JQC-4 (4120)
4120 (JQC-4)
Dust Covered
26.8 21.5 22.3
Open Type
24 19 20
Operation condition
Insulation Resistance
Dielectric Strength
Between contacts
Between contact and coil
Shock resistance
Vibration resistance
Terminals strength
Solderability
Ambient Temperature
Relative Humidity
Mass
100M
min (at 500VDC)
Item 7 of IEC 60255-5
Item 6 of IEC 60255-5
Item 6 of IEC 60255-5
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 500V
50Hz 750V
200m/s
2
11ms
10~40Hz double amplitude 1.27mm
10N
235
2
3 0.5s
-40~125
85% (at 40 )
19g (Open type) 21g
Features
Small size, heavy contact load, capable of standing strong current of 45A at 14VDC.
PC board mounting.
Suitable for automatic control facilities and automobile application etc.
Both European 11mm pole distance and American 8mm pole distance available.
Dimensions
Ordering Information
1
2
3
4
5
6
4 Contact current 15:15A 20:20A 30:30A 45:45A
5 Coil rated voltage(V) DC:6,9,12,18,24
6 Coil power consumption 1.6:1.6W 1.9:1.9W
20M
QX
0.787max.
24M
AX
0.945max.
mm /inch
14.8
0.583
9.09
0.358
5.35
0.210
15.9
0.583
10.1
0.398
5.9
0.232
4120
C
S 30 DC12V
1.6
3.78
0.149
2.28
0.090
3.3
0.130
2- 2.1
0.083
19max.
0.748max.
2- 1.4
0.055
4
0.157
12.2
0.48 0
5- 2.5
0.098
12.1
0.476
1 Part number 4120 JQC-4
2 Contact arrangement A:1A B:1B C:1C
3 Enclosure S: Sealed type Z: Dust cover
O: Open type
0.173
4.4
11.89
0.468
2- 1.4
0.055
2.2
0.08 7
13.2
0.52 0
3- 2
0.079
Contact Data
Contact Arrangement
Contact Material
Contact Rating (resistive)
Max. Switching Power
Max. Switching Voltage
Contact Resistance or Voltage drop
Operation
Electrical
life
Mechanical
1A SPSTNO
1B SPSTNC
1C SPDT(B-M)
AgNi AgSnO
2
AgCdO
1A: 45A/14VDC; 1B: 30A/14VDC;
1C:20A/120VAC, 15A/28VDC, NO 45A/14VDC ,NC 30A/14VDC
560W 2400VA
75VDC 380VAC
Max. Switching Current:45A
30m
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
26.8max.
1.055max.
22.3max.
0.878max.
21.5max.
0.846max.
3.5 0.4
0.138 0.016
USA
European
Mounting (Bottom view)
2-1 0.4
0.039 0.016
3.5
0.138
2-0.8 1
0.031 0.039
2.7
0.173
3-1 1.3
0.039 0.051
Coil Parameter
Dash
numbers
Coil voltage
VDC
Rated
006-1900
009-1900
012-1600
018-1600
024-1600
6
9
12
18
24
Max.
7.8
11.7
15.6
23.4
31.2
19
42.6
90
202.5
360
Coil
resistance
10%
Pickup
voltage
VDC(max)
(70%of rated
voltage )
4.20
6.30
8.40
12.6
16.8
Release voltage
VDC(min)
(10% of rated
voltage)
Coil power
consumption
W
Operate
Time
ms
Release
Time
ms
Dimensions
Wiring diagram(Bottom view)
0.6
0.9
1.2
1.8
2.4
1.9
5
1.6
3
NOTES 1).Dimensions are in millimeters.
2).Inch equivalents are given for general information only.
Reference Data
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.
Time(msec)
10
8
6
4
2
121
2.2
0.087
Ningbo Huaguan Electronics Corporation LTD.
122
Test/Measurement
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