Specifications
■
Characteristics
Operating speed
Operating frequency
Contact resistance
Insulation resistance
Dielectric strength
Mechanical
Electrical
0.01 mm to 1m/s (see note 1)
240 operations/min
20 operations/min
15 mΩ max. (initial value)
100 MΩ min. (at 500
VDC)
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
Malfunction
Destruction
Malfunction
Degree of protection
Degree of protection against electric shock
Proof tracking index (PTI)
Ambient operating temperature
Ambient operating humidity
Service life
Weight
Note: 1.
The value is for the pin plunger.
2.
Malfunction: 1 ms max.
Mechanical
Electrical
10 to 55 Hz, 1.5-mm double amplitude (See note 2)
1,000 m/s
2
max.
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
1,000,000 operations min.
500,000 operations min.
Approx. 22 to 58 g
Vibration resistance
Shock resistance
■
Operating Characteristics
Characteristics
OF
RF min.
PT max.
OT min.
MD max.
OP
16.3±0.4 mm
0.25 mm
3 mm
0.2 mm
26.2±0.5 mm
21.8±0.8 mm
A-20G-B
A-20GD-B
400 to 625 g
285 g
1.3 mm
5.6 mm
3.58 mm
0.35 mm
33.4±1.2 mm
A-20GQ-B
A-20GQ22-B
A-20GQ21-B
A-20GV21-B
160 g
42 g
6.5 mm
1.2 mm
1.2 mm
19±0.8 mm
A-20GV-B
70 g
14 g
15.9 mm
4 mm
2.4 mm
19±0.8 mm
A-20GV22-B
160 g
42 g
6.3 mm
1.2 mm
1.2 mm
29.8±0.8 mm
A-20GV2-B
90 g
14 g
12 mm
2.4 mm
2.2 mm
30.2±0.8 mm
630 g max.
280g
■
Ratings
Non-inductive load (A)
Rated voltage
(V)
125 VAC
250 VAC
500 VAC
8 VDC
14 VDC
30 VDC
125 VDC
250 VDC
Resistive load
NC
20
20
15
20
20
6
0.5
0.25
3
3
3
0.5
0.25
NO
NC
7.5
7.5
4
1.5
1.5
1.5
0.5
0.25
Lamp load
NO
Inductive load
NC
20
20
10
20
15
5
0.05
0.03
NO
NC
12.5
8.3
2
12.5
12.5
5
0.05
0.03
Inductive load (A)
Motor load
NO
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
Contacts
Shape
Material
Gap (standard value)
Inrush current
NC
NO
Rivet
Silver alloy
0.5 mm
75 A max.
75 A max.
■
Safety Standards Ratings
UL/CSA (General ratings only)
Rated voltage
125 VAC
250 VAC
480 VAC
125 VDC
250 VDC
A-20G
1 HP and 10 A "L" (Tungsten)
2 HP
20 A
0.5 A
0.25 A
20
Snap Action Switch
A
OMRON [ OMRON ELECTRONICS LLC ]
