(optional)
NC terminal
Fixed contact A
Case
Plunger
Roller
Fixed contact B
Note: All models include a rubber seal.
ZC
ZC
3
s
OPERATING CHARACTERISTICS
Part number
Description
OF
RF
OT
PT
MD
OP
ZC-D55
Pin plunger
1200 g
500 g
2.4 mm
1.5 mm
0.2 mm
32.4
0.8 mm
(42.3 oz.)
(17.6 oz.)
(0.094 in)
(0.059 in)
(0.008 in)
(1.29
0.03 in)
ZC-Q55
Panel mount pin plunger
1200 g
500 g
3 mm
1.5 mm
0.2 mm
38.2
0.8 mm
(42.3 oz.)
(17.6 oz.)
(0.118 in)
(0.059 in)
(0.008 in)
(1.50
0.03 in)
ZC-Q2255
Panel mount roller plunger
1200 g
500 g
3 mm
1.5 mm
0.2 mm
47.4
0.8 mm
(42.3 oz.)
(17.6 oz.)
(0.118 in)
(0.059 in)
(0.008 in)
(1.87
0.03 in)
ZC-Q2155
Panel mount cross roller plunger
1200 g
500 g
3 mm
1.5 mm
0.2 mm
47.4
0.8 mm
(42.3 oz.)
(17.6 oz.)
(0.118 in)
(0.059 in)
(0.008 in)
(1.87
0.03 in)
ZC-N2255
Sealed roller plunger
700 g
170 g
2.5 mm
1.5 mm
0.2 mm
47.7
0.8 mm
(24.7 oz.)
(6.0 oz.)
(0.098 in)
(0.059 in)
(0.008 in)
(1.87
0.03 in)
ZC-N2155
Sealed cross roller plunger
700 g
170 g
2.5 mm
1.5 mm
0.2 mm
47.4
0.8 mm
(24.7 oz.)
(6.0 oz.)
(0.098 in)
(0.059 in)
(0.008 in)
(1.87
0.03 in)
ZC-W55
Short hinge lever
400 g
80 g
6 mm
5 mm
1 mm
29.5
1.2 mm
(14.1 oz.)
(2.8 oz.)
(0.236 in)
(0.197 in)
(0.039 in)
(1.12
0.05 in)
ZC-W155
Hinge lever
280 g
60 g
8.4 mm
7 mm
1.4 mm
29.5
12 mm
(9.9 oz.)
(2.1 oz.)
(0.331 in)
(0.276 in)
(0.055 in)
(1.12
0.05 in)
ZC-W255
Short hinge roller lever
400 g
80 g
6 mm
5 mm
1 mm
43
1.2 mm
(14.1 oz.)
(2.8 oz.)
(0.236 in)
(0.197 in)
(0.039 in)
(29.5
0.05 in)
ZC-W2155
Hinge roller lever
280 g
60 g
8.4 mm
7 mm
1.4 mm
43
1.2 mm
(9.9 oz.)
(2.1 oz.)
(0.331 in)
(0.276 in)
(0.055 in)
(1.69
0.05 in)
ZC-W355
One-way action short hinge lever
400 g
80 g
6 mm
5 mm
1 mm
53
1.2 mm
(14.1 oz.)
(2.8 oz.)
(0.236 in)
(0.197 in)
(0.039 in)
(2.1
0.05 in)
ZC-W3155
One-way action hinge roller lever
280 g
60 g
8.4 mm
7 mm
1.4 mm
53
1.2 mm
(9.9 oz.)
(2.1 oz.)
(0.331 in)
(0.276 in)
(0.055 in)
(2.1
0.05 in)
Legend: OF = Operating Force (max.); RF = Reset Force (min.); OT = Overtravel (min.); PT = Pretravel;
MD = Movement Differential (max.); OP = Operating Position
ZC
ZC
Specifications
s
RATINGS
Maximum Carrying Currents
Rated
Non-inductive load (amps)
Inductive load (amps)
Inrush current (amps)
voltage
Resistive load
Lamp load
Inductive load
Motor load
NC
NO
NC
NO
NC
NO
NC
NO
NC
NO
125 VAC
10
10
3
1.5
10
10
5
2.5
250 VAC
10
10
2.5
1.25
10
10
3
1.5
480 VAC
3
3
1.5
0.75
2.5
2.5
1.5
0.75
30 max.
15 max.
8 VDC
10
10
3
1.5
6
6
5
2.5
14 VDC
10
10
3
1.5
6
6
5
2.5
30 VDC
6
6
3
1.5
5
5
5
2.5
125 VDC
0.5
0.5
0.4
0.4
0.05
0.05
0.05
0.05
250 VDC
0.25
0.25
0.2
0.2
0.03
0.03
0.03
0.03
Note:
1. Inductive load has a power factor of 0.4 (AC) and a time constant of 7 msec (DC).
2. Lamp load has an inrush current of 10 times the steady-state current while motor load has an inrush
current of 6 times the steady-state current.
Enclosure
UL
--
rating
NEMA
Types 1, 2, 3, 4, 5, and 13 (-N models); Types 1, 2, 3 and 4 all others
IEC 144
IP67 (-N models); IP60 all others
Mechanical life
10,000,000 operations minimum
Ambient operating temperature
-10
to 80
C (14
to 176
F)
Vibration
Malfunction durability
10 to 55 Hz, 1.5 mm (0.06 in) double amplitude
Shock
Malfunction durability
30 G for plunger types, 20 G for lever types
Mechanical durability
100 G
s
CHARACTERISTICS
ZC
ZC
4
Dimensions
Unit: mm (inch)
ZC-D55 Pin Plunger Switch
s
LIMIT SWITCHES
COM
NC
NO
COM
Black
NO
White
NC
Red
Standard
Prewired
s
TERMINAL AND WIRE DESIGNATIONS
s
CONTACT FORM
Operation
Switching current (amps)
Electrical operations (10,000)
s
CONTACT RATINGS
10 A at 125 and 250 VAC
0.5 A at 125 VDC, 0.25 A at 250 VDC
NEMA A300C
s
CONTACT RESISTANCE
15 m
max. (initial)
s
ELECTRICAL APPROVALS
UL Recognized, File No. E76675
Engineering Data
s
ELECTRICAL SERVICE LIFE
ZC
ZC
5
ZC-Q2255 Panel Mount Roller Plunger Switch
ZC-Q2155 Panel Mount Cross Roller Plunger Switch
ZC-Q55 Panel Mount Plunger Switch
Unit: mm (inch)
ZC-N2255 Sealed Roller Plunger Switch
ZC
ZC
6
ZC-W255 Short Hinge Roller Lever Switch
ZC-N2155 Sealed Cross Roller Plunger Switch
ZC-W55 Short Hinge Lever Switch
ZC-W155 Hinge Lever Switch
Unit: mm (inch)
PDF 
ZIP