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

-20

0

20

40

60

80

80

60

40

20

0

-40

Ambient temperature (°C)

0 A

15 A

30 A

N=5

-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/s2)

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/s2

Shock direction

X

Y

Z

Z'

Y'

X'

Ch2

Ch1

Ch1

ON

OFF

(contact)

Ch2

(coil)

Rated

voltage

Without chattering

e

40

20

60

80

100

On the basis of rated voltage (%)

8

6

4

2

0

n=10

25

20

15

10

5

0

A

Top

Bottom (Standard)

Mounting direction

(Note)

A'

B

B'

C

C'

N = 5

Operate time

35

30

25

20

15

0

A

Top

Bottom(Standard)

Mounting direction

(Note)

A'

B

B'

C

C'

N = 5

Release time

80

70

60

50

40

0

A

Top

Bottom(Standard)

Mounting direction

(Note)

A'

B

B'

C

C'

N = 5

Operate voltage

50

40

30

20

10

0

A

Top

Bottom(Standard)

Mounting direction

(Note)

A'

B

B'

C

C'

N = 5

Release voltage

0.7

0.5

1

3

5

7

10

30

50

Switching operations (×104 operations)

70

60

50

40

30

20

10

0

Operate voltage

Release voltage

N = 5

0.7

0.5

1

3

5

7

10

30

50

100

80

60

40

20

0

N = 5

Switching operations (×104 operations)

0.07

0.05

0.1

0.3

0.5

1

3

5

70

60

50

40

30

20

10

0

Operate

voltage

Release

voltage

N = 5

Switching operations (×104 operations)

0.07

0.05

0.1

0.3

0.5

1

3

5

50

40

30

20

10

0

N = 5

Switching operations (×104 operations)

70 A cos

φ = 0.4

20 A cos

φ = 0.4

0.2s

1s

1s

• Applied coil voltage: 100% of rated

voltage

54 A cos

φ = 0.79

(Compressor Lock Test)

0.5s

10s

• Applied coil voltage: 100% of rated

voltage