LK-S

55

5-(1). Electrical life test

(5 A 277 V AC, resistive load)

Sample: LKS1aF-12V, 6 pcs.

Operation frequency: 20 times/min.

(ON/OFF = 1.5s: 1.5s)

Ambient temperature: 20

Circuit:

Change of pick-up and drop-out voltage

Change of contact resistance

12V DC

Contact

welding

detection

and Mis-

contacting

detection

circuit

277V AC

0

0

2

4

6

8

10

12

510

Max.

Min.

x

Max.

Min.

x

No. of operations,

Pick-up voltage

Drop-out voltage

0

0

5

10

15

20

25

30

35

40

45

50

10

5

Max.

Min.

x

No. of operations,

5-(2). Electrical life test (UL lamp load test TV-5)

Tested sample: LKS1aF-12V, 6 pcs.

• Overload test

Load: 7.5 A 120 V AC (60 Hz),

Inrush: 111 A

Operation frequency: 10 times/min

(ON: OFF = 1 s: 5 s)

No. of operations: 50 ope.

• Endurance test

Load: 5A 120 V AC (60 Hz),

Inrush: 78 A

Operation frequency: 10 times/min

(ON: OFF = 1 s: 5 s)

No. of operations: 25,000 ope.

Change of pick-up and drop-out voltage

Change of contact resistance

0

2.5

0

2

4

6

8

10

12

Max.

Min.

x

Max.

Min.

x

No. of operations,

Pick-up voltage

Drop-out voltage

0

0

5

10

15

20

25

30

35

40

45

50

2.5

Max.

Min.

x

No. of operations,

For Cautions for Use, see Relay Technical Information (Page 11 to 39).