Cut Sheet

4
G7L Power Relay
G
7
L
Ambient Temperature vs.
Coil Temperature Rise
G7L-1A 120 VAC (50 Hz) G7L-1A VDC
Shock Malfunction
G7L-2A-T (TUB) 100 to 120 VAC
Momentary Voltage Drop Test
G7L-2A-T (TUB) 100 to 120 VAC
Test Circuit Wave resulted from test
Voltage distribution of wave e which
chattering does not occur.
Characteristic variation resulted from different mounting directions
G7L-2A-T (TUB) 100 to 120 VAC
Operate time Release time Operate voltage Release voltage
(Note.)The mounting direction A’ deteriorates switching performance.
Actual Load Endurance Test
G7L-2A 100 to 200 VAC
Operate and Release voltages
N = 5 Contact resistance
Operate and Release voltages
N = 5 Contact resistance
Load conditions Load conditions
•1 φ 220 VAC • 1 φ 220 VAC
-40
Ambient temperature (°C)
80
60
40
20
0
0 A
15 A
30 A
N=5
Coil Temperature Rise (°C)
-20 0 20 40 60 80
80
60
40
20
0
-40
Ambient temperature (°C)
0 A
15 A
30 A
N=5
Coil Temperature Rise (
°C
)
-20 0 20 40 60 80
Y
X
Z'
X'
Z
100
100
200
300
400
500
100
300
400
500
200
100
300
400
500
200
500
300
200
100
400
100
200
300
400
500
200
300
400
500
Y'
Unit: (m/s
2
)
N = 5
Test method: The value at which
malfunction occurred
was measured after
applying shock to the
test piece 3 times
each in 6 directions
along 3 axes.
Standard: 100m/s
2
Shock direction
X
Y
Z
Z'
Y'
X'
Ch2
Ch1
Ch1
ON
OFF
(contact)
Ch2
(coil)
Rated
voltage
Without chattering
e
4020 60 80 100
On the basis of rated voltage (%)
8
6
4
2
0
Number of Relays
n=10
25
20
15
10
5
0
Time (ms)
A
To p
Bottom
(Standard)
Mounting direction
(Note)
A' B B' C C'
N = 5
Operate time
Time (ms)
35
30
25
20
15
0
A
To p
Bottom
(Standard)
Mounting direction
(Note)
A' B B' C C'
N = 5
Release time
80
70
60
50
40
0
On the basis of rated voltage (%)
A
To p
Bottom
(Standard)
Mounting direction
(Note)
A' B B' C C'
N = 5
Operate voltage
50
40
30
20
10
0
On the basis of rated voltage (%)
A
To p
Bottom
(Standard)
Mounting direction
(Note)
A' B B' C C'
N = 5
Release voltage
0.70.5 1 3 5 7 10 30 50
Switching operations (×10
4
operations)
70
60
50
40
30
20
10
0
On the basis of rated voltage (%)
Operate voltage
Release voltage
N = 5
0.70.5 1 3 5 7 10 30 50
100
80
60
40
20
0
Contact resistance (m
Ω
)
N = 5
Switching operations (×10
4
operations)
0.070.05 0.1 0.3 0.5 1 3 5
70
60
50
40
30
20
10
0
On the basis of rated voltage (%)
Operate
voltage
Release
voltage
N = 5
Switching operations (×10
4
operations)
0.070.05 0.1 0.3 0.5 1 3 5
50
40
30
20
10
0
Contact resistance (m
Ω
)
N = 5
Switching operations (×10
4
operations)
70 A cosφ = 0.4
20 A cosφ = 0.4
0.2s
1s 1s
• Applied coil voltage: 100% of rated
voltage
54 A cosφ = 0.79
(Compressor Lock Test)
0.5s
10s
• Applied coil voltage: 100% of rated
voltage