Panasonic ACT512 12 Vdc Automotive Relay 800 mW ACT512 Data Sheet

CT (ACT)

1

ds_61205_0000_en_ct: 061006J

CT RELAYS (ACT)

Twin type (8 terminals)

mm 

inch

                              Slim 1c type

• Small & slim size
Twin type: 17.4(L)

×14.0(W)×13.5(H)mm 

.685(L)

×.551(W)×.531(H)inch

Slim 1c type: 17.4(L)

×7.2(W)×13.5(H)mm 

.685(L)

×.283(W)×.531(H)inch

× 2)

Forward/reverse motor control is possible 
with a single relay.

• Power windows
• Auto door lock
• Power sunroof
• Electrically powered mirrors
• Powered seats
• Lift gates
• Slide door closers, etc. 

(for DC motor forward/reverse control 
circuits)

17.4

.685

13.5

.531

14

.551

17.4

.685

7.2

.283

13.5

.531

Coil

terminal

Contact

terminal

= 8 terminals

10 terminals layout

#1 This value can change due to the switching frequency, environmental conditions, 

and desired reliability level, therefore it is recommended to check this with the 
actual load.

Arrangement

1 Form C

×2, 

1 Form C

Contact material

AgSnO

2

 type

Initial contact resistance 
(By voltage drop 6 V DC 1 A)

Max. 100m

Ω

Initial contact voltage drop

Max. 0.2 V (at 10 A)

Rating

Nominal switching 
capacity

N.O.: 20 A 14 V DC 
N.C.: 10 A 14 V DC

Max. carrying current

35 A for 2 minutes, 

25 A for 1 hour 

(14 V, at 20

°C 

68

°F

) 

30 A for 2 minutes, 

20 A for 1 hour 

(14 V, at 85

°C 

185

°F

)

Min. switching capacity

#1

1 A 12 V DC

Expected life 
(min. operation)

Mechanical (at 120 cpm)

Min. 10

7

Electrical

Resistive load

Min. 10

5

*

1

Motor load

Min. 2

×10

5

*

2

 (free)

Min. 10

5

*

3

 (lock)

Nominal operating power

800 mW

Max. operating speed 
(at nominal switching capacity)

6 cpm

Initial insulation resistance*

4

Min. 100 M

Ω (at 500 V DC)

Initial 
breakdown 
voltage*

5

Between open 
contacts

500 Vrms for 1 min.

Between contacts 
and coil

500 Vrms for 1 min.

Operate time*

6

 

(at nominal voltage) (at 20

°C 

68

° F

)

Max. 10ms (Initial)

Release time*

6

 

(at nominal voltage) (at 20

°C 

68

° F

)

Max. 10ms (Initial)

Shock resistance

Functional*

7

Min. 100 m/s

2

 {10G}

Destructive*

8

Min. 1,000 m/s

2

 {100G}

Vibration 
resistance

Functional*

9

10 Hz to 100 Hz, 

Min. 44.1m/s

2

 {4.5G}

Destructive*

10

10 Hz to 500 Hz, 

Min. 44.1m/s

2

 {4.5G}

Conditions for 
operation, transport and 
storage*

11

 (Not freezing 

and condensing at low 
temperature)

Ambient 
temp

–40

°C to +85°C 

–40

°F to +185°F

Humidity

5% R.H. to 85% R.H.

Mass

Approx. 8.0g 

.28oz

 (Twin type) 

Approx. 4.0g 

.14oz

 (Slim 1c type)

*

1

At nominal switching capacity, operating frequency: 1s ON, 9s OFF

*

2

N.O.: at 5 A (steady), 25 A (inrush)/N.C.: at 20 A (brake) 14 V DC, operating 
frequency: 0.5s ON, 9.5s OFF

*

3

At 25A 14 V DC (Motor lock), operating frequency: 0.5s ON, 9.5s OFF

*

4

Measurement at same location as “Initial breakdown voltage” section

*

5

Detection current: 10mA

*

6

Excluding contact bounce time

*

7

Half-wave pulse of sine wave: 11ms; detection: 10

μs

*

8

Half-wave pulse of sine wave: 6ms

*

9

Detection time: 10

μs

*

10

Time of vibration for each direction;

X, Y, direction: 2 hours
Z direction: 4 hours

*

11

Refer to 6. Conditions for operation, transport and storage mentioned in 

AMBIENT ENVIRONMENT (p. 19, Relay Technical Information)

.

X

Y

Z