N T 7 3 -3
P ickup
volta ge
VDC(ma x)
(75%of ra te d
volta ge )
Re le a s e volta ge
VDC(min)
(10% of ra te d
volta ge )
Coil volta ge
VDC
Coil
re s is ta nce
10%
Coil powe r
cons umption
W
Ope ra te
Time
ms
Re le a s e
Time
ms
N T 7 3 -3
08001023923
Da s h
numbe rs
Ra te d
Ma x.
R
VDE
E174722
40014769
C
US
003-800
005-800
006-800
009-800
012-800
024-800
048-800
3
5
3.9
6.5
11
31
45
101
180
720
2880
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
19.5 16.0 17.1
6
7.8
0.80
15
10
9
11.7
15.6
31.2
62.4
Features
12
24
48
S upe rminia ture , High powe r.
Low coil powe r cons umption.
P C boa rd mounting.
Op e ra tio n c o n d itio n
Ins ula tion Re s is ta nce
Die le ctric S tre ngth
S uita ble for hous e hold a pplia nce s , a utoma tion s ys te m, e le ctronic e quipme nt, ins trume nt a nd me te r, communica tion
fa cilitie s a nd re mote control fa cilitie s .
250M min (a t 500VDC)
Ite m 7 ofIEC 61810-5
Be twe e n conta cts
Be twe e n conta ct a nd coil
50Hz 1000V
50Hz 2500V S urge Volta ge :4kV
Ite m 6 of IEC 61810-5
Ite m 6 of IEC 61810-5
Ordering Information
S hock re s is ta nce
Vibra tion re s is ta nce
Te rmina ls s tre ngth
S olde ra bility
Ambie nt Te mpe ra ture
Re la tive Humidity
Ma s s
100m/s2
11ms
IEC68-2-27 Te s t Ea
IEC68-2-6 Te s t Fc
IEC68-2-21 Te s t Ua 1
NT73-3
C
S 20 DC12V
0.36 F
10~55Hz double a mplitude 1.0mm
5N
235
-40 ~85
93% (a t 40
10g
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
6 Coil power consumption 0.36:0.36W 0.45:0.45W 0.6:0.6W 0.8:0.8W
2
3
0.5s
IEC68-2-20 Te s t Ta me thod 1
1 P a rt numbe r NT73-3
2 Conta ct a rra nge me nt A:1A B:1B C:1C
3 Enclos ure S : S e a le d type D: Dus t cove r
)
IEC68-2-3Te s t Ca
7 Resistance heat Class NIL:130
F:155
Co n ta c t Da ta
Safety approvals
Conta ct Arra nge me nt
1A S P S TNO
AgCdO AgS nO2
1B S P S TNC
1C S P DT(B-M)
Safety approval
CQC
UL&CUR
VDE
Conta ct Ma te ria l
16A/277VAC 10A/250VAC TV-8
NO:1HP (16AFLA)125VAC,250VAC 20A/125VAC
NC:1/2HP (9.8AFLA)125VAC,250VAC 20A/125VAC
12A,20A/125VAC TV-8
Conta ct Ra ting (re s is tive )
5A,10A/250VAC 7A,16A/277VAC
NO:10A/250VAC
NC:7A/250VAC
10A/250VAC
Load
Motor loa d NO:1HP 250VAC NC:1/2HP 250VAC
3840VA
Ma x. S witching P owe r
Ma x. S witching Volta ge
Conta ct Re s is ta nce or Volta ge drop
250VAC
100m
Ma x. S witching Curre nt:20A
Ite m 4.12 ofIEC 61810-7
Ite m 4.30 ofIEC 61810-7
Ite m 4.31 ofIEC 61810-7
105
5
104 1C
Dim e n s io n s
mm /inch
Ope ra tiona l Ele ctrica l
life
Me cha nica l
107
19.5max.
0.768max.
16.0ma x.
0.630max.
0.480
0.079
Co il P a ra m e te r
P ickup
volta ge
VDC(ma x)
(75%of ra te d
volta ge )
Coil volta ge
VDC
re le a s e volta ge
Coil
re s is ta nce
10%
Coil powe r
cons umption
W
Ope ra te
Time
ms
Re le a s e
Time
ms
VDC(min)
(5%or 10% of ra te d
volta ge )
Da s h
numbe rs
Ra te d
Ma x.
0.6
0.028
5- 1.3
0.051
0.079
0.083
0.480
003-360
005-360
006-360
009-360
012-360
018-360
024-360
036-360
048-360
3
5
6
3.9
6.5
7.8
11.7
15.6
23.4
31.2
46.8
62.4
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
0.9
1.2
1.8
2.4
0.039 0.016
Mounting (Bottom vie w)
0.472
100
225
400
900
1600
3600
6400
Dime ns ions
9
12
18
24
36
48
0.36
15
10
1A
1B
1C
NOTES 1).Dime ns ions a re in millime te rs .
Wiring dia gra m (Bottom vie w)
003-450
005-450
006-450
009-450
012-450
024-450
048-450
3
5
6
3.9
6.5
7.8
11.7
15.6
31.2
62.4
20
55.6
80
180
320
1280
5120
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
2).Inch e quiva le nts a re give n for ge ne ra linforma tion only.
9
Re fe re n c e Da ta
0.45
15
10
12
24
48
003-600
005-600
006-600
009-600
012-600
024-600
048-600
3
5
6
3.9
6.5
7.8
11.7
15.6
31.2
62.4
15
42
60
135
240
960
3840
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
9
12
24
48
0.60
15
10
CAUTION: 1.The us e ofa ny coil volta ge le s s tha n the ra te d coil volta ge will compromis e the ope ra tion of the re la y.
2.P ickup a nd re le a s e volta ge a re for te s t purpos e s only a nd a re not to be us e d a s de s ign crite ria .
Ningbo Hua gua n Ele ctronics Corpora tion LTD.
89
90
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