A-20G Datasheet, PDF (2/8 Pages) Omron Electronics LLC – Snap Action Switch

Specifications
■ Characteristics
Operating speed
Operating frequency
Contact resistance
Insulation resistance
Dielectric strength
Mechanical
Electrical
Vibration resistance
Malfunction
Shock resistance
Destruction
Malfunction
Degree of protection
Degree of protection against electric shock
Proof tracking index (PTI)
Ambient operating temperature
Ambient operating humidity
Service life
Mechanical
Electrical
Weight
Note: 1. The value is for the pin plunger.
2. Malfunction: 1 ms max.
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
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)
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
■ Operating Characteristics
Characteristics
OF
RF min.
PT max.
OT min.
MD max.
OP
A-20G-B
0.25 mm
16.3±0.4 mm
A-20GD-B
400 to 625 g
285 g
3 mm
0.2 mm
26.2±0.5 mm
A-20GQ-B
1.3 mm
5.6 mm
21.8±0.8 mm
A-20GQ22-B A-20GQ21-B
630 g max.
280g
3.58 mm
0.35 mm
33.4±1.2 mm
A-20GV21-B
160 g
42 g
6.5 mm
1.2 mm
1.2 mm
19±0.8 mm
■ Ratings
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
Rated voltage
(V)
125 VAC
250 VAC
500 VAC
8 VDC
14 VDC
30 VDC
125 VDC
250 VDC
Non-inductive load (A)
Resistive load
Lamp load
NC
NO
NC
NO
20
7.5
20
7.5
15
4
20
3
1.5
20
3
1.5
6
3
1.5
0.5
0.5
0.5
0.25
0.25
0.25
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.
Inductive load (A)
Inductive load
Motor load
NC
NO
NC
NO
20
12.5
20
8.3
10
2
20
12.5
15
12.5
5
5
0.05
0.05
0.03
0.03
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
Inrush current
Shape
Material
Gap (standard value)
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