DE
244
DE RELAYS
COMPA CT 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 betw een 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 V A,
240W 2,000 V A,
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 condens-
ing 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
86
3
5
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)
56
1
78
432
4321
876 5
1
5678
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, ×104
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, ×104
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, ×104
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
0Min.
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
104 60
140 80
176
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 20
68 40
104 60
140 80
176
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 20
68 40
104 60
140 80
176
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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