參數(shù)資料
型號： A-20GD-B
元件分類： 開關
英文描述： SNAP ACTING/LIMIT SWITCH, SPDT, MOMENTARY, 0.5A, 125VDC, 4.3mm, PANEL MOUNT
文件頁數(shù)： 2/8頁
文件大小： 934K
代理商： A-20GD-B
20
Snap Action Switch
A
Specifications
■ Characteristics
Note: 1. The value is for the pin plunger.
2. Malfunction: 1 ms max.
■ Operating Characteristics
■ Ratings
Note: 1. The above values are for steady-state current.
2. Inductive load has 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 ratings values apply under the following test conditions:
(1) Ambient temperature: 20
±2°C
(2) Ambient humidity: 65
±5%RH
(3) Operating frequency: 20 operations/min
■ Contact Specification
■ Safety Standards Ratings
UL/CSA (General ratings only)
Operating speed
0.01 mm to 1m/s (see note 1)
Operating frequency
Mechanical
240 operations/min
Electrical
20 operations/min
Contact resistance
15 m
Ω max. (initial value)
Insulation resistance
100 M
Ω min. (at 500 VDC)
Dielectric strength
1,000 VAC, 50/60 Hz for 1 min between terminals of the same polarity
2,000 VAC, 50/60 Hz for 1 min between the current-carrying metal parts and the ground, and
between each terminal and non-current-carrying metal parts
Vibration resistance
Malfunction
10 to 55 Hz, 1.5-mm double amplitude (See note 2)
Shock resistance
Destruction
1,000 m/s2 max.
Malfunction
300 m/s2 max. (See notes 1 and 2)
Degree of protection
IP00
Degree of protection against electric shock
Class I
Proof tracking index (PTI)
175
Ambient operating temperature
25°C to 80°C (with no icing)
Ambient operating humidity
35% to 85%RH
Service life
Mechanical
1,000,000 operations min.
Electrical
500,000 operations min.
Weight
Approx. 22 to 58 g
Characteristics
A-20G-B
A-20GD-B
A-20GQ-B
A-20GQ22-B
A-20GQ21-B
A-20GV21-B
A-20GV-B
A-20GV22-B
A-20GV2-B
OF
400 to 625 g
630 g max.
160 g
70 g
160 g
90 g
RF min.
285 g
280g
42 g
14 g
42 g
14 g
PT max.
1.3 mm
6.5 mm
15.9 mm
6.3 mm
12 mm
OT min.
0.25 mm
3 mm
5.6 mm
3.58 mm
1.2 mm
4 mm
1.2 mm
2.4 mm
MD max.
0.2 mm
0.35 mm
1.2 mm
2.4 mm
1.2 mm
2.2 mm
OP
16.3
±0.4 mm
26.2
±0.5 mm
21.8
±0.8 mm
33.4
±1.2 mm
19
±0.8 mm
19
±0.8 mm
29.8
±0.8 mm
30.2
±0.8 mm
Rated voltage
(V)
Non-inductive load (A)
Inductive load (A)
Resistive load
Lamp load
Inductive load
Motor load
NC
NO
NC
NO
NC
NO
NC
NO
125 VAC
250 VAC
500 VAC
20
15
7.5
4
20
10
12.5
8.3
2
8 VDC
14 VDC
30 VDC
125 VDC
250 VDC
20
6
0.5
0.25
3
0.5
0.25
1.5
0.5
0.25
20
15
5
0.05
0.03
12.5
5
0.05
0.03
Contacts
Shape
Rivet
Material
Silver alloy
Gap (standard value)
0.5 mm
Inrush current
NC
75 A max.
NO
75 A max.
Rated voltage
A-20G
125 VAC
1 HP and 10 A "L" (Tungsten)
250 VAC
2 HP
480 VAC
20 A
125 VDC
0.5 A
250 VDC
0.25 A
相關PDF資料
PDF描述
A-20GV-B SNAP ACTING/LIMIT SWITCH, SPDT, MOMENTARY, 0.5A, 125VDC, 19.9mm, PANEL MOUNT
A-20GQ SNAP ACTING/LIMIT SWITCH, SPDT, MOMENTARY, 0.5A, 125VDC, 6.9mm, PANEL MOUNT
A-20GV22-B SNAP ACTING/LIMIT SWITCH, SPDT, MOMENTARY, 0.5A, 125VDC, 7.5mm, PANEL MOUNT
A-20GV22 SNAP ACTING/LIMIT SWITCH, SPDT, MOMENTARY, 0.5A, 125VDC, 7.5mm, PANEL MOUNT
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