A-20G-B Omron Automation, A-20G-B Datasheet - Page 2
![no-image](/images/no-image-200.jpg)
A-20G-B
Manufacturer Part Number
A-20G-B
Description
SWITCH, SNAP ACTION, HIGH-CAPACITY, SCREW TERMINALS, ACTUATOR-PIN PLUNGER
Manufacturer
Omron Automation
Type
Basicr
Datasheet
1.A-20GQ-B7-K.pdf
(8 pages)
Specifications of A-20G-B
Actuator Type
Pin Plunger
Brand/series
A-20 Series
Contact Form
SPDT
Current, Rating
20 A
Dielectric Strength
2000 VAC
Mounting Hole Size
4.2 mm
Number Of Poles
1
Operating Force
14.12 to 22.06 Oz.
Operation
Snap Action
Standards
UL Recognized, CSA Certified
Temperature Rating
-25 to +80 °C
Termination
Screw
Voltage, Rating
250 VAC
Lead Free Status / Rohs Status
RoHS Compliant part
Specifications
■ Characteristics
Note: 1. The value is for the pin plunger.
■ Operating Characteristics
■ Ratings
Note: 1. The above values are for steady-state current.
■ Contact Specification
20
Operating speed
Operating frequency
Contact resistance
Insulation resistance
Dielectric strength
Vibration resistance
Shock resistance
Degree of protection
Degree of protection against electric shock
Proof tracking index (PTI)
Ambient operating temperature
Ambient operating humidity
Service life
Weight
OF
RF min.
PT max.
OT min.
MD max.
OP
125 VAC
250 VAC
500 VAC
8 VDC
14 VDC
30 VDC
125 VDC
250 VDC
Contacts
Inrush current
Characteristics
Rated voltage
2. Malfunction: 1 ms max.
2. Inductive load has a power factor of 0.4 min. (AC) and a time
3. Lamp load has an inrush current of 10 times the steady-state current.
(V)
constant of 7 ms max. (DC).
Snap Action Switch
Shape
Material
Gap (standard value)
NC
NO
16.3±0.4 mm
A-20G-B
0.25 mm
NC
Resistive load
Mechanical
Electrical
Malfunction
Destruction
Malfunction
Mechanical
Electrical
26.2±0.5 mm
400 to 625 g
A-20GD-B
0.25
0.2 mm
0.5
20
20
15
20
20
285 g
3 mm
6
Non-inductive load (A)
A
NO
21.8±0.8 mm
A-20GQ-B
Silver alloy
75 A max.
75 A max.
1.3 mm
5.6 mm
0.5 mm
Rivet
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/s
300 m/s
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
0.25
NC
0.5
3
3
3
A-20GQ22-B
2
Lamp load
max. (See notes 1 and 2)
2
max.
7.5
7.5
4
33.4±1.2 mm
630 g max.
3.58 mm
0.35 mm
280g
0.25
NO
1.5
1.5
1.5
0.5
A-20GQ21-B
■ Safety Standards Ratings
UL/CSA (General ratings only)
4. Motor load has an inrush current of 6 times the steady-state current.
5. The ratings values apply under the following test conditions:
Rated voltage
(1) Ambient temperature: 20±2°C
(2) Ambient humidity: 65±5%RH
(3) Operating frequency: 20 operations/min
125 VAC
250 VAC
480 VAC
125 VDC
250 VDC
A-20GV21-B
NC
19±0.8 mm
6.5 mm
1.2 mm
1.2 mm
Inductive load
160 g
42 g
0.05
0.03
20
20
10
20
15
5
19±0.8 mm
A-20GV-B
NO
15.9 mm
Inductive load (A)
2.4 mm
4 mm
70 g
14 g
1 HP and 10 A "L" (Tungsten)
A-20GV22-B
29.8±0.8 mm
6.3 mm
1.2 mm
1.2 mm
NC
160 g
42 g
A-20G
0.25 A
0.5 A
2 HP
20 A
Motor load
12.5
12.5
12.5
0.05
0.03
8.3
2
5
30.2±0.8 mm
A-20GV2-B
2.4 mm
2.2 mm
12 mm
90 g
14 g
NO