■ Characteristic Data
Durability
Model
Load type
Current
Cycles tested
100,000
30,000
G8H-1C7T-R
Resistive load
Starter motor
20 A (NO), 10 A (NC)
45 A stall, 15 A continuous
Overcurrent Test
Model
Current
Duration
G8H-1C7T-R
40 A (NO), 20 A (NC)
3 cycles (1 cycle is 5 min ON, 10 min.
OFF)
Normalized Coil Resistance vs. Temperature (20° C reference)
150%
140%
130%
120%
110%
100%
90%
80%
70%
-40 -30
-20 -10
0
10 20 30 40 50 60 70 80 90 100 110 120
Example: Resistance of 100 Ω coil
= 75% of 100 Ω at -40° C, or 75 Ω
= 100% of 100 Ω at 20°C, or 100 Ω
= 125% of 100 Ω at 85°C, 125 Ω
Load Limit Curve
Operating Voltage Range (100 Ω coil)
20
18
16
14
12
10
8
18
16
14
12
10
8
6
6
4
4
2
2
0
0
-60 -40 -20
0
20
40
60
80 100 120 140
0
10
20
Switching Current (A)
30
40
50
60
70
Temperature (˚C)
Micro ISO Automotive Relay G8H
3
OMRON [ OMRON ELECTRONICS LLC ]
