A8GS
Contact specifications
Micro load contact
Power contact
Silver alloy
3 mm
Material
Gold alloy
3 mm
Contact gap
Minimum applicable
load (Reference value) *
3 VDC 1 mA
5 VDC 200 mA
* Please refer to ''Using Micro loads'' in ''Precautions''(P6) for more information on the minimum applicable load.
Characteristics
Mechanical
Switch operation: 20 times/min max, Coil operation: 7 times/min max
7 times/min max
Permissible operating
frequency
Electrical
Insulation resistance
100 MΩ min (at 500 VDC with insulation tester)
100 mΩ max (6 VDC to 8 V, 1 A Voltage drop method)
Micro load contact terminal 100 mΩ max (6 VDC to 8 V, 0.1 A Voltage drop method)
Power contact terminal
Contact resistance
(initial value)
Between terminals of the
AC2,000 V 50/60 Hz 1 min
same polarity
Between terminals of the
AC2,000 V 50/60 Hz 1 min
different polarity
Dielectric strength
Between each terminals of the
AC4,000 V 50/60 Hz 1 min
switch and terminals of coil
Between each terminals of
AC4,000 V 50/60 Hz 1 min
switch and ground
Vibration resistance * Malfunction
10 to 55 Hz 1.5 mm double amplitude (Malfunction within 1 ms)
300 m/s2 min (Malfunction within 1 ms)
1000 m/s2 max
Malfunction
Shock resistance *
Destruction
Ambient operating temperature
Ambient operating humidity
−10 to +55 °C (with no icing or condensation, 60 % RH max)
90 %RH max (+5 to 35 °C with no icing or condensation)
Switch operation: 30,000 operations min, Coil operation: 10,000 operations min
Switch operation: 10,000 operations min
117 A max.
Mechanical
Durability
Electrical
Inrush current
Degree of protection
Contact release time **
IEC IP40
100 ms max
A8GS-Sxxxx: around 9 g
A8GS-Pxxxx: around 10 g
A8GS-Cxxxx: around 11 g
A8GS-Dxxxx: around 12 g
Weight
Note: 1. Above specification values are initial values.
*For the testing condition in individual specification, contact your OMRON sales representative.
**Time from voltage applied to reset coil to actual contacts opening.
Approved Safety Standards
UL (UL61058-1)
TÜV (EN61058-1)
Approved safety
TV-8
Approved safety
standards ratings
TV-8
standards ratings
16 A 125 VAC
10 A 250 VAC
−
approved ratings *
approved ratings *
8/128 A 250 VAC
0.2 A 5 VDC
Power contact terminal
Micro load contact terminal
10 (4) A 250 VAC
0.2 A 5 VDC
Power contact terminal
Micro load contact terminal
TV-8
−
Note: 1. Approved safety standard ratings for Signal Switch Circuit is only for 'A8GS-Cxxxx' model. 'A8GS-Sxxxx' model is not approved.
*These ratings are only for TV-8 rating approved models.
Connector for Signal Switch Circuit and Coil Circuit
CT connectors produced by Tyco Electronics Corporation or XR connectors produced by JST shall be used
for connection of Signal and Coil circuit. Other connectors shall not be used.
Tyco Electronics Corporation: CT connecter
Pressure welding type
JST: XR Connector
AWG #28-26
Cramping type
Connector
Terminal no.
Connection with
Switch
Contact
Housing
179228-3
179228-2
AWG #30-26
AWG #26-22
AWG #28-26
AWG #24
1
2
3
1
2
a (Switch COM)
---
Micro load
contact terminal
173977-3
173977-2
2-179694-3
03XR-6@-P*
b (Switch NO)
+ (Coil)
179609-1
179227-1
Coil terminal
2-179694-2
02XR-6@-P*
- (Coil)
*
@ indicates Housing color.
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