Datasheet DE2a-L2-3V, DE2a-L2-24V, DE2a-L2-12V, DE2a-L-9V, DE2a-L-6V Datasheet (NAIS)

DE

244

DE RELAYS

COMPACT HIGH-INSULATION
POLARIZED POWER RELAY

VDE

mm inch

12.5

.492

25.0

.984

12.5

.492

FEATURES

• Conforms to VDE0631.

Insulating distance between coil and
contacts:
Clearance Min. 8mm .315 inch
Creepage distance Min. 8mm .315 inch

• Extensive product line-up.

• High inrush current capability

Surge voltage between contact and coil
12 kV

• Low operating power

Nominal operating power at 200 mW
(Single side stable, 2 coil latching)

• Compact body saves space

Size: 12.5(W) × 25.0(L) × 12.5(H) mm

.492(W) × .984(L) × .492(H) inch

• UL/CSA, VDE approved

SPECIFICATIONS

Contact

Coil (at 20 ° C, 68 ° F)

Characteristics

Arrangement 1 Form A

1 Form A
1 Form B

2 Form A

Contact material Silver alloy
Initial contact resistance,

max. (By voltage drop
6V DC 1A)

30m Ω

Rating
(resistive
load)

Nominal
switching
capacity

10A 250V AC,

10A 30V DC

8A 250V AC,

8A 30V DC

8A 250V AC,

8A 30V DC

Max.
switching
power

2,500 VA,

300W

2,000 VA,

240W

2,000 VA,

240W

Max.
switching
voltage

440V AC,

230V DC

440V AC,
230V DC

440V AC,
230V DC

Max.
switching
current

10A 8A 8A

Expected
life (min.
operations)

Mechanical
(at 300cpm)

10

7

Electrical
(at 20 cpm)

(resistive load)

10

5

10

5

(AC)

5 × 10

4

(DC)

Nominal operating power
Single side stable 200 mW
1 coil latching 100 mW
2 coil latching 200 mW

Max. operating speed 20 cpm (at rated load)
Initial insulation resistance*

1

Min. 1,000 M Ω

(at 500 V DC)

Initial
breakdown
voltage*

2

Between open contacts 1,000 Vrms
Between contact sets

4,000 Vrms (2 Form A,

1 Form A 1 Form B)

Between contact and coil 5,000 Vrms

Surge voltage between contact and coil*

3

Min. 12,000 V (initial)

Operate time [Set time]*

4

Max. 10ms (typ. 5ms)

[Max. 10ms (typ. 4ms)]

(at 20 ° C 68 ° F)

Release time (without diode) [Reset time]*

4

Max. 5ms (typ. 2ms)

[Max. 10ms (typ. 4ms)]

(at 20 ° C 68 ° F)

Temperature rise (at 70 ° C)*

5

Max. 50 ° C

Shock resistance

Functional*

6

Min. 196 m/s

2

{20 G}

Destructive*

7

Min. 980 m/s

2

{100 G}

Vibration resistance

Functional*

8

10 to 55 Hz at double

amplitude of 2 mm

Destructive

10 to 55 Hz at double

amplitude of 3 mm

Conditions for operation,
transport and storage*

9

(Not freezing and condens­ing at low temperature)

Ambient temp.

–40 ° C to 70 ° C

–40 ° F to 158 ° F

Humidity 5 to 85% R.H.

Unit weight Approx. 7 g .25 oz

Remarks

* Specifications will vary with foreign standards certification ratings.
*

1

Measurement at same location as "Initial breakdown voltage" section.

*

2

Detection current: 10mA

*

3

Wave is standard shock voltage of ± 1.2 × 50 µ s according to JEC-212-1981

*

4

Nominal operating voltage applied to the coil, excluding contact bounce time.

*

5

By resistive method

*

6

Half-wave pulse of sine wave: 11ms, detection time: 10ms.

*

7

Half-wave pulse of sine wave: 6ms

*

8

Detection time: 10ms

*

9

Refer to 5. Conditions for operation, transpor t and storage mentioned in
AMBIENT ENVIRONMENT (Page 61).

TYPICAL
APPLICATIONS

• Temperature controller

• Automatic meter reading

• OA equipment

• FA equipment

ORDERING INFORMATION

1a L 3 VDEEx.

Contact arrangement

1a: 1 Form A
1a1b: 1 Form A 1 Form B
2a: 2 Form A

Product name
DE

Note: Standard packing; Carton(tube package): 50 pcs. Case 500 pcs.
UL/CSA, VDE approved type is standard.

Nil: Single side stable
L: 1 coil latching
L2: 2 coil latching

1: 3
2: 6
3: 12

4: 24
6: 4.5
7: 9

9: 5

Operating function Coil voltage, V DC

DE

245

TYPES AND COIL DATA (at 20 ° C 68 ° F)

• Single side stable type

1 Form A

1 Form A 1 Form B

2 Form A

• 1 coil latching type

1 Form A

1 Form A 1 Form B

Part No.

Nominal

voltage,

V DC

Pick-up

voltage,

V DC (max.)

(initial)

Drop-out

voltage,

V DC (min.)

(initial)

Coil resistance,

Ω ( ±

10%)

Nominal operating

current,

mA ( ± 10%)

Nominal operating

power,

mW

Max.

allowable

voltage,

V DC
DE1a-3V 3 2.1 0.3 45 66.6 200 3.9
DE1a-4.5V 4.5 3.15 0.45 101 44.5 200 5.85
DE1a-5V 5 3.5 0.5 125 40 200 6.5
DE1a-6V 6 4.2 0.6 180 33.3 200 7.8
DE1a-9V 9 6.3 0.9 405 22.2 200 11.7
DE1a-12V 12 8.4 1.2 720 16.6 200 15.6
DE1a-24V 24 16.8 2.4 2,880 8.3 200 31.2

Part No.

Nominal

voltage,

V DC

Pick-up

voltage,

V DC (max.)

(initial)

Drop-out

voltage,

V DC (min.)

(initial)

Coil resistance,

Ω ( ±

10%)

Nominal operating

current,

mA ( ± 10%)

Nominal operating

power,

mW

Max.

allowable

voltage,

V DC
DE1a1b-3V 3 2.1 0.3 45 66.6 200 3.9
DE1a1b-4.5V 4.5 3.15 0.45 101 44.5 200 5.85
DE1a1b-5V 5 3.5 0.5 125 40 200 6.5
DE1a1b-6V 6 4.2 0.6 180 33.3 200 7.8
DE1a1b-9V 9 6.3 0.9 405 22.2 200 11.7
DE1a1b-12V 12 8.4 1.2 720 16.6 200 15.6
DE1a1b-24V 24 16.8 2.4 2,880 8.3 200 31.2

Part No.

Nominal

voltage,

V DC

Pick-up

voltage,

V DC (max.)

(initial)

Drop-out

voltage,

V DC (min.)

(initial)

Coil resistance,

Ω ( ±

10%)

Nominal operating

current,

mA ( ± 10%)

Nominal operating

power,

mW

Max.

allowable

voltage,

V DC
DE2a-3V 3 2.1 0.3 45 66.6 200 3.9
DE2a-4.5V 4.5 3.15 0.45 101 44.5 200 5.85
DE2a-5V 5 3.5 0.5 125 40 200 6.5
DE2a-6V 6 4.2 0.6 180 33.3 200 7.8
DE2a-9V 9 6.3 0.9 405 22.2 200 11.7
DE2a-12V 12 8.4 1.2 720 16.6 200 15.6
DE2a-24V 24 16.8 2.4 2,880 8.3 200 31.2

Part No.

Nominal

voltage,

V DC

Set voltage,

V DC (max.)

(initial)

Reset

voltage,

V DC (min.)

(initial)

Coil resistance,

Ω ( ±

10%)

Nominal operating

current,

mA ( ± 10%)

Nominal operating

power,

mW

Max.

allowable

voltage,

V DC
DE1a-L-3V 3 2.1 2.1 90 33.3 100 3.9
DE1a-L-4.5V 4.5 3.15 3.15 202 22.3 100 5.85
DE1a-L-5V 5 3.5 3.5 250 20 100 6.5
DE1a-L-6V 6 4.2 4.2 360 16.7 100 7.8
DE1a-L-9V 9 6.3 6.3 812 11.1 100 11.7
DE1a-L-12V 12 8.4 8.4 1,440 8.3 100 15.6
DE1a-L-24V 24 16.8 16.8 5,760 4.2 100 31.2

Part No.

Nominal

voltage,

V DC

Pick-up

voltage,

V DC (max.)

(initial)

Drop-out

voltage,

V DC (min.)

(initial)

Coil resistance,

Ω ( ±

10%)

Nominal operating

current,

mA ( ± 10%)

Nominal operating

power,

mW

Max.

allowable

voltage,

V DC
DE1a1b-L-3V 3 2.1 2.1 90 33.3 100 3.9
DE1a1b-L-4.5V 4.5 3.15 3.15 202 22.3 100 5.85
DE1a1b-L-5V 5 3.5 3.5 250 20 100 6.5
DE1a1b-L-6V 6 4.2 4.2 360 16.7 100 7.8
DE1a1b-L-9V 9 6.3 6.3 812 11.1 100 11.7
DE1a1b-L-12V 12 8.4 8.4 1,440 8.3 100 15.6
DE1a1b-L-24V 24 16.8 16.8 5,760 4.2 100 31.2

DE

246

2 Form A

• 2 coil latching type

1 Form A

1 Form A 1 Form B

2 Form A

Part No.

Nominal

voltage,

V DC

Pick-up
voltage,

V DC (max.)

(initial)

Drop-out

voltage,

V DC (min.)

(initial)

Coil resistance,

Ω ( ±

10%)

Nominal operating

current,

mA ( ± 10%)

Nominal operating

power,

mW

Max.

allowable

voltage,

V DC
DE2a-L-3V 3 2.1 2.1 90 33.3 100 3.9
DE2a-L-4.5V 4.5 3.15 3.15 202 22.3 100 5.85
DE2a-L-5V 5 3.5 3.5 250 20 100 6.5
DE2a-L-6V 6 4.2 4.2 360 16.7 100 7.8
DE2a-L-9V 9 6.3 6.3 812 11.1 100 11.7
DE2a-L-12V 12 8.4 8.4 1,440 8.3 100 15.6
DE2a-L-24V 24 16.8 16.8 5,760 4.2 100 31.2

Part No.

Nominal

voltage,

V DC

Set voltage,

V DC (max.)

(initial)

Reset

voltage,

V DC (min.)

(initial)

Coil resistance,

Ω ( ±

10%)

Nominal operating

current,

mA ( ± 10%)

Nominal operating

power,

mW

Max.

allowable

voltage,

V DC

Set coil Reset coil Set coil Reset coil Set coil Reset coil
DE1a-L2-3V 3 2.1 2.1 45 45 66.6 66.6 200 200 3.9
DE1a-L2-4.5V 4.5 3.15 3.15 101 101 44.5 44.5 200 200 5.85
DE1a-L2-5V 5 3.5 3.5 125 125 40 40 200 200 6.5
DE1a-L2-6V 6 4.2 4.2 180 180 33.3 33.3 200 200 7.8
DE1a-L2-9V 9 6.3 6.3 405 405 22.2 22.2 200 200 11.7
DE1a-L2-12V 12 8.4 8.4 720 720 16.6 16.6 200 200 15.6
DE1a-L2-24V 24 16.8 16.8 2,880 2,880 8.3 8.3 200 200 31.2

Part No.

Nominal

voltage,

V DC

Set voltage,

V DC (max.)

(initial)

Reset

voltage,

V DC (min.)

(initial)

Coil resistance,

Ω ( ±

10%)

Nominal operating

current,

mA ( ± 10%)

Nominal operating

power,

mW

Max.

allowable

voltage,

V DC

Set coil Reset coil Set coil Reset coil Set coil Reset coil
DE1a1b-L2-3V 3 2.1 2.1 45 45 66.6 66.6 200 200 3.9
DE1a1b-L2-4.5V 4.5 3.15 3.15 101 101 44.5 44.5 200 200 5.85
DE1a1b-L2-5V 5 3.5 3.5 125 125 40 40 200 200 6.5
DE1a1b-L2-6V 6 4.2 4.2 180 180 33.3 33.3 200 200 7.8
DE1a1b-L2-9V 9 6.3 6.3 405 405 22.2 22.2 200 200 11.7
DE1a1b-L2-12V 12 8.4 8.4 720 720 16.6 16.6 200 200 15.6
DE1a1b-L2-24V 24 16.8 16.8 2,880 2,880 8.3 8.3 200 200 31.2

Part No.

Nominal

voltage,

V DC

Set voltage,

V DC (max.)

(initial)

Reset

voltage,

V DC (min.)

(initial)

Coil resistance,

Ω ( ±

10%)

Nominal operating

current,

mA ( ± 10%)

Nominal operating

power,

mW

Max.

allowable

voltage,

V DC

Set coil Reset coil Set coil Reset coil Set coil Reset coil
DE2a-L2-3V 3 2.1 2.1 45 45 66.6 66.6 200 200 3.9
DE2a-L2-4.5V 4.5 3.15 3.15 101 101 44.5 44.5 200 200 5.85
DE2a-L2-5V 5 3.5 3.5 125 125 40 40 200 200 6.5
DE2a-L2-6V 6 4.2 4.2 180 180 33.3 33.3 200 200 7.8
DE2a-L2-9V 9 6.3 6.3 405 405 22.2 22.2 200 200 11.7
DE2a-L2-12V 12 8.4 8.4 720 720 16.6 16.6 200 200 15.6
DE2a-L2-24V 24 16.8 16.8 2,880 2,880 8.3 8.3 200 200 31.2

DE

247

DIMENSIONS

mm inch

Single side stable

1 coil latching type

2 coil latching type

Tolerance: ± 0.3 ± .012

0.5 dia

.020 dia

25.0

.984

12.5

.492

7.62

.300

3.5

.138

2.44

.096

15.24

.600

0.8

.032

0.8

.032

0.4

.016

1.0

.039

7.62

.300

12.0

.472

0.5

.020

0.5 dia

.020 dia

0.5 dia

.020 dia

3.5

.138

2.44

.096

0.8

.032

0.8

.032

1.0

.039

0.5

.020

25.0

.984

12.0

.472

12.70

.500

7.62

.300

2.54

.100

12.5

.492

7.62

.300

0.4

.016

PC board pattern (Bottom view)

Single side stable

1 coil latching type

2 coil latching type

Tolerance : ± 0.1 ± .004

7.62

.300

15.24

.600

6-1.2 dia

6-.047 dia

7.62

.300

8-1.2 dia

8-.047 dia

7.62

.300

12.70

.500

7.62

.300

2.54

.100

Schematic (Bottom view)

Single side stable

(1 Form A)

(5,6: dummy terminal)

(1 Form A 1 Form B)

(Deenergized condition)

(2 Form A)

431

865

865

134

865

134

1coil latching type

(1 Form A)

(5,6: dummy terminal)

(1 Form A 1 Form B)

(Reset condition)

(2 Form A)

1

8635

4

865

134

865

134

2coil latching type

(1 Form A)

(5,6: dummy terminal)

(1 Form A 1 Form B)

(Reset condition)

(2 Form A)

56178

432

4321

876 515678

432

REFERENCE DATA

1.-(1) Maximum switching power (1 Form A) 1.-(2) Maximum switching power
(1 Form A 1 Form B, 2 Form A)

2.-(1) Life curve (1 Form A)

101

100

1000

10

1

100

0.1
Contact voltage, V

Contact current, A

AC resistive load

DC resistive load

101

100

1000

10

1

100

0.1
Contact voltage, V

Contact current, A

AC resistive load

DC resistive load

123456789010

100

50

10

Contact current, A

Life, ×10

4

250 V AC resistive load
30 V DC resistive load

2.-(2) Life curve (1 Form A 1 Form B) 2.-(3) Life curve (2 Form A) 3.-(1) Coil temperature rise (1 Form A)

Tested sample: DE1a-12V
Quantity: n=6
Ambient temperature: 25°C to 70°C 77°F to 158°F

10 2345678910

100

50

10

Contact current, A

Life, ×10

4

250 V AC resistive load
30 V DC resistive load

123456789010

100

50

10

Contact current, A

250 V AC resistive load

30 V DC resistive load

Life, ×10

4

0

10

20

30

40

50

8070 90 100 110 120 130

0A

0A

16A

10A

25°C 77°F
70°C 158°F

Coil applied voltage, %V

Temperature rise, °C

DE

248

3.-(2) Coil temperature rise (1 Form A 1 Form B)

Tested sample: DE1a1b-5V
Quantity: n=6
Ambient temperature: 25°C to 70°C 77°F to 158°F

3.-(3) Coil temperature rise (2 Form A)

Tested sample: DE2a-5V
Quantity: n=6
Ambient temperature: 25°C to 70°C 77°F to 158°F

4.-(1) Operate/release time (1 Form A)

Tested sample: DE1a-5V
Quantity: n=5

0

10

20

30

40

50

8070 90 100 110 120 130

0A

0A

8A

8A

25°C 77°F
70°C 158°F

Coil applied voltage, %V

Temperature rise, °C

0

10

20

30

40

50

8070 90 100 110 120 130

0A
0A

8A

8A

25°C 77°F
70°C 158°F

Coil applied voltage, %V

Temperature rise, °C

9
8

7
6
5
4

3
2
1
0

Min.

Min.

Max.

Max.

Min.

Max.

70 80 90 100 110 120 130

Operate/release time, ms

Operate time

Release time
(With diode)

Coil applied voltage, %V

Release time

x

x

x

4.-(2) Operate/release time (1 Form A 1 Form B)

Tested sample: DE1a1b-5V, Quantity: n=5

4.-(3) Operate/release time (2 Form A)

Tested sample: DE2a-5V, Quantity: n=5

5.-(1) Ambient temperature characteristics
(1 Form A)

Tested sample: DE1a-5V, Ambient temperature:
–40°C to 80°C –40°F to 176°F, Quantity: n=6

7

6

5

4

3

2

1

0

Min.

Min.

Max.

Max.

Min.

Max.

70 80 90 100 110 120 130

Operate/release time, ms

Operate time

Release time
(With diode)

Coil applied voltage, %V

Release time

x

x

x

8
7
6
5
4
3

2

1
0

Min.

Min.

Max.

Min.

Max.

Max.

70 80 90 100 110 120 130

Operate/release time, ms

Operate time

Release time
(With diode)

Coil applied voltage, %V

Release time

x

x

x

–40

–40

–20

–4

20

68

–30

–20

–10

0

10

20

30

40

1046014080176

0

32

Ambient
temperature,°C °F

Drop-out
voltage

Pick-up
voltage

Rate of change, V%

5.-(2) Ambient temperature characteristics
(1 Form A 1 Form B)

Tested sample: DE1a1b-5V, Ambient temperature:
–40°C to 80°C –40°F to 176°F, Quantity: n=6

5.-(3) Ambient temperature characteristics
(2 Form A)

Tested sample: DE2a-5V, Ambient temperature:
–40°C to 80°C –40°F to 176°F, Quantity: n=6

–30

–20

–10

0

10

20

30

Ambient
temperature,°C °F

Drop-out
voltage

Pick-up
voltage

Rate of change, V%

–40

–40

–20

–4

206840

1046014080176

0

32

–30

–20

–10

0

10

20

30

Ambient
temperature,°C °F

Drop-out
voltage

Pick-up
voltage

Rate of change, V%

–40

–40

–20

–4

206840

1046014080176

0

32

For Cautions for Use, see Relay Technical Information (Page 48 to 76).

9/1/2000 All Rights Reserved, © Copyright Matsushita Electric Works, Ltd.

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