Features
Small size, light weight, heavy reverse power.
Low coil power consumption.
PC board mounting.
Suitable for automation control, telecommunication equipment, household electrical appliance and machinery electrical
facilities.
Ordering Information
NT73-2 C S 10 DC12V 0.36
1 2 3 4 5 6
1 Part number
NT73-2
2 Contact arrangement
A:1A
B:1B
C:1C
3 Enclosure
S: Sealed type
NIL: Dust cover
4 Contact rating
5A,10A,12A,15A/125VAC 28VDC
6A/277VAC
20A/125VAC 16VDC10A/250VAC
0.8W
T
V
:
6A/250VAC 28VDC
5 Coil rated Voltage(V)
DC:3,5,6,9,12,24,48
6 Coil power consumption
0.36:0.36W
0.45:0.45W
0.8:0.8W
Contact Data
Contact Arrangement
1A SPSTNO
f
1B SPSTNC
f
1C SPDT(B-M)
Contact Material
Ag CdO Ag SnO
2
Contact Rating (resistive)
5A,6A,10A,12A,15A/125VAC,28VDC;20A/125VAC,16VDC;
6A/277VAC;10A/250VAC
T
V
:
6A/250VAC, 28VDC (15A 0.4W ; 20A 0.8W coil only )
Motor load: 1/3HP 125VAC ; 1/3HP 277VAC
Max. Switching Power
420W 2500VA
Max. Switching Voltage
110VDC 380VAC Max. Switching Current:20A
Contact Resistance or Voltage drop
100m Item 3.12 of IEC255-7
Electrical
10
5
Item 3.30 of IEC255-7
Operation
life
Mechanical
10
7
Item 3.31 of IEC255-7
Coil Parameter
Coil voltage
VDC
Dash
numbers
Rated
Max.
Coil resistance
10%
Pickup
voltage
VDC(max)
(75%of rated
voltage )
release voltage
VDC(min)
(10% of rated
voltage)
Coil power
consumpti
on
W
Operate
Time
ms
Release
Time
ms
003-360
3
3.9
25
2.25
0.3
005-360
5
6.5
70
3.75
0.5
006-360
6
7.8
100
4.50
0.6
009-360
9
11.7
225
6.75
0.9
012-360
12
15.6
400
9.00
1.2
024-360
24
31.2
1600
18.0
2.4
048-360
48
62.4
6400
36.0
4.8
0.36
10
5
003-450
3
3.9
20
2.25
0.3
005-450
5
6.5
55.6
3.75
0.5
006-450
6
7.8
80
4.50
0.6
009-450
9
11.7
180
6.75
0.9
012-450
12
15.6
320
9.00
1.2
024-450
24
31.2
1280
18.0
2.4
048-450
48
62.4
5120
36.0
4.8
0.45
10
5
003-800
3
3.9
11
2.25
0.3
005-800
5
6.5
31
3.75
0.5
006-800
6
7.8
45
4.50
0.6
009-800
9
11.7
101
6.75
0.9
012-800
12
15.6
180
9.00
1.2
024-800
24
31.2
720
18.0
2.4
048-800
48
62.4
2880
36.0
4.8
0.80
10
5
CAUTION
: 1.The use of any coil voltage less than the rated coil voltage will compromise the operation of the relay.
2.Pickup and release voltage are for test purposes only and are not to be used as design criteria.
81
N T 7 3 - 2
19.5
15.3
15.3
E158859
LR814321
R9858271
Patent No.: 95 2 18643.8
CH0050406--2000
www.dblectro.com
Operation condition
Insulation Resistance
250M min (at 500VDC)
Item 7 of IEC255-5
Dielectric Strength
Between contacts
Between contact and coil
50Hz 750V
50Hz 1500V
Item 6 of IEC255-5
Item 6 of IEC255-5
Shock resistance
100m/s
2
11ms
IEC68-2-27 Test Ea
Vibration resistance
10~55Hz double amplitude 1.5mm
IEC68-2-6 Test Fc
Terminals strength
5N
IEC68-2-21 Test Ua1
Solderability
235
x
2
3
x
0.5s
IEC68-2-20 Test Ta method 1
Ambient Temperature
-55~85
Relative Humidity
93% (at 40
)
IEC68-2-3Test Ca
Mass
9.5g
Qualification inspection:
Perform the qualification test as specified in the table
of IEC255-19-1 and minimum sample size 24.
Safety approvals
Safety approval
UL
T
V
CCEE
Load
20A/125VAC 16VDC
10A/250VAC 6A/277VAC
1/3HP 125VAC/277VAC
Insulation B-class F-class
6A/250VAC 28VDC
7A/250VAC
Dimensions
(Unit: mm)
Reference Data
NOTES
1).Dimensions are in millimeter.
2).Inch equivalents are given for general information only.
NT73-2
Wiring diagram(Bottom views)
mm
>
0.3
0.012
0.4
0.016
0.5
0.020
1.0
0.039
1.3
0.051
1.4
0.055
1.0
0.079
3.9
0.153
6
0.236
12 0.472
12.2
0.480
15.3 0.602
16.5
0.650
19.5 0.768
Mounting (Bottom views)
Dimensions
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