DE
VDE
COMPACT HIGH-INSULATION
POLARIZED POWER RELAY
DE RELAYS
FEATURES
25.0
.984
• Conforms to VDE0631.
Insulating distance between coil and
contacts:
Clearance Min. 8mm .315 inch
Creepage distance Min. 8mm .315 inch
12.5
.492
12.5
.492
• Extensive product line-up.
• High inrush current capability
Surge voltage between contact and coil
12 kV
mm inch
• 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
Arrangement
Characteristics
1 Form A
1 Form B
Silver alloy
1 Form A
Contact material
Initial contact resistance,
max. (By voltage drop
30mΩ
6V DC 1A)
Nominal
10A 250V AC, 8A 250V AC,
switching
10A 30V DC 8A 30V DC
capacity
Max.
2,500 VA,
2,000 VA,
switching
300W
240W
Rating
power
(resistive
Max.
load)
440V AC,
440V AC,
switching
230V DC
230V DC
voltage
Max.
switching
10A
8A
current
Mechanical
(at 300cpm)
Expected
life (min.
Electrical
operations) (at 20 cpm)
(resistive load)
Max. operating speed
2 Form A
Initial insulation resistance*1
Between open contacts
Initial
breakdown
voltage*2
2,000 VA,
240W
Operate time [Set time]*4
440V AC,
230V DC
Release time (without diode) [Reset time]*4
Temperature rise (at 70°C)*5
Functional*6
Shock resistance
Destructive*7
8A
107
Functional*8
Vibration resistance
105(AC)
5 × 104(DC)
105
Destructive
Conditions for operation,
Ambient temp.
transport and storage*9
(Not freezing and condensHumidity
ing at low temperature)
Unit weight
Nominal operating power
200 mW
100 mW
200 mW
* 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 × 50µs according to JEC-212-1981
*4 Nominal operating voltage applied to the coil, excluding contact bounce time.
*5 By resistive method
TYPICAL
APPLICATIONS
• Temperature controller
• Automatic meter reading
• OA equipment
• FA equipment
Between contact sets
Between contact and coil
Surge voltage between contact and coil*3
8A 250V AC,
8A 30V DC
Coil (at 20°C, 68°F)
Single side stable
1 coil latching
2 coil latching
Remarks
20 cpm (at rated load)
Min. 12,000 V (initial)
Max. 10ms (typ. 5ms)
[Max. 10ms (typ. 4ms)]
(at 20°C 68°F)
Max. 5ms (typ. 2ms)
[Max. 10ms (typ. 4ms)]
(at 20°C 68°F)
Max. 50°C
Min. 196 m/s2{20 G}
Min. 980 m/s2{100 G}
10 to 55 Hz at double
amplitude of 2 mm
10 to 55 Hz at double
amplitude of 3 mm
–40°C to 70°C
–40°F to 158°F
5 to 85% R.H.
Approx. 7 g .25 oz
*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, transport and storage mentioned in
AMBIENT ENVIRONMENT (Page 61).
ORDERING INFORMATION
Ex.
Product name
DE
DE
1a
L
Contact arrangement
Operating function
1a: 1 Form A
1a1b: 1 Form A 1 Form B
2a: 2 Form A
Nil: Single side stable
L: 1 coil latching
L2: 2 coil latching
Note: Standard packing; Carton(tube package): 50 pcs. Case 500 pcs.
UL/CSA, VDE approved type is standard.
244
Min. 1,000 MΩ
(at 500 V DC)
1,000 Vrms
4,000 Vrms (2 Form A,
1 Form A 1 Form B)
5,000 Vrms
3
V
Coil voltage, V DC
1: 3
2: 6
3: 12
4: 24
6: 4.5
7: 9
9: 5
DE
TYPES AND COIL DATA (at 20°C 68°F)
• Single side stable type
1 Form A
Part No.
Nominal
voltage,
V DC
DE1a-3V
DE1a-4.5V
DE1a-5V
DE1a-6V
DE1a-9V
DE1a-12V
DE1a-24V
3
4.5
5
6
9
12
24
Pick-up
voltage,
V DC (max.)
(initial)
2.1
3.15
3.5
4.2
6.3
8.4
16.8
Drop-out
voltage,
V DC (min.)
(initial)
0.3
0.45
0.5
0.6
0.9
1.2
2.4
Drop-out
voltage,
V DC (min.)
(initial)
0.3
0.45
0.5
0.6
Max.
allowable
voltage,
V DC
3.9
5.85
6.5
7.8
11.7
15.6
31.2
Coil resistance,
Ω (±10%)
Nominal operating
current,
mA (±10%)
Nominal operating
power,
mW
45
101
125
180
405
720
2,880
66.6
44.5
40
33.3
22.2
16.6
8.3
200
200
200
200
200
200
200
Coil resistance,
Ω (±10%)
Nominal operating
current,
mA (±10%)
Nominal operating
power,
mW
45
101
125
180
66.6
44.5
40
33.3
200
200
200
200
Max.
allowable
voltage,
V DC
3.9
5.85
6.5
7.8
405
720
2,880
22.2
16.6
8.3
200
200
200
11.7
15.6
31.2
Coil resistance,
Ω (±10%)
Nominal operating
current,
mA (±10%)
Nominal operating
power,
mW
45
101
125
180
405
720
2,880
66.6
44.5
40
33.3
22.2
16.6
8.3
200
200
200
200
200
200
200
1 Form A 1 Form B
DE1a1b-3V
DE1a1b-4.5V
DE1a1b-5V
DE1a1b-6V
3
4.5
5
6
Pick-up
voltage,
V DC (max.)
(initial)
2.1
3.15
3.5
4.2
DE1a1b-9V
DE1a1b-12V
DE1a1b-24V
9
12
24
6.3
8.4
16.8
0.9
1.2
2.4
3
4.5
5
6
9
12
24
Pick-up
voltage,
V DC (max.)
(initial)
2.1
3.15
3.5
4.2
6.3
8.4
16.8
Drop-out
voltage,
V DC (min.)
(initial)
0.3
0.45
0.5
0.6
0.9
1.2
2.4
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
3
4.5
5
6
9
12
24
2.1
3.15
3.5
4.2
6.3
8.4
16.8
2.1
3.15
3.5
4.2
6.3
8.4
16.8
90
202
250
360
812
1,440
5,760
33.3
22.3
20
16.7
11.1
8.3
4.2
100
100
100
100
100
100
100
Pick-up
voltage,
V DC (max.)
(initial)
2.1
3.15
3.5
4.2
6.3
8.4
16.8
Drop-out
voltage,
V DC (min.)
(initial)
2.1
3.15
3.5
4.2
6.3
8.4
16.8
Coil resistance,
Ω (±10%)
Nominal operating
current,
mA (±10%)
Nominal operating
power,
mW
90
202
250
360
812
1,440
5,760
33.3
22.3
20
16.7
11.1
8.3
4.2
100
100
100
100
100
100
100
Part No.
Nominal
voltage,
V DC
2 Form A
Part No.
Nominal
voltage,
V DC
DE2a-3V
DE2a-4.5V
DE2a-5V
DE2a-6V
DE2a-9V
DE2a-12V
DE2a-24V
Max.
allowable
voltage,
V DC
3.9
5.85
6.5
7.8
11.7
15.6
31.2
• 1 coil latching type
1 Form A
Part No.
DE1a-L-3V
DE1a-L-4.5V
DE1a-L-5V
DE1a-L-6V
DE1a-L-9V
DE1a-L-12V
DE1a-L-24V
Max.
allowable
voltage,
V DC
3.9
5.85
6.5
7.8
11.7
15.6
31.2
1 Form A 1 Form B
Part No.
DE1a1b-L-3V
DE1a1b-L-4.5V
DE1a1b-L-5V
DE1a1b-L-6V
DE1a1b-L-9V
DE1a1b-L-12V
DE1a1b-L-24V
Nominal
voltage,
V DC
3
4.5
5
6
9
12
24
Max.
allowable
voltage,
V DC
3.9
5.85
6.5
7.8
11.7
15.6
31.2
245
DE
2 Form A
3
4.5
5
6
9
12
24
Pick-up
voltage,
V DC (max.)
(initial)
2.1
3.15
3.5
4.2
6.3
8.4
16.8
Drop-out
voltage,
V DC (min.)
(initial)
2.1
3.15
3.5
4.2
6.3
8.4
16.8
Nominal
voltage,
V DC
Set voltage,
V DC (max.)
(initial)
Reset
voltage,
V DC (min.)
(initial)
3
4.5
5
6
9
12
24
2.1
3.15
3.5
4.2
6.3
8.4
16.8
2.1
3.15
3.5
4.2
6.3
8.4
16.8
Part No.
Nominal
voltage,
V DC
Set voltage,
V DC (max.)
(initial)
Reset
voltage,
V DC (min.)
(initial)
DE1a1b-L2-3V
DE1a1b-L2-4.5V
DE1a1b-L2-5V
DE1a1b-L2-6V
DE1a1b-L2-9V
DE1a1b-L2-12V
DE1a1b-L2-24V
3
4.5
5
6
9
12
24
2.1
3.15
3.5
4.2
6.3
8.4
16.8
2.1
3.15
3.5
4.2
6.3
8.4
16.8
Nominal
voltage,
V DC
Set voltage,
V DC (max.)
(initial)
Reset
voltage,
V DC (min.)
(initial)
3
4.5
5
6
9
12
24
2.1
3.15
3.5
4.2
6.3
8.4
16.8
2.1
3.15
3.5
4.2
6.3
8.4
16.8
Part No.
Nominal
voltage,
V DC
DE2a-L-3V
DE2a-L-4.5V
DE2a-L-5V
DE2a-L-6V
DE2a-L-9V
DE2a-L-12V
DE2a-L-24V
Max.
allowable
voltage,
V DC
3.9
5.85
6.5
7.8
11.7
15.6
31.2
Coil resistance,
Ω (±10%)
Nominal operating
current,
mA (±10%)
Nominal operating
power,
mW
90
202
250
360
812
1,440
5,760
33.3
22.3
20
16.7
11.1
8.3
4.2
100
100
100
100
100
100
100
Nominal operating
current,
mA (±10%)
Set coil Reset coil
66.6
66.6
44.5
44.5
40
40
33.3
33.3
22.2
22.2
16.6
16.6
8.3
8.3
Nominal operating
power,
mW
Set coil Reset coil
200
200
200
200
200
200
200
200
200
200
200
200
200
200
Max.
allowable
voltage,
V DC
Nominal operating
current,
mA (±10%)
Set coil Reset coil
66.6
66.6
44.5
44.5
40
40
33.3
33.3
22.2
22.2
16.6
16.6
8.3
8.3
Nominal operating
power,
mW
Set coil Reset coil
200
200
200
200
200
200
200
200
200
200
200
200
200
200
Max.
allowable
voltage,
V DC
Nominal operating
current,
mA (±10%)
Set coil Reset coil
66.6
66.6
44.5
44.5
40
40
33.3
33.3
22.2
22.2
16.6
16.6
8.3
8.3
Nominal operating
power,
mW
Set coil Reset coil
200
200
200
200
200
200
200
200
200
200
200
200
200
200
Max.
allowable
voltage,
V DC
• 2 coil latching type
1 Form A
Part No.
DE1a-L2-3V
DE1a-L2-4.5V
DE1a-L2-5V
DE1a-L2-6V
DE1a-L2-9V
DE1a-L2-12V
DE1a-L2-24V
Coil resistance,
Ω (±10%)
Set coil
45
101
125
180
405
720
2,880
Reset coil
45
101
125
180
405
720
2,880
3.9
5.85
6.5
7.8
11.7
15.6
31.2
1 Form A 1 Form B
Coil resistance,
Ω (±10%)
Set coil
45
101
125
180
405
720
2,880
Reset coil
45
101
125
180
405
720
2,880
3.9
5.85
6.5
7.8
11.7
15.6
31.2
2 Form A
Part No.
DE2a-L2-3V
DE2a-L2-4.5V
DE2a-L2-5V
DE2a-L2-6V
DE2a-L2-9V
DE2a-L2-12V
DE2a-L2-24V
246
Coil resistance,
Ω (±10%)
Set coil
45
101
125
180
405
720
2,880
Reset coil
45
101
125
180
405
720
2,880
3.9
5.85
6.5
7.8
11.7
15.6
31.2
DE
DIMENSIONS
mm inch
PC board pattern (Bottom view)
Single side stable
2 coil latching type
1 coil latching type
Single side stable
1 coil latching type
25.0
.984
12.5
.492
15.24
.600
12.0
.472
7.62
.300
12.70
.500
8-1.2 dia
8-.047 dia
7.62
.300
7.62
.300
3.5
.138
0.8
.032
15.24
.600
7.62
.300
0.8
.032
1.0
.039
0.4
.016
7.62
.300
2.44
.096
Tolerance : ±0.1 ±.004
Schematic (Bottom view)
Single side stable
(1 Form A)
2 coil latching type
25.0
.984
1
3
4
8
6
5
(1 Form A 1 Form B)
(2 Form A)
1
3
4
1
3
4
8
6
5
8
6
5
12.5
.492
12.0
.472
2.54
.100
2.54
.100
7.62
.300
0.5
.020
0.5 dia
.020 dia
0.5
.020
0.5 dia
.020 dia
6-1.2 dia
6-.047 dia
(5,6: dummy terminal)
(Deenergized condition)
(1 Form A)
(1 Form A 1 Form B)
1coil latching type
3.5
.138
0.5 dia
.020 dia
12.70
.500
0.8
.032
7.62
.300
0.8
.032
1.0
.039
0.4
.016
7.62
.300
2.44
.096
1
3
4
1
8
6
5
8
(5,6: dummy terminal)
(2 Form A)
3
4
1
3
4
6
5
8
6
5
(Reset condition)
2coil latching type
Tolerance: ±0.3 ±.012
(1 Form A)
(1 Form A 1 Form B)
1
2
3
4
1
8
7
6
5
8
(5,6: dummy terminal)
(2 Form A)
2
3
4
1
2
3
4
7
6
5
8
7
6
5
(Reset condition)
REFERENCE DATA
1.-(1) Maximum switching power (1 Form A)
2.-(1) Life curve (1 Form A)
100
10
DC resistive load
250 V AC resistive load
30 V DC resistive load
AC resistive load
Life, ×104
AC resistive load
100
50
Contact current, A
100
Contact current, A
1.-(2) Maximum switching power
(1 Form A 1 Form B, 2 Form A)
10
10
DC resistive load
1
1
0.1
0.1
1
10
1
100
1000
Contact voltage, V
2.-(2) Life curve (1 Form A 1 Form B)
10
1000
100
Contact voltage, V
2.-(3) Life curve (2 Form A)
0
1
2
3
4 5 6 7 8
Contact current, A
9
10
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
50
50
250 V AC resistive load
30 V DC resistive load
250 V AC resistive load
Life, ×104
10
50
10
Temperature rise, °C
100
Life, ×104
100
25°C 77°F
70°C 158°F
40
16A
0A
10A
0A
30
20
30 V DC resistive load
10
0
1
2
3
4 5 6 7 8
Contact current, A
9
10
0
1
2
3
4 5 6 7 8
Contact current, A
9
10
0
70
80
90
100
110 120
Coil applied voltage, %V
130
247
DE
3.-(2) Coil temperature rise (1 Form A 1 Form B)
3.-(3) Coil temperature rise (2 Form A)
4.-(1) Operate/release time (1 Form A)
Tested sample: DE1a1b-5V
Quantity: n=6
Ambient temperature: 25°C to 70°C 77°F to 158°F
Tested sample: DE2a-5V
Quantity: n=6
Ambient temperature: 25°C to 70°C 77°F to 158°F
Tested sample: DE1a-5V
Quantity: n=5
40
8A
0A
8A
30
0A
20
10
9
25°C 77°F
70°C 158°F
8A
40
8A
0A
0A
30
20
Operate/release time, ms
50
25°C 77°F
70°C 158°F
Temperature rise, °C
Temperature rise, °C
50
8
Operate time
7
6
Max.
x
Min.
Max.
x
Min.
5
4
3
2
10
Release time
(With diode)
Max.
x
Min.
1
70
80
0
90
100
110 120 130
Coil applied voltage, %V
70
80
90
100
110 120 130
Coil applied voltage, %V
4.-(2) Operate/release time (1 Form A 1 Form B)
4.-(3) Operate/release time (2 Form A)
Tested sample: DE1a1b-5V, Quantity: n=5
Tested sample: DE2a-5V, Quantity: n=5
6
Max.
x
Min.
5
4
3
Max.
x
Min.
Max.
x
Min.
Operate time
2
Release time
70
80
90
100
110
120
130
Max.
x Max.
Min.
x
Min.
5
4
3
–40
–40
Release time
(With diode)
Max.
x
Min.
80
90
100 110
120 130
Coil applied voltage, %V
Tested sample: DE1a1b-5V, Ambient temperature:
–40°C to 80°C –40°F to 176°F, Quantity: n=6
Tested sample: DE2a-5V, Ambient temperature:
–40°C to 80°C –40°F to 176°F, Quantity: n=6
–40
–40
–20
–4
30
Drop-out
20 voltage
0
20 40
60
32
68 104 140
–10
Ambient
temperature,°C °F
–20
–30
Rate of change, V%
5.-(3) Ambient temperature characteristics
(2 Form A)
Rate of change, V%
5.-(2) Ambient temperature characteristics
(1 Form A 1 Form B)
Pick-up
voltage
80
176
110
120
130
–20
–4
30
20
Drop-out
voltage
10
0
Pick-up
voltage
0
20 40
60
80
32
68 104 140 176
–10
Ambient
–20 temperature,°C °F
Release time
70
Coil applied voltage, %V
10
0
100
5.-(1) Ambient temperature characteristics
(1 Form A)
Operate time
0
90
Coil applied voltage, %V
6
1
0
80
7
2
1
70
Tested sample: DE1a-5V, Ambient temperature:
–40°C to 80°C –40°F to 176°F, Quantity: n=6
8
Release time
(With diode)
Operate/release time, ms
Operate/release time, ms
7
Release time
0
Rate of change, V%
0
–40
–40
–20
–4
0
32
–10
–20
–30
30
Drop-out
20 voltage
Pick-up
voltage
10
0
20 40
60
80
68 104 140 176
Ambient
temperature,°C °F
–30
For Cautions for Use, see Relay Technical Information (Page 48 to 76).
248
9/1/2000
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