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
1
C S 10
2
3
4
DC12V 0.36
5
6
4 Contact rating：5A,10A,12A,15A/125VAC 28VDC；6A/277VAC
20A/125VAC 16VDC10A/250VAC（0.8W）
ü
V
:
6A/250VAC 28VDC
；T
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
1 Part number：NT73-2
2 Contact arrangement：A:1A；B:1B；C:1C
3 Enclosure：S: Sealed type；NIL: Dust cover
Contact Data
Contact Arrangement
Contact Material
Contact Rating (resistive)
1A SPSTNO
f1B
SPSTNC
f1C
SPDT(B-M)
Ag CdO
Ag SnO
2
5A,6A,10A,12A,15A/125VAC,28VDC;20A/125VAC,16VDC;
6A/277VAC;10A/250VAC
T
ü
V
:
6A/250VAC, 28VDC (15A 0.4W ; 20A 0.8W coil only )
Motor load: 1/3HP 125VAC ; 1/3HP 277VAC
420W 2500VA
110VDC 380VAC
Max. Switching Current:20A
100m
Item 3.12 of IEC255-7
5
10
Item 3.30 of IEC255-7
7
10
Item 3.31 of IEC255-7
Max. Switching Power
Max. Switching Voltage
Contact Resistance or Voltage drop
Operation
Electrical
life
Mechanical
Coil Parameter
Pickup
release voltage Coil power
Operate
Release
voltage
Coil resistance
Dash
VDC(min)
consumpti
VDC(max)
Time
Time
±10%
numbers
(10% of rated
on
(75%of rated
ms
ms
voltage)
W
Rated
Max.
voltage )
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
10
5
009-360
9
11.7
225
6.75
0.9
0.36
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
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
10
5
009-450
9
11.7
180
6.75
0.9
0.45
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
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
10
5
009-800
9
11.7
101
6.75
0.9
0.80
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
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.
Coil voltage
VDC
81
Solderability
Ambient Temperature
Relative Humidity
Mass
235x2 3x0.5s
-55~85
93% (at 40)
9.5g
IEC68-2-20 Test Ta method 1
IEC68-2-3Test Ca
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
20A/125VAC 16VDC
10A/250VAC 6A/277VAC
1/3HP 125VAC/277VAC
Insulation B-class F-class
T
ü
V
6A/250VAC 28VDC
CCEE
Load
7A/250VAC
Dimensions
(Unit: mm)
mm
0.3
0.4
0.5
1.0
1.3
1.4
1.0
3.9
6
12
12.2
15.3
16.5
19.5
>àçÇá
Dimensions
Mounting (Bottom views)
Wiring diagram(Bottom views)
NOTES
1).Dimensions are in millimeter.
2).Inch equivalents are given for general information only.
0.012
0.016
0.020
0.039
0.051
0.055
0.079
0.153
0.236
0.472
0.480
0.602
0.650
0.768
Reference Data
京公网安备 11010802033920号
Copyright © 2005-2026 EEWORLD.com.cn, Inc. All rights reserved
电子工程世界
