ZC
ZC
Miniature Enclosed Limit Switches
ZC
Small, High-Precision Switches
Ideal for Gang Mounting
■ Requires less operating force than
conventional limit switches for
improved precision
■ Highly accurate repeatability to
0.01 mm (0.0004 inches)
■ Prewired types with molded terminals
available on special request
■ Long service life, economical
■ UL/CSA and CE approvals
Ordering Information
■ STANDARD SWITCHES
Actuator type
Pin plunger
Panel mount plunger
Panel mount roller plunger
Panel mount cross roller plunger
Sealed roller plunger
Sealed cross roller plunger
Part number
ZC-D55
ZC-Q55
ZC-Q2255
ZC-Q2155
ZC-N2255
ZC-N2155
Actuator type
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
Part number
ZC-W55
ZC-W155
ZC-W255
ZC-W2155
ZC-W355
ZC-W3155
Note: All models include a rubber seal.
■ ACCESSORIES
Description
Rubber seal
Part number
SC-R40
Construction
Roller
Plunger
Fixed contact B
Switch
Case
Movable contact
Fixed contact A
Packing
COM terminal
NC terminal
NO terminal
Rubber seal
(optional)
2
ZC
ZC
Specifications
■ RATINGS
Maximum Carrying Currents
Rated
voltage
125 VAC
250 VAC
480 VAC
8 VDC
14 VDC
30 VDC
125 VDC
250 VDC
Non-inductive load (amps)
Resistive load
Lamp load
NC
NO
NC
NO
10
10
3
1.5
10
10
2.5
1.25
3
3
1.5
0.75
10
10
3
1.5
10
10
3
1.5
6
6
3
1.5
0.5
0.5
0.4
0.4
0.25
0.25
0.2
0.2
Inductive load (amps)
Inductive load
Motor load
NC
NO
NC
NO
10
10
5
2.5
10
10
3
1.5
2.5
2.5
1.5
0.75
6
6
5
2.5
6
6
5
2.5
5
5
5
2.5
0.05
0.05
0.05
0.05
0.03
0.03
0.03
0.03
Inrush current (amps)
NC
NO
30 max. 15 max.
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.
■ CHARACTERISTICS
Enclosure
rating
UL
NEMA
IEC 144
Mechanical life
Ambient operating temperature
Vibration
Malfunction durability
Shock
Malfunction durability
Mechanical durability
—
Types 1, 2, 3, 4, 5, and 13 (-N models); Types 1, 2, 3 and 4 all others
IP67 (-N models); IP60 all others
10,000,000 operations minimum
-10° to 80°C (14° to 176°F)
10 to 55 Hz, 1.5 mm (0.06 in) double amplitude
30 G for plunger types, 20 G for lever types
100 G
■ OPERATING CHARACTERISTICS
Legend: OF = Operating Force (max.); RF = Reset Force (min.); OT = Overtravel (min.); PT = Pretravel;
MD = Movement Differential (max.); OP = Operating Position
Part number
ZC-D55
Description
Pin plunger
ZC-Q55
Panel mount pin plunger
ZC-Q2255
Panel mount roller plunger
ZC-Q2155
Panel mount cross roller plunger
ZC-N2255
Sealed roller plunger
ZC-N2155
Sealed cross roller plunger
ZC-W55
Short hinge lever
ZC-W155
Hinge lever
ZC-W255
Short hinge roller lever
ZC-W2155
Hinge roller lever
ZC-W355
One-way action short hinge lever
ZC-W3155
One-way action hinge roller lever
OF
1200 g
(42.3 oz.)
1200 g
(42.3 oz.)
1200 g
(42.3 oz.)
1200 g
(42.3 oz.)
700 g
(24.7 oz.)
700 g
(24.7 oz.)
400 g
(14.1 oz.)
280 g
(9.9 oz.)
400 g
(14.1 oz.)
280 g
(9.9 oz.)
400 g
(14.1 oz.)
280 g
(9.9 oz.)
RF
500 g
(17.6 oz.)
500 g
(17.6 oz.)
500 g
(17.6 oz.)
500 g
(17.6 oz.)
170 g
(6.0 oz.)
170 g
(6.0 oz.)
80 g
(2.8 oz.)
60 g
(2.1 oz.)
80 g
(2.8 oz.)
60 g
(2.1 oz.)
80 g
(2.8 oz.)
60 g
(2.1 oz.)
3
OT
2.4 mm
(0.094 in)
3 mm
(0.118 in)
3 mm
(0.118 in)
3 mm
(0.118 in)
2.5 mm
(0.098 in)
2.5 mm
(0.098 in)
6 mm
(0.236 in)
8.4 mm
(0.331 in)
6 mm
(0.236 in)
8.4 mm
(0.331 in)
6 mm
(0.236 in)
8.4 mm
(0.331 in)
PT
1.5 mm
(0.059 in)
1.5 mm
(0.059 in)
1.5 mm
(0.059 in)
1.5 mm
(0.059 in)
1.5 mm
(0.059 in)
1.5 mm
(0.059 in)
5 mm
(0.197 in)
7 mm
(0.276 in)
5 mm
(0.197 in)
7 mm
(0.276 in)
5 mm
(0.197 in)
7 mm
(0.276 in)
MD
0.2 mm
(0.008 in)
0.2 mm
(0.008 in)
0.2 mm
(0.008 in)
0.2 mm
(0.008 in)
0.2 mm
(0.008 in)
0.2 mm
(0.008 in)
1 mm
(0.039 in)
1.4 mm
(0.055 in)
1 mm
(0.039 in)
1.4 mm
(0.055 in)
1 mm
(0.039 in)
1.4 mm
(0.055 in)
OP
32.4 ±0.8 mm
(1.29 ±0.03 in)
38.2 ±0.8 mm
(1.50 ±0.03 in)
47.4 ±0.8 mm
(1.87 ±0.03 in)
47.4 ±0.8 mm
(1.87 ±0.03 in)
47.7 ±0.8 mm
(1.87 ±0.03 in)
47.4 ±0.8 mm
(1.87 ±0.03 in)
29.5 ±1.2 mm
(1.12 ±0.05 in)
29.5 ±12 mm
(1.12 ±0.05 in)
43 ±1.2 mm
(29.5 ±0.05 in)
43 ±1.2 mm
(1.69 ±0.05 in)
53 ±1.2 mm
(2.1 ±0.05 in)
53 ±1.2 mm
(2.1 ±0.05 in)
ZC
ZC
Engineering Data
■ CONTACT RATINGS
■ ELECTRICAL SERVICE LIFE
Electrical operations (10,000)
10 A at 125 and 250 VAC
0.5 A at 125 VDC, 0.25 A at 250 VDC
NEMA A300C
■ CONTACT RESISTANCE
15 mΩ max. (initial)
■ ELECTRICAL APPROVALS
UL Recognized, File No. E76675
Switching current (amps)
Operation
■ CONTACT FORM
■ TERMINAL AND WIRE DESIGNATIONS
NC
COM
NO
Standard
Prewired
Dimensions
Unit: mm (inch)
■ LIMIT SWITCHES
ZC-D55 Pin Plunger Switch
4
COM
Black
NO
White
NC
Red
ZC
ZC
Unit: mm (inch)
ZC-Q55 Panel Mount Plunger Switch
ZC-Q2255 Panel Mount Roller Plunger Switch
ZC-Q2155 Panel Mount Cross Roller Plunger Switch
ZC-N2255 Sealed Roller Plunger Switch
5
ZC
ZC
Unit: mm (inch)
ZC-N2155 Sealed Cross Roller Plunger Switch
ZC-W55 Short Hinge Lever Switch
ZC-W155 Hinge Lever Switch
ZC-W255 Short Hinge Roller Lever Switch
6
ZC
ZC
Unit: mm (inch)
ZC-W2155 Hinge Roller Lever Switch
ZC-W355 One-Way Action Short Hinge Roller Lever Switch
ZC-W3155 One-Way Action Hinge Roller Lever Switch
Installation
■ MOUNTING HOLES
7
ZC
ZC
OMRON ELECTRONICS LLC
OMRON ON-LINE
OMRON CANADA, INC.
One East Commerce Drive
Schaumburg, IL 60173
Global - http://www.omron.com
USA - http://www.omron.com/oei
Canada - http://www.omron.com/oci
885 Milner Avenue
Scarborough, Ontario M1B 5V8
1-800-55-OMRON
Cat. No. CEDSAX4
11/01
Specifications subject to change without notice.
416-286-6465
Printed in the U.S.A.
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