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4A Solid State Relays:

25 Products Found

Farnell offers solid-state relays (SSRs) that provide fast and reliable switching without the mechanical wear associated with traditional relays. These relays use semiconductor components such as thyristors or triacs for switching, which ensures long operational life and silent operation.

Solid-state relays are suitable for environments where silent, fast, and precise switching is required, with minimal power loss and no moving parts. Farnell’s solid-state relays are ideal for industrial automation, heating control, and high-speed switching.

Applications:

  • Industrial Automation: Controlling motors, heaters, and lights in automated systems.
  • HVAC Systems: Temperature control with precise on/off cycles.
  • Renewable Energy: Switching control for photovoltaic systems and inverters.
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1 Filter(s) Selected
ComparePrice ForQuantity
1200202

RoHS

Each
1+
US$38.136
5+
US$36.301
10+
US$34.451
20+
US$33.768
Total:US$38.14
Min: 1 / Mult: 1
SPST-NO
4A
280Vrms
PCB
Through Hole
Zero Crossing
24Vrms
3VDC
32VDC
MP Series
7229082

RoHS

Each
1+
US$49.044
5+
US$43.496
10+
US$42.692
20+
US$41.835
Total:US$49.04
Min: 1 / Mult: 1
SPST-NO
4A
280Vrms
PCB
Through Hole
Zero Crossing
24Vrms
3VDC
24VDC
-
7229100

RoHS

Each
1+
US$49.580
5+
US$43.965
10+
US$43.148
20+
US$42.290
Total:US$49.58
Min: 1 / Mult: 1
-
4A
280Vrms
PCB
Through Hole
Zero Crossing
24Vrms
3VDC
24VDC
-
3822552
Each
1+
US$59.375
5+
US$56.990
10+
US$55.838
20+
US$54.726
Total:US$59.38
Min: 1 / Mult: 1
-
4A
275Vrms
DIN Rail
Screw
Zero Crossing
12Vrms
6VDC
30VDC
-
2251794

RoHS

Each
1+
US$43.041
5+
US$40.709
10+
US$38.619
20+
US$36.743
Total:US$43.04
Min: 1 / Mult: 1
-
4A
600Vrms
PCB
Through Hole
Zero Crossing
24Vrms
5VDC
30VDC
SKA Series
1214568
Each
1+
US$34.210
5+
US$32.575
10+
US$30.927
20+
US$30.311
Total:US$34.21
Min: 1 / Mult: 1
-
4A
275Vrms
PCB
Through Hole
Zero Crossing
12Vrms
4VDC
30VDC
SKA Series
1214571

RoHS

Each
1+
US$24.736
5+
US$23.705
10+
US$23.262
20+
US$22.793
50+
US$22.338
Total:US$24.74
Min: 1 / Mult: 1
-
4A
-
PCB
Through Hole
-
-
18VDC
32VDC
SLD0X205 Series
2841425

RoHS

Each
1+
US$38.686
25+
US$36.783
50+
US$35.162
100+
US$33.379
500+
US$31.812
More Pricing...
Total:US$38.69
Min: 1 / Mult: 1
-
4A
28VDC
DIN Rail
Screw
-
3VDC
9.6VDC
14.4VDC
-
4036932

RoHS

Each
1+
US$33.071
5+
US$29.333
Total:US$33.07
Min: 1 / Mult: 1
-
4A
600Vrms
Through Hole
PC Pin
Zero Crossing
24Vrms
4VDC
10VAC
GN Board Series
4036930

RoHS

Each
1+
US$33.071
5+
US$29.333
10+
US$28.797
Total:US$33.07
Min: 1 / Mult: 1
-
4A
460VAC
Through Hole
PC Pin
Zero Crossing
12Vrms
4VDC
30VDC
GN Board Series
4036936

RoHS

Each
1+
US$71.409
5+
US$61.881
10+
US$60.648
Total:US$71.41
Min: 1 / Mult: 1
-
4A
460VAC
DIN Rail
Screw
Zero Crossing
12Vrms
8.5VAC
30VDC
GNRD Mini Series
4036929

RoHS

Each
1+
US$40.374
5+
US$35.805
10+
US$35.135
20+
US$34.438
Total:US$40.37
Min: 1 / Mult: 1
-
4A
275Vrms
Through Hole
PC Pin
Zero Crossing
12Vrms
4VDC
30VDC
GN Board Series
4036934

RoHS

Each
1+
US$71.409
5+
US$61.881
10+
US$60.648
Total:US$71.41
Min: 1 / Mult: 1
-
4A
60VDC
DIN Rail
Screw
DC Switch
2VDC
90VAC
240VAC
GNRD Mini Series
4036933

RoHS

Each
1+
US$69.935
5+
US$60.608
10+
US$59.402
Total:US$69.94
Min: 1 / Mult: 1
-
4A
60VDC
DIN Rail
Screw
DC Switch
2VDC
5VDC
30VDC
GNRD Mini Series
4559650

RoHS

Each
1+
US$97.512
5+
US$93.894
10+
US$92.018
Total:US$97.51
Min: 1 / Mult: 1
SPST-NO
4A
60VDC
DIN Rail
Box Clamp
DC Switch
1VDC
6.25VDC
34VDC
RP1D Series
4559649

RoHS

Pack of 10
1+
US$52.568
5+
US$46.619
10+
US$45.761
20+
US$44.850
Total:US$52.57
Min: 1 / Mult: 1
SPST-NO
4A
60VDC
Through Hole
PC Pin
DC Switch
1VDC
4.25VDC
32VDC
RP1D Series
4732049

RoHS

Each
1+
US$35.376
5+
US$33.513
10+
US$32.294
20+
US$31.651
Total:US$35.38
Min: 1 / Mult: 1
-
4A
140VAC
Through Hole
PC Pin
Zero Crossing
12Vrms
3VDC
24VDC
-
4718701

RoHS

Each
1+
US$36.743
5+
US$32.589
10+
US$31.986
20+
US$31.343
Total:US$36.74
Min: 1 / Mult: 1
-
4A
28VDC
Through Hole
PC Pin
Zero Crossing
3VDC
-
24VDC
HR201D Series
2251793
Each
1+
US$39.932
5+
US$37.976
10+
US$36.006
20+
US$35.282
Total:US$39.93
Min: 1 / Mult: 1
-
4A
460VAC
PCB
Through Hole
Zero Crossing
12Vrms
4VDC
30VDC
SKA Series
1426698

RoHS

Each
1+
US$43.041
5+
US$38.163
10+
US$37.453
20+
US$36.703
Total:US$43.04
Min: 1 / Mult: 1
-
4A
140VAC
PCB
Through Hole
Zero Crossing
12Vrms
3VDC
24VDC
-
3257974

RoHS

Each
10+
US$22.566
Total:US$225.66
Min: 10 / Mult: 10
-
4A
60VDC
Through Hole
Solder
-
1VDC
4.25VDC
32VDC
OV Series
2762275

RoHS

Date/Lot Code

Each
1+
US$14.110
5+
US$13.829
Total:US$14.11
Min: 1 / Mult: 1
SPST-NO
4A
20V
Surface Mount
Solder
-
0V
-
-
HEXFET PVN012A Series
4036935

RoHS

Each
1+
US$57.901
5+
US$55.757
10+
US$54.645
Total:US$57.90
Min: 1 / Mult: 1
-
4A
275Vrms
DIN Rail
Screw
Zero Crossing
12Vrms
6VDC
30VDC
GNRD Mini Series
4036926

RoHS

Each
1+
US$47.101
5+
US$41.768
10+
US$40.991
20+
US$40.173
Total:US$47.10
Min: 1 / Mult: 1
-
4A
60VDC
Through Hole
PC Pin
DC Switch
2VDC
4VDC
30VDC
GND Board Series
1784058

RoHS

Each
1+
US$59.952
5+
US$56.950
10+
US$49.178
Total:US$59.95
Min: 1 / Mult: 1
SPST-NO
4A
280Vrms
DIN Rail
Cage Clamp
Zero Crossing
24Vrms
3VDC
32VDC
DRA1 MP Series
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