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参数资料
型号： G20-50K
厂商： THE CHERRY CORP
元件分类： 开关
英文描述： SNAP ACTING/LIMIT SWITCH, DPDT, MOMENTARY, 12.67mm, PANEL MOUNT
文件页数： 3/3页
文件大小： 2262K
代理商： G20-50K
Actuator Specifications — Double Pole
Maximum Maximum
Operating
Minimum
Max. Movement Actuation
Operating
Pretravel
Point*
Overtravel
Differential
Length
Series/
Actuator
Switch
Force
inches
Prefix
Type
(g)
(mm)
E19/G20
–00A
850
0.050
0.285±0.030
0.080
0.015
—
(1.27)
(7.24±0.76)
(2.03)
(0.38)
E20/E28
1280
0.100
0.248±0.030
0.050
0.015
—
(2.54)
(6.30±0.76)
(1.27)
(0.38)
E19/G20
–-00J
850
0.050
0.670±0.030
0.080
0.015
—
(1.27)
(17.02±0.76)
(2.03)
(0.38)
E20/E28
1280
0.100
0.630±0.030
0.050
0.015
—
(2.54)
(16.00±0.76)
(1.27)
(0.38)
E19/G20
–00M
850
0.050
0.812±0.030
0.218
0.015
—
(1.27)
(20.62±0.76)
(5.54)
(.038)
E20/E28
1280
0.100
0.774±0.030
0.188
0.015
—
(2.54)
(19.66±0.76)
(4.78)
(0.38)
E19/G20
–00H
205
0.275
0.312±0.062
0.187
0.093
1.500
(6.99)
(7.92±1.57)
(4.75)
(2.36)
(38.10)
E20/E28
425
0.330
0.468±0.062
0.156
0.050
0.821
(8.38)
(11.89±1.57)
(3.96)
(1.27)
(20.85)
E19/G20
–50H
130
0.400
0.281±0.062
0.187
0.140
1.750
(10.16)
(7.14±1.57)
(4.75)
(3.56)
(44.45)
E20/E28
285
0.600
0.437±0.062
0.156
0.080
1.071
(15.24)
(11.10±1.57)
(3.96)
(2.03)
(27.20)
E19/G20
–00K
212
0.250
0.718±0.062
0.187
0.093
1.391
(6.35)
(18.24±1.57)
(4.75)
(2.36)
(35.33)
E20/E28
425
0.348
0.860±0.062
0.156
0.045
0.652
(8.84)
(21.84±1.57)
(3.96)
(1.14)
(16.56)
E19/G20
–50K
150
0.312
0.687±0.062
0.187
0.140
1.645
(7.92)
(17.45±1.57)
(4.75)
(3.56)
(41.78)
E20/E28
312
0.525
0.828±0.062
0.146
0.075
0.902
(13.34)
(21.03±1.57)
(3.71)
(1.91)
(22.91)
* Measured above reference line. Refer to dimensional drawing above. **Actuator tolerance ±.0.031 inches (0.79mm).
E20 and E28 actuators are shorter and formed up 15° at the button.
Contact factory for E25 specifications.
0.500
(12.7)
0.330
(8.38)
30
°
(2 places)
Reference Line
Cavity for Aux.
External Actuator
0.095 (2.41)
Dia Hole
(6 Places)
0.250 (6.35) x 0.032 (0.81) Thk.
Quick Connect Terminal (6 places)
0.145 (3.68)
0.130
(3.30)
0.641
(16.28
0.015
0.38)
+
-
+
-
0.195
(4.95
0.015
0.38)
+
-
+
-
0.380
(9.65
0.015
0.38)
+
-
+
-
0.786
(19.96
0.015
0.38)
+
-
+
-
0.601
(15.27
0.015
0.38)
+
-
+
-
0.36
(9.14
0.015
0.38)
+
-
+
-
0.406
(10.31
0.015
0.38)
+
-
+
-
1.813
(46.05
0.015
0.38)
+
-
+
-
0.406
(10.31
0.015
0.38)
+
-
+
-
1.000
(25.4
0.007
0.18)
+
-
+
-
0.706
(17.93
0.015
0.38)
+
-
+
-
1.125
(28.58
0.015
0.38)
+
-
+
-
0.300
(7.62
0.015
0.38)
+
-
+
-
N.C.
N.O.
N.C.
N.O.
COM
+0.005
– 0.010
0.135 x 0.175
0.150
+0.005
– 0.010
Note: With respect to operating
sequence, pole 1 or 2 may operate
first (virtually same time). If pole
1 or 2 must always operate in a
particular sequence (1 before 2
or 2 before 1), consult factory.
Dimensions — Double Pole inches (mm)
Actuation
Length
0.375
(9.53)
Diameter
Actuation
Length
Switch
Mounting Hole
High Ratio
Standard Ratio
0.375 (9.53)
0.250 (6.35)
Switch
Mounting Hole
High Ratio
Standard Ratio
Actuators — Double Pole
Standard type integral hinged lever and
roller actuators are available in choice of
two mounting positions. Actuation lengths
are dimensioned from centerline of switch
mounting hole as shown.
0.406 (10.31)
0.312 (7.93)
Flat Both Sides
3/8 x 32 Thread
Thermoplastic
Button
- OOJ Suffix
Extra Over-travel with Internal
Spring-loaded Metal Button
- OOM Suffix
“J” & “M” Type
Optional Hardware — Double Pole
Brass Hex Nut
0012-0023
Brass Knurled Nut
0012-0025
Brass Hex Nut
0012-0028
(Nickel-Plated)
Brass Knurled Nut
0012-0021
(Nickel-Pated)
Star Washer
0012-0073
Specifications subject to change without notice.
Ordering Information
Select the current rating you need. Combine
the corresponding Series/Prefix number
with the appropriate suffix number for the
switch you need. Note: Consult factory for
part number when ordering E19A switches.
Mounting — Double Pole
Recommended mounting screw: #6-32
round head. Recommended torque on
screw: 6 inch lbs. max.
Circuitry — Double Pole
Contact arrangement available in choice of
single pole double throw or single pole single
throw, either normally open or normally
closed. In general, normally open may be
specified by changing suffix number from
00 to 01 and normally closed by changing
suffix number to 02.
Example: E19-00A is double throw,
E19-01A is normally open, and E19-02A
is normally closed.
Terminals — Double Pole
Standard 0.250
″ x 0.032″ (6.35mm x 0.81mm)
[Optional 0.187
″ x 0.032″ (4.75mm x 0.81mm)]
QC terminals can be furnished with angle
formed up or down on common as well as
open or closed terminal. Forms include
straight 30°, 45°, 85° up or down. Other
forms can be provided.
52
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