Features
Small size, light weight.
Low coil consumption.
PC board mounting.
Suitable for household electrical appliance, automation system, electronic equipment, instrument, meter,
telecommunication facilities and remote control facilities.
Ordering Information
NT78 C S 10 DC12V 0.6
1 2 3 4 5 6
1 Part number
NT78
2 Contact arrangement
A:1A
B:1B
C:1C
U:1U
3 Enclosure
S: Sealed type
NIL: Dust cover
4 Contact rating
5A,10A/14VDC
10A/120VAC
5A/250VAC
5 Coil rated Voltage(V)
DC:6,9,12,24
6 Coil power consumption
0.6:0.6W
0.8:0.8W
Contact Data
Contact Arrangement
1A SPSTNO
f
1B SPSTNC
f
1C SPDT(B-M)
f
1U SPSTNODM
Contact Material
Ag CdO Ag SnO
2
Ag SnO
2
I
n
2
O
3
Contact Rating (resistive)
NO:20A/14VDC 10A/120VAC,5A/250VAC
NC:15A/14VDC,10A/120VAC,5A/250VAC
IU:2
y
10A/14VDC
Motor load : 1/2HP 125VAC
Lamp load : TV-5
Max. Switching Power
280W 1250VA
Max. Switching Voltage
42VDC 380VAC Max. Switching Current:20A
Contact Resistance or Voltage drop
50m Item 3.12 of IEC255-7
Electrical
10
5
Item 3.30 of IEC255-7
Operation
life
Mechanical
10
7
Item 3.31 of IEC255-7
Coil Parameter
Coil voltage
VDC
Dash
numbers
Rated
Max.
Coil
resistance
10%
Pickup
voltage
VDC(max)
(80%of rated
voltage )
release voltage
VDC(min)
(5% of rated
voltage)
Coil power
consumption
W
Operate
Time
ms
Release
Time
ms
006-600
6
6.6
60
4.8
0.30
009-600
9
9.9
135
7.2
0.45
012-600
12
13.2
240
9.6
0.60
024-600
24
26.4
960
19.2
1.20
0.6
10
5
006-800
6
6.6
45
4.8
0.30
009-800
9
9.9
102
7.2
0.45
012-800
12
13.2
180
9.6
0.60
024-800
24
26.4
720
19.2
1.20
0.8
10
5
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.
91
N T 7 8
15.7
12.3
14
E160644
on Pending
Patent No. 99206529.1
CH0054067-2000
www.dblectro.com
Operation condition
Insulation Resistance
100M min (at 500VDC)
Item 7 of IEC255-5
Dielectric Strength
Between contacts
Between contact and coil
50Hz 500V
50Hz 500V
Item 6 of IEC255-5
Item 6 of IEC255-5
Shock resistance
100m/s
2
11ms
IEC68-2-27 Test Ea
Vibration resistance
10~55Hz double amplitude 1.5mm
IEC68-2-6 Test Fc
Terminals strength
10N
IEC68-2-21 Test Ua1
Solderability
235
x
2
3
x
0.5s
IEC68-2-20 Test Ta method 1
Ambient Temperature
-40~85
Relative Humidity
85% (at 20
)
IEC68-2-3Test Ca
Mass
6g
Qualification inspection:
Perform the qualification test as specified in the table
of IEC255-19-1 and minimum sample size 24.
Safety approvals
Safety approval
UL
CCEE
Load
NO 20A/14VDC 10A/120VAC
NC 10A/14VDC
1/2HP 125VAC TV-5
5A/250VAC
Dimensions (Unit: mm)
NOTES
1).Dimensions are in millimeter.
2).Inch equivalents are given for general information only.
Reference Data
NT78
Dimensions
Wiring diagram (Bottom views)
mm
>
0.4
0.016
0.5 0.020
1.1 0.043
1.3
0.051
1.4
0.055
1.45
0.057
2.5
0.098
3.5
0.138
5.0 0.197
10.2
0.401
12.3
0.848
14
0.551
15.7 0.618
Mounting (Bottom views)
www.dblectro.com
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