NHG RELAYS
NT73-3
R
19.5 16.0 17.1
04001010058
C
US
E160644
40014769
Patent No. :200430071728.0 200430071727.6
VDE
Features
Superminiature, High power.
Low coil power consumption.
PC board mounting.
Suitable for household appliances, automation system, electronic equipment, instrument and meter, communication
facilities and remote control facilities.
Ordering Information
NT73-3
1
C
2
S
3
20 DC12V
4
5
0.36 F
6
7
4 Contact current 5:5A 7:7A 10:10A 12:12A 20:20A
1 Part number NT73-3
2 Contact arrangement A:1A B:1B C:1C 5 Coil rated voltage(V) DC:3,5,6,9,12,18,24,36,48
3 Enclosure S: Sealed type D: Dust cover 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
Contact Data
Contact Arrangement
Contact Material
Contact Rating (resistive)
Max. Switching Power
Max. Switching Voltage
Contact Resistance or Voltage drop
Operation al
life
Electrical
Mechanical
1A SPSTNO
1B SPSTNC
AgCdO AgSnO
2
AgSnO
2
InO
3
1C
SPDT(B-M)
5A,10A/250VAC 7A,16A/277VAC 12A,20A/125VAC TV-8
Motor load NO:1HP 250VAC NC:1/2HP 250VAC
3840VA
250VAC
Max. Switching Current:20A
100m
Item 3.12 of IEC255-7
10
5
5
10
7
10
4
1C
Item 3.30 of IEC255-7
Item 3.31 of IEC255-7
Coil Parameter
Dash
numbers
Coil voltage
VDC
Rated
003-360
005-360
006-360
009-360
012-360
018-360
024-360
036-360
048-360
003-450
005-450
006-450
009-450
012-450
024-450
048-450
003-600
005-600
006-600
009-600
012-600
024-600
048-600
3
5
6
9
12
18
24
36
48
3
5
6
9
12
24
48
3
5
6
9
12
24
48
Max.
3.9
6.5
7.8
11.7
15.6
23.4
31.2
46.8
62.4
3.9
6.5
7.8
11.7
15.6
31.2
62.4
3.9
6.5
7.8
11.7
15.6
31.2
62.4
Coil
resistance
10%
25
69
100
225
400
900
1600
3600
6400
20
55.6
80
180
320
1280
5120
15
42
60
135
240
960
3840
Pickup
voltage
VDC(max)
(75%of rated
voltage )
2.25
3.75
4.50
6.75
9.00
13.5
18.0
27.0
36.0
2.25
3.75
4.50
6.75
9.00
18.0
36.0
2.25
3.75
4.50
6.75
9.00
18.0
36.0
release voltage
VDC(min)
(5%or 10% of rated
voltage)
0.15
0.25
0.30
0.45
0.6
0.9
1.2
1.8
2.4
0.3
0.5
0.6
0.9
1.2
2.4
4.8
0.3
0.5
0.6
0.9
1.2
2.4
4.8
Coil power
consumption
W
Operate
Time
ms
Release
Time
ms
0.36
15
10
0.45
15
10
0.60
15
10
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.
PCB Design
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