Specifications
■ Characteristics
Operating speed
0.01 mm to 1m/s (see note 1)
240 operations/min
Operating frequency
Mechanical
Electrical
20 operations/min
Contact resistance
Insulation resistance
Dielectric strength
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
Vibration resistance
Shock resistance
Malfunction
Destruction
Malfunction
10 to 55 Hz, 1.5-mm double amplitude (See note 2)
1,000 m/s2 max.
300 m/s2 max. (See notes 1 and 2)
Degree of protection
IP00
Degree of protection against electric shock
Proof tracking index (PTI)
Class I
175
Ambient operating temperature
Ambient operating humidity
−25°C to 80°C (with no icing)
35% to 85%RH
Service life
Mechanical
Electrical
1,000,000 operations min.
500,000 operations min.
Approx. 22 to 58 g
Weight
Note: 1. The value is for the pin plunger.
2. Malfunction: 1 ms max.
■ Operating Characteristics
Characteristics
A-20G-B
A-20GD-B
400 to 625 g
285 g
A-20GQ-B
A-20GQ22-B A-20GQ21-B A-20GV21-B
A-20GV-B
70 g
A-20GV22-B
160 g
A-20GV2-B
90 g
OF
630 g max.
280g
160 g
42 g
RF min.
PT max.
OT min.
MD max.
OP
14 g
42 g
14 g
1.3 mm
5.6 mm
6.5 mm
1.2 mm
1.2 mm
19±0.8 mm
15.9 mm
4 mm
6.3 mm
1.2 mm
1.2 mm
12 mm
2.4 mm
2.2 mm
0.25 mm
3 mm
3.58 mm
0.35 mm
0.2 mm
2.4 mm
19±0.8 mm
16.3±0.4 mm 26.2±0.5 mm 21.8±0.8 mm
33.4±1.2 mm
29.8±0.8 mm 30.2±0.8 mm
■ Ratings
Non-inductive load (A)
Resistive load Lamp load
NC NO
Inductive load (A)
Rated voltage
(V)
Inductive load
Motor load
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
20
20
3
3
1.5
1.5
20
15
12.5
12.5
5
0.05
0.03
14 VDC
30 VDC
125 VDC
250 VDC
6
3
1.5
5
0.5
0.25
0.5
0.25
0.5
0.25
0.05
0.03
Note: 1. The above values are for 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. Inductive load has a power factor of 0.4 min. (AC) and a time
constant of 7 ms max. (DC).
(2) Ambient humidity: 65±5%RH
3. Lamp load has an inrush current of 10 times the steady-state current.
(3) Operating frequency: 20 operations/min
■ Contact Specification
■ Safety Standards Ratings
UL/CSA (General ratings only)
Contacts
Shape
Rivet
Rated voltage
125 VAC
A-20G
Material
Silver alloy
0.5 mm
1 HP and 10 A "L" (Tungsten)
Gap (standard value)
250 VAC
2 HP
20 A
Inrush current NC
NO
75 A max.
75 A max.
480 VAC
125 VDC
250 VDC
0.5 A
0.25 A
20
Snap Action Switch A
OMRON [ OMRON ELECTRONICS LLC ]
