21.4×16.5×15 (NT72-2)
Features
Small size, light weight.
Low price reliable quality.
PC board mounting.
Suitable for household electrical appliance, automation system, electronic equipment, instrument, meter,
telecommunication facilities and remote control facilities.
Ordering Information
NT72 C S 10
1
2
3
4
DC12V 0.36
5
6
4 Contact Current：5A,6A,10A,12A
5 Coil rated Voltage(V)：DC:3,5,6,9,12,18,24,48
6 Coil power consumption：
0.36:0.36W；
0.45:0.45W；
0.61:0.61W
1 Part number：NT72（4459）
、NT72-2
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
UL:5A,10A,12A/125VAC,28VDC; 10A/240VAC;6A/250VAC,28VDC
T
ü
V
: 6A/250VAC, 28VDC
Motor load : 1/3HP 120VAC；1/3HP 240VAC
336W 2400VA
110VDC 380VAC
Max. Switching Current:15A
50m
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
Coil voltage
VDC
Pickup
voltage
VDC(max)
(75%of rated
voltage )
2.25
3.75
4.50
6.75
9.00
13.5
18.0
2.25
3.75
4.50
6.75
9.00
13.5
18.0
36.0
release voltage
VDC(min)
(10% of rated
voltage)
0.3
0.5
0.6
0.9
1.2
1.8
2.4
0.3
0.5
0.6
0.9
1.2
1.8
2.4
4.8
Dash
Numbers
Coil
resistance
±10%
Coil power
consumption
W
Operate
Time
ms
Release
Time
ms
Rated
003-360
005-360
006-360
009-360
012-360
018-360
024-360
003-450
005-450
006-450
009-450
012-450
018-450
024-450
048-610
3
5
6
9
12
18
24
3
5
6
9
12
18
24
48
Max.
3.9
6.5
7.8
11.7
15.6
23.4
31.2
3.9
6.5
7.8
11.7
15.6
23.4
31.2
62.4
25
69
100
225
400
900
1600
20
56
80
180
320
720
1280
3800
0.36
7
4
0.45
7
4
0.61
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.
77
Ambient Temperature
Relative Humidity
Mass
-40~85
85% (at 40)
11g
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
Load
UL&CUR
12A/125VAC 28VDC
6A/250VAC
1/3HP 120VAC 240VAC
Insulation B-class F-class
T
ü
V
6A/250VAC 28VDC
10A/250VAC 28VDC
CCEE
5A/250VAC
Dimensions (Unit: mm)
mm
NT72
0.4
0.5
0.6
0.9
1.2
2.0
2.1000
3.5
5.08
7.62
12.7
15
16.5
17.3
21.4
22.3
>àçÇá
NT72-2
Mounting (Bottom views)
Dimensions
Wiring diagram
(Bottom views)
NOTES
1).Dimensions are in millimeter.
2).Inch equivalents are given for general information only.
0.016
0.020
0.024
0.035
0.047
0.079
0.083
0.138
0.200
0.300
0.500
0.591
0.650
0.681
0.843
0.878
Reference Data
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