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Solid State Relays:

2,181 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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Operating Voltage Max
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Relay Terminals
Switching Mode
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Forward Current If
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On State Resistance Max
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ComparePrice ForQuantity
2311046

RoHS

Each
1+
CHF 45.370
5+
CHF 43.100
10+
CHF 40.830
Min: 1 / Mult: 1
-
-
3A
60VDC
-
DIN Rail
Screw
Zero Crossing
1VDC
-
4VDC
-
32VDC
-
-
-
-
7229082

RoHS

Each
1+
CHF 42.070
5+
CHF 37.310
10+
CHF 36.620
20+
CHF 35.890
Min: 1 / Mult: 1
SPST-NO
-
4A
280VAC
-
PCB
Through Hole
Zero Crossing
24VAC
-
3VDC
-
24VDC
-
-
-
-
1613823

RoHS

Each
1+
CHF 73.970
5+
CHF 72.560
10+
CHF 71.160
Min: 1 / Mult: 1
SPST-NO
-
20A
60VDC
-
PCB
Through Hole
DC Switch
0VDC
-
3VDC
-
10VDC
-
-
-
CMX
1181364

RoHS

Each
1+
CHF 38.510
5+
CHF 34.660
10+
CHF 30.800
20+
CHF 30.180
Min: 1 / Mult: 1
-
-
2A
24VDC
-
Socket
Solder
Random Turn On
5VDC
-
4VDC
-
60VDC
-
-
-
G3R
7229100

RoHS

Each
1+
CHF 42.530
5+
CHF 37.720
10+
CHF 37.010
20+
CHF 36.270
Min: 1 / Mult: 1
-
-
4A
280VAC
-
PCB
Through Hole
Zero Crossing
24VAC
-
3VDC
-
24VDC
-
-
-
-
1704171

RoHS

Each
1+
CHF 25.660
5+
CHF 22.750
10+
CHF 22.330
20+
CHF 21.890
Min: 1 / Mult: 1
SPST
-
5A
265Vrms
-
PCB
Through Hole
Zero Crossing
12Vrms
-
3VDC
-
32VDC
-
-
-
-
3822552
Each
1+
CHF 48.430
5+
CHF 46.480
10+
CHF 45.540
20+
CHF 44.630
Min: 1 / Mult: 1
-
-
4A
275Vrms
-
DIN Rail
Screw
Zero Crossing
12Vrms
-
6VDC
-
30VDC
-
-
-
-
1200255

RoHS

Each
1+
CHF 75.660
5+
CHF 71.880
10+
CHF 68.100
Min: 1 / Mult: 1
SPST-NO
-
50A
660VAC
-
Panel Mount
Screw
Zero Crossing
48VAC
-
4VDC
-
32VDC
-
-
-
H12WD
7229021

RoHS

Each
1+
CHF 100.490
5+
CHF 96.780
10+
CHF 94.840
Min: 1 / Mult: 1
-
-
45A
280VAC
-
Panel Mount
Screw
DC Switch
24VAC
-
3VDC
-
32VDC
-
-
-
DC
1200293

RoHS

Each
1+
CHF 80.860
5+
CHF 76.810
10+
CHF 72.760
Min: 1 / Mult: 1
SPST-NO
-
20A
100VDC
-
Panel Mount
Screw
DC Switch
0VDC
-
3.5VDC
-
32VDC
-
-
-
1-DC
1181258

RoHS

Each
1+
CHF 19.040
5+
CHF 18.480
10+
CHF 18.210
20+
CHF 17.930
50+
CHF 17.570
Min: 1 / Mult: 1
SPST-NO
-
5A
264VAC
-
Panel Mount
Screw
Zero Crossing
19VAC
-
5VDC
-
24VDC
-
-
-
G3NA
1659371

RoHS

Each
1+
CHF 71.930
5+
CHF 69.080
10+
CHF 67.590
Min: 1 / Mult: 1
-
-
32A
510VAC
-
DIN Rail
Screw
Zero Crossing
24VAC
-
3.5VDC
-
32VDC
-
-
-
-
2064640

RoHS

Each
1+
CHF 33.930
5+
CHF 31.800
10+
CHF 31.020
Min: 1 / Mult: 1
SPST-NO
-
3A
33VDC
-
DIN Rail
Screw
Zero Crossing
3VDC
-
-
-
24VDC
-
-
-
-
2251788

RoHS

Each
1+
CHF 31.030
5+
CHF 29.520
10+
CHF 28.010
20+
CHF 27.440
Min: 1 / Mult: 1
-
-
25A
280VAC
-
PCB
Through Hole
Zero Crossing
12Vrms
-
8VDC
-
32VDC
-
-
-
-
Each
1+
CHF 57.790
5+
CHF 55.460
10+
CHF 54.350
Min: 1 / Mult: 1
-
-
12A
280VAC
-
Panel Mount
Screw
Zero Crossing
12Vrms
-
4VDC
-
30VDC
-
-
-
-
1784040

RoHS

Each
1+
CHF 82.400
5+
CHF 74.360
10+
CHF 70.450
Min: 1 / Mult: 1
SPST-NO
-
10A
60VDC
-
DIN Rail
Cage Clamp
-
1VDC
-
20VDC
-
28VDC
-
-
-
-
1973896
Each
1+
CHF 111.690
Min: 1 / Mult: 1
SPST-NO
-
20A
30VDC
-
DIN Rail
Screw
Zero Crossing
9.6VDC
-
12VDC
-
24VDC
-
-
-
-
1784044

RoHS

Each
1+
CHF 57.480
5+
CHF 54.610
10+
CHF 51.720
Min: 1 / Mult: 1
SPST-NC
-
5A
280VAC
-
DIN Rail
Cage Clamp
Zero Crossing
12Vrms
-
4VDC
-
28VDC
-
-
-
-
7229070

RoHS

Each
1+
CHF 39.320
5+
CHF 34.870
10+
CHF 34.230
20+
CHF 33.540
Min: 1 / Mult: 1
-
-
2A
280VAC
-
PCB
Through Hole
Zero Crossing
24VAC
-
3VDC
-
24VDC
-
-
-
-
1305662

RoHS

Each
1+
CHF 43.010
5+
CHF 41.280
10+
CHF 40.430
20+
CHF 39.630
Min: 1 / Mult: 1
-
-
35A
510VAC
-
Panel Mount
Screw
Zero Crossing
24VAC
-
3.5VDC
-
32VDC
-
-
-
-
3822590
Each
1+
CHF 48.650
5+
CHF 46.690
10+
CHF 45.760
20+
CHF 44.850
Min: 1 / Mult: 1
-
-
3A
60VDC
-
DIN Rail
Screw
-
2VDC
-
5VDC
-
30VDC
-
-
-
-
1659375

RoHS

Each
1+
CHF 54.450
5+
CHF 51.510
10+
CHF 48.870
20+
CHF 46.490
Min: 1 / Mult: 1
-
-
35A
600Vrms
-
Panel Mount
Screw
Zero Crossing
24VAC
-
3.5VDC
-
32VDC
-
-
-
SU
1653772

RoHS

Each
1+
CHF 74.250
5+
CHF 71.510
10+
CHF 70.080
Min: 1 / Mult: 1
-
-
25A
420VAC
-
Panel Mount
Screw
DC Switch
24VAC
-
3VDC
-
32VDC
-
-
-
SSR
2064618

RoHS

Each
1+
CHF 40.180
5+
CHF 37.660
10+
CHF 36.740
Min: 1 / Mult: 1
SPST-NO
-
3A
33VDC
-
DIN Rail
Spring Clamp
-
3VDC
-
-
-
5VDC
-
-
-
-
1214569
Each
1+
CHF 23.030
5+
CHF 21.900
10+
CHF 20.770
20+
CHF 20.360
Min: 1 / Mult: 1
-
-
3A
60VDC
-
PCB
Through Hole
-
2VDC
-
3VDC
-
30VDC
-
-
-
-
26-50 of 2181 items
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