ZC
ZC
Miniature Enclosed Limit Switches
Small, High-Precision Switches
Ideal for Gang Mounting
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Requires less operating force than
conventional limit switches for
improved precision
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Highly accurate repeatability to
0.01 mm (0.0004 inches)
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Prewired types with molded terminals
available on special request
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Long service life, economical
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UL/CSA and CE approvals
ZC
Ordering Information
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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
Note: All models include a rubber seal.
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
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ACCESSORIES
Description
Rubber seal
Part number
SC-R40
Construction
Roller
Plunger
Switch
Fixed contact B
Case
Movable contact
Fixed contact A
Packing
COM terminal
NC terminal
NO terminal
Rubber seal
(optional)
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ZC
ZC
Specifications
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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
10
10
3
10
10
6
0.5
0.25
NO
10
10
3
10
10
6
0.5
0.25
NC
3
2.5
1.5
3
3
3
0.4
0.2
NO
1.5
1.25
0.75
1.5
1.5
1.5
0.4
0.2
Inductive load (amps)
Inductive load
Motor load
NC
10
10
2.5
6
6
5
0.05
0.03
NO
10
10
2.5
6
6
5
0.05
0.03
NC
5
3
1.5
5
5
5
0.05
0.03
NO
2.5
1.5
0.75
2.5
2.5
2.5
0.05
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.
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CHARACTERISTICS
Enclosure
rating
UL
NEMA
IEC 144
—
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
Mechanical life
Ambient operating temperature
Vibration
Malfunction durability
Shock
Malfunction durability
Mechanical durability
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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
ZC-Q55
ZC-Q2255
ZC-Q2155
ZC-N2255
ZC-N2155
ZC-W55
ZC-W155
ZC-W255
ZC-W2155
ZC-W355
ZC-W3155
Description
Pin plunger
Panel mount pin plunger
Panel mount roller plunger
Panel mount cross roller plunger
Sealed roller plunger
Sealed cross roller plunger
Short hinge lever
Hinge lever
Short hinge roller lever
Hinge roller lever
One-way action short hinge lever
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.)
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)
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ZC
ZC
Engineering Data
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ELECTRICAL SERVICE LIFE
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CONTACT RATINGS
10 A at 125 and 250 VAC
0.5 A at 125 VDC, 0.25 A at 250 VDC
NEMA A300C
Electrical operations (10,000)
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CONTACT RESISTANCE
15 mΩ max. (initial)
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ELECTRICAL APPROVALS
UL Recognized, File No. E76675
Switching current (amps)
Operation
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CONTACT FORM
NC
COM
NO
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TERMINAL AND WIRE DESIGNATIONS
Standard
Prewired
COM
Black
NO
White
NC
Red
Dimensions
Unit: mm (inch)
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LIMIT SWITCHES
ZC-D55 Pin Plunger Switch
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ZC
Unit: mm (inch)
ZC
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
Unit: mm (inch)
ZC
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
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