NT73-3
NHG RELAYS
Pickup
voltage
Release voltage
VDC(min)
Coil voltage
VDC
Coil
resistance
10%
Coil power
consumption
W
Operate
Time
ms
Release
Time
ms
NT73-3
Dash
VDC(max)
(75%of rated
voltage )
(10% of rated
voltage)
numbers
R
Rated
Max.
E160644
US
04001010058
C
003-800
005-800
006-800
009-800
012-800
024-800
048-800
3
5
3.9
6.5
11
31
2.25
3.75
4.50
6.75
9.00
18.0
36.0
0.3
0.5
0.6
0.9
1.2
2.4
4.8
VDE
40014769
19.5 16.0 17.1
Patent No. :200430071728.0 200430071727.6
6
7.8
45
0.80
15
10
9
11.7
15.6
31.2
62.4
101
180
720
2880
Features
12
24
48
Superminiature, High power.
Low coil powerconsumption.
PC board mounting.
Operation condition
Suitable for householdappliances, automation system, electronic equipment, instrumentand meter, communication
facilities and remotecontrol facilities.
Insulation Resistance
250M min (at 500VDC)
Item 7 ofIEC255-5
Dielectric Strength
Between contacts
50Hz 1000V
Item6 of IEC255-5
Item6 of IEC255-5
50Hz 2500V SurgeVoltage:4kV
Between contact andcoil
Ordering Information
2
Shock resistance
Vibration resistance
Terminalsstrength
Solderability
100m/s
10~55Hz double amplitude 1.0mm
5N
235
11ms
IEC68-2-27 Test Ea
IEC68-2-6 TestFc
IEC68-2-21Test Ua1
NT73-3
C
S
20 DC12V
0.36 F
1
2
3
4
5
6
7
4 Contact current 5:5A 7:7A 10:10A 12:12A 20:20A
5 Coil rated voltage(V) DC:3,5,6,9,12,18,24,36,48
2
3
0.5s
IEC68-2-20 TestTa method 1
1 Part number NT73-3
Ambient Temperature
Relative Humidity
Mass
-40 ~85
93%(at 40
10g
2 Contact arrangement A:1A B:1B C:1C
3 Enclosure S: Sealed type D: Dust cover
)
IEC68-2-3Test Ca
6 Coil power consumption 0.36:0.36W 0.45:0.45W 0.6:0.6W 0.8:0.8W
7 Resistance heat Class NIL:130
F:155
Qualification inspection:
Contact Data
Perform the qualificationtest as specifiedin the table of IEC255-19-1 andminimum sample size24.
Contact Arrangement
Contact Material
1A SPSTNO
1B SPSTNC
1C SPDT(B-M)
Safety approvals
AgCdO AgSnO2 AgSnO2InO3
12A,20A/125VAC TV-8
Contact Rating (resistive)
5A,10A/250VAC 7A,16A/277VAC
Safety approval
CQC
UL&CUR
VDE
Motor load NO:1HP 250VAC NC:1/2HP 250VAC
3840VA
16A/277VAC 10A/250VAC TV-8
NO:10A/250VAC
NC:7A/250VAC
7A/250VAC
Max. Switching Power
Load
NO:1HP(16AFLA)125VAC,250VAC 20A/125VAC
NC:1/2HP(9.8AFLA)125VAC,250VAC 20A/125VAC
Max. Switching Voltage
250VAC
Max. SwitchingCurrent:20A
Contact Resistance or Voltage drop
100m
Item 3.12 ofIEC255-7
Item 3.30 ofIEC255-7
Item 3.31 ofIEC255-7
5
4
Operational Electrical
10
5
10 1C
Dimensions
mm /inch
7
life
Mechanical
10
19.5max.
0.768max.
16.0max.
Coil Parameter
0.630max.
0.480
0.079
Pickup
voltage
Coil voltage
VDC
release voltage
Coil
Coil power
consumption
W
Operate
Time
ms
Release
Time
ms
VDC(min)
(5%or 10% of rated
voltage)
Dash
VDC(max)
(75%of rated
voltage )
resistance
10%
numbers
Rated
Max.
0.6
0.028
5- 1.3
003-360
005-360
006-360
009-360
012-360
018-360
024-360
036-360
048-360
3
5
3.9
6.5
25
69
2.25
3.75
4.50
6.75
9.00
13.5
18.0
27.0
36.0
0.15
0.25
0.30
0.45
0.6
0.079
0.480
0.051
0.039 0.016
0.083
6
7.8
100
225
400
900
1600
3600
6400
Mounting (Bottom view)
0.472
9
11.7
15.6
23.4
31.2
46.8
62.4
Dimensions
12
18
24
36
48
0.36
15
10
0.9
1.2
1.8
2.4
1A
1B
1C
NOTES 1).Dimensions arein millimeters.
2).Inch equivalents aregiven for generalinformation only.
Wiring diagram (Bottomview)
003-450
005-450
006-450
009-450
012-450
024-450
048-450
3
5
3.9
6.5
20
55.6
80
2.25
3.75
4.50
6.75
9.00
18.0
36.0
0.3
0.5
0.6
0.9
1.2
2.4
4.8
6
7.8
9
11.7
15.6
31.2
62.4
180
320
1280
5120
Reference Data
0.45
15
10
12
24
48
003-600
005-600
006-600
009-600
012-600
024-600
048-600
3
5
3.9
6.5
15
42
2.25
3.75
4.50
6.75
9.00
18.0
36.0
0.3
0.5
0.6
0.9
1.2
2.4
4.8
6
7.8
60
9
11.7
15.6
31.2
62.4
135
240
960
3840
12
24
48
0.60
15
10
CAUTION: 1.The use ofany coil voltageless than therated coil voltagewill compromise theoperation of therelay.
2.Pickup and release voltage are for test purposes only and are not to be used as design criteria.
Ningbo Huaguan Relay Corporation LTD.
DBLECTRO [ DB LECTRO INC ]
