NT72(4459)&NT72-2
NT72(4459)&NT72-2
R
Operation condition
Insulation Resistance
Dielectric Strength
Between contacts
Between contact and coil
Shock resistance
Vibration resistance
Terminals strength
Solderability
Ambient Temperature
Relative Humidity
Mass
500M
min (at 500VDC)
Item 7 of IEC 61810-5
Item 6 of IEC 61810-5
Item 6 of IEC 61810-5
IEC68-2-27 T Ea
est
IEC68-2-6 T Fc
est
IEC68-2-21 Test Ua1
IEC68-2-20 Test Ta method 1
IEC68-2-3Test Ca
50Hz 1000V
50Hz 2500V 4000V(NT72-2)
100m/s
2
11ms
10~55Hz double amplitude 1.5mm
10N
235
2
3 0.5s
-40~85
85% (at 40 )
11g
C
US
E169380
03001003513
22.3 17.3 15 21.4 16.5 15 (NT72-2)
R50142630
Features
Small size, light weight.
Reliable quality.
PC board mounting.
Suitable for household electrical appliances, automation system, electronic equipment, instrument, meter,
telecommunication facilities and remote control facilities.
Safety approvals
Safety approval
UL&CUR
12A/125VAC 28VDC
10A/240VAC 6A/300VAC
1/3HP 120VAC 240VAC
Insulation B-class F-class
T
U
V
10A/250VAC 28VDC
CQC
5A/250VAC
Ordering Information
Load
NT72 C S 10 DC12V 0.36
1
2
3
4
5
6
4 Contact current 3A,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
Dimensions
0.020
0.878max.
0.591max.
0.681max.
0.500
0.200
mm /inch
Contact Data
Contact Arrangement
Contact Material
Contact Rating (resistive)
1A SPSTNO
1B(SPSTNC)
AgCdO AgSnO
2
1C(SPDT(B-M))
5A,10A,12A/125VAC,28VDC; 6A/300VAC,28VDC
3A,5A,10A/250VAC
Motor load : 1/3HP 120VAC 1/3HP 240VAC
336W 2400VA
110VDC 380VAC
Max. Switching Current:15A
50m
Item 4.12 of IEC 61810-7
10
5
Item 4.30 of IEC 61810-7
7
10
Item 4.31 of IEC 61810-7
0.016
0.138
T72
0.300
0.079
0.035 0.020
5- 1.2
0.047
0.200
0.650max.
0.083
0.591max.
0.016
Coil Parameter
0.083
0.035 0.020
0.138
Max. Switching Power
Max. Switching Voltage
Contact Resistance or Voltage drop
Operational
Electrical
life
Mechanical
0.020
0.843max.
NT72-2
Mounting (Bottom view)
0.079
Dash
numbers
Coil voltage
VDC
Rated
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
Coil
resistance
10%
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
Coil power
VDC(min)
consumption
(10% of rated
W
voltage)
Operate
Time
ms
Release
Time
ms
Dimensions
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
25
69
100
225
400
900
1600
20
56
80
180
320
720
1280
3800
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
Wiring diagram
(Bottom view)
NOTES 1).Dimensions are in millimeters.
2).Inch equivalents are given for general information only.
0.36
7
4
Reference Data
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.
83
Ningbo Huaguan Electronics Corporation LTD.
84