CB

ASCTB220E 201208-T

REFERENCE DATA

CB RELAYS (Standard type)

1. Allowable ambient temperature

(Heat resistant standard type)

2. Max. switching capability (Resistive load)

(Standard type)

3. Ambient temperature and operating voltage

range

(Standard type)

20

40

60

80

100

120

140

150

90

100

110

120

130

140

150

Applied coil voltage, %V

30A

40A

20A

0

Switching current, A

10

50

40

30

20

60

020

30

40

10

50

Actual value

(N.O. side Room temperature)

0

Ambient temperature,

°C

5

10

15

35

30

25

20

40

–40 –20

20

40

60

100

0

120

8085

Pick-up voltage

(Cold start)

Operating voltage range

Assumption:

• Maximum mean coil temperature: 180

°C

• Curves are based on 1.4W (Nominal power consumption of the unsupprressed coil at nominal voltage)

4. Distribution of pick-up and drop-out voltage

Sample: CB1-P-12V, 42pcs.

5. Distribution of operate and release time

Sample: CB1-P-12V, 42pcs.

0

30

20

10

40

50

60

1.5 2.0 2.5 3.0 3.5

4.5 5.0

4.0

5.5 6.0

Pick-up voltage

Drop-out voltage

Voltage, V

0

30

20

10

40

50

60

3.0

2.0

1.5

1.0

2.5

3.5

4.5 5.0

4.0

5.5 6.0

7.0

6.5

Operate time

Release time

Operate and release time, ms

6. Electrical life test (Motor free)

Sample: CB1F-12V, 5pcs.

Load: 25A 14V DC, motor free actual load

Operating frequency: ON 1s, OFF 9s

Ambient temperature: Room temperature

Circuit

Change of pick-up and drop-out voltage

Change of contact resistance

0

No. of operations,

Max.

Max.

Min.

Min.

X

X

2

1

4

6

5

3

010

5

Pick-up voltage

Drop-out voltage

0

No. of operations,

Max.

Min.

X

20

40

10

3

50

010

5

Load current waveform

Inrush current: 80A, Steady current: 25A

20A

200ms

Tested sample

Relay harness

Motor

M

14V DC

Observation of load waveform

with current probe and digital

oscilloscope