CR

9-(1). Electrical life test (Motor free)

Sample: CR2-12V, 3pcs

Load: Inrush current: 25A, Steady current: 6A,

Brake current: 15A,

power window motor actual load (free condition) Tested voltage: 14V DC

Ambient temperature: Room temperature

Circuit

14VDC

M

Load current waveform

Inrush current: 25A, Steady current: 6A,

Brake current: 15A

Tested voltage: 14V DC

10A

100ms

Change of pick-up and drop-out voltage

V

10

 

 

 

9

 

 

 

voltage,

 

 

 

8

 

 

 

7

 

Pick-up voltage

Max.

-out

 

6

 

 

X

drop

 

 

Min.

5

 

 

 

and

 

 

 

4

 

Drop-out voltage

 

-up

 

Max.

 

 

3

 

 

Pick

 

 

X

2

 

 

Min.

 

 

 

 

 

1

 

 

 

 

0

0

10

20

No. of operations, 104

Change of contact resistance

 

50

 

N.C. side

 

 

 

m

 

 

N.O. side

40

 

 

resistance,

30

 

 

 

 

 

Contact

20

 

 

 

 

Max.

 

 

 

 

10

 

X(N.C.)

 

 

Max.

 

 

 

 

 

 

X(N.O.)

 

 

 

Min.

 

0

 

Min.

 

0

10

No. of operations, 104

9-(2). Electrical life test (Motor lock)

Sample: CR2-12V, 3pcs

Brake current: 22A,

power window motor actual load (lock condition) Tested voltage: 14V DC

Switching frequency: (ON:OFF = 0.5s:9.5s)

Ambient temperature: Room temperature

Circuit

Change of pick-up and drop-out voltage

Change of contact resistance

 

10

 

 

 

50

V

9

 

 

 

N.C. side

drop-out voltage,

 

 

resistance, m

N.O. side

8

 

 

40

7

Pick-up voltage

Max.

 

6

 

X

30

 

Min.

5

 

 

 

up and

Drop-out voltage

Max.

Contact

 

4

20

 

X

 

 

 

14VDC

Load current waveform

Brake current: 22A

Tested voltage: 14V DC

M

Motor

5A

100ms

-

 

 

 

 

 

 

 

 

 

 

 

 

Pick

3

 

 

 

 

Min.

 

 

 

 

 

Max.

 

 

 

 

 

 

 

 

 

 

 

2

 

 

 

 

 

10

 

 

 

 

X

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Max.

 

 

1

 

 

 

 

 

 

 

 

 

 

Min.

 

 

 

 

 

 

 

 

 

 

 

 

X

 

 

0

 

 

 

 

 

0

 

 

 

 

Min.

 

 

0

5

10

0

5

10

 

 

 

 

 

No. of operations, 104

 

 

 

 

 

No. of operations, 104

 

 

 

 

 

 

 

 

 

 

 

 

 

 

For Cautions for Use, see Relay Technical Information.

All Rights Reserved © COPYRIGHT Matsushita Electric Works, Ltd.

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Panasonic CR Relays Electrical life test Motor free, Circuit, Load current waveform, Change of contact resistance