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Specifications
■ Characteristics
Operating speed
0.01 mm to 1m/s (see note 1)
Operating frequency
Mechanical
240 operations/min
Contact resistance
Insulation resistance
Dielectric strength
Electrical
20 operations/min
15 m Ω max. (initial value)
100 M Ω min. (at 500 V DC)
1,000 V AC, 50/60 Hz for 1 min between terminals of the same polarity
2,000 V AC, 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
Shock resistance
Malfunction
Destruction
10 to 55 Hz, 1.5-mm double amplitude (See note 2)
1,000 m/s 2 max.
Malfunction
Degree of protection
Degree of protection against electric shock
Proof tracking index (PTI)
Ambient operating temperature
Ambient operating humidity
300 m/s 2 max. (See notes 1 and 2)
IP00
Class I
175
? 25 ° C to 80 ° C (with no icing)
35% to 85%RH
Service life
Mechanical
1,000,000 operations min.
Weight
Electrical
500,000 operations min.
Approx. 22 to 58 g
Note: 1. The value is for the pin plunger.
2. Malfunction: 1 ms max.
■ Operating Characteristics
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
RF min.
PT max.
400 to 625 g
285 g
1.3 mm
630 g max.
280g
160 g
42 g
6.5 mm
70 g
14 g
15.9 mm
160 g
42 g
6.3 mm
90 g
14 g
12 mm
OT min.
MD max.
OP
0.25 mm
16.3 ± 0.4 mm
3 mm
0.2 mm
26.2 ± 0.5 mm
5.6 mm
21.8 ± 0.8 mm
3.58 mm
0.35 mm
33.4 ± 1.2 mm
1.2 mm
1.2 mm
19 ± 0.8 mm
4 mm
2.4 mm
19 ± 0.8 mm
1.2 mm
1.2 mm
29.8 ± 0.8 mm
2.4 mm
2.2 mm
30.2 ± 0.8 mm
■ Ratings
Non-inductive load (A)
Inductive load (A)
Rated voltage
(V)
Resistive load
Lamp load
Inductive load
Motor load
NC
NO
NC
NO
NC
NO
NC
NO
125 VAC
250 VAC
500 VAC
20
20
15
7.5
7.5
4
20
20
10
12.5
8.3
2
8 VDC
14 VDC
30 VDC
125 VDC
250 VDC
20
20
6
0.5
0.25
3
3
3
0.5
0.25
1.5
1.5
1.5
0.5
0.25
20
15
5
0.05
0.03
12.5
12.5
5
0.05
0.03
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.
■ Contact Specification
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
■ Safety Standards Ratings
UL/CSA (General ratings only)
Contacts
Shape
Rivet
Material
Gap (standard value)
Silver alloy
0.5 mm
Rated voltage
125 VAC
A-20G
1 HP and 10 A "L" (Tungsten)
Inrush current
NC
NO
75 A max.
75 A max.
250 VAC
480 VAC
2 HP
20 A
125 VDC
250 VDC
0.5 A
0.25 A
20
Snap Action Switch
A
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