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40A Solid State Relays:

92 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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Load Type
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Load Voltage Max
Relay Mounting
Relay Terminals
MOSFET Relay Package Style
Switching Mode
Operating Voltage Min
On State Resistance Max
Control Voltage Min
Isolation Voltage
Control Voltage Max
Off State Leakage Current Max
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ComparePrice ForQuantity
1200243

RoHS

SENSATA/CRYDOM
Each
1+
£54.230
5+
£51.520
10+
£48.800
Total:£54.23
Min: 1 / Mult: 1
SPST-NO
-
40A
-
280VAC
-
Panel Mount
Screw
-
Zero Crossing
24VAC
-
3VDC
-
32VDC
-
1 Series
1181261

RoHS

Each
1+
£50.470
5+
£49.460
10+
£48.450
Total:£50.47
Min: 1 / Mult: 1
SPST-NO
-
40A
-
264VAC
-
Panel Mount
Screw
-
Zero Crossing
19VAC
-
5VDC
-
24VDC
-
G3NA Series
5540513

RoHS

Each
1+
£170.420
Total:£170.42
Min: 1 / Mult: 1
3PST-NO
-
40A
-
660VAC
-
Panel Mount
Screw
-
Zero Crossing
42VAC
-
4VDC
-
32VDC
-
RZ3A Series
2780690

RoHS

Each
1+
£56.380
5+
£55.250
10+
£54.120
Total:£56.38
Min: 1 / Mult: 1
SPST-NO
-
40A
-
150VDC
-
Panel Mount
Screw
-
-
1VDC
-
3.5VDC
-
32VDC
-
Harmony SSP1 Series
1973894
Each
1+
£113.220
5+
£110.960
10+
£108.690
Total:£113.22
Min: 1 / Mult: 1
-
-
40A
-
30VDC
-
DIN Rail
Screw
-
Zero Crossing
4VDC
-
24VAC
-
240VAC
-
G3PA Series
1200199

RoHS

Each
1+
£102.480
Total:£102.48
Min: 1 / Mult: 1
DPST-NO
-
40A
-
280VAC
-
Panel Mount
Quick Connect
-
Zero Crossing
24VAC
-
4VDC
-
15VDC
-
1 Series
1200230

RoHS

Each
1+
£46.270
5+
£43.950
10+
£41.630
Total:£46.27
Min: 1 / Mult: 1
SPST-NO
-
40A
-
280VAC
-
Panel Mount
Screw
-
Zero Crossing
24VAC
-
90VAC
-
280VAC
-
1 Series
2770581

RoHS

Each
1+
£38.640
5+
£37.040
10+
£35.880
20+
£35.040
Total:£38.64
Min: 1 / Mult: 1
-
-
40A
-
100VDC
-
Panel Mount
Screw
-
-
0V
-
4VDC
-
32VDC
-
-
1936420

RoHS

Each
1+
£141.540
Total:£141.54
Min: 1 / Mult: 1
SPST-NO
-
40A
-
240Vrms
-
Panel Mount
Screw
-
Proportional Output
100Vrms
-
2VDC
-
10VDC
-
PCV Series
2784897

RoHS

Each
1+
£85.570
5+
£70.430
10+
£58.430
Total:£85.57
Min: 1 / Mult: 1
SPST-NO
-
40A
-
530VAC
-
Panel Mount
Screw
-
Zero Crossing
48VAC
-
3VDC
-
32VDC
-
HD48 Series
3996114
Each
1+
£161.700
Total:£161.70
Min: 1 / Mult: 1
SPST-NO
-
40A
-
480VAC
-
Panel Mount
Screw
-
Zero Crossing
48VAC
-
90VAC
-
280VAC
-
SSR3 Series
2841501

RoHS

Each
1+
£77.760
25+
£73.890
50+
£70.540
100+
£66.930
500+
£63.700
More Pricing...
Total:£77.76
Min: 1 / Mult: 1
-
-
40A
-
100VDC
-
Panel Mount
Screw
-
-
0V
-
4VDC
-
32VDC
-
-
2841469

RoHS

Each
10+
£33.140
50+
£31.660
100+
£30.070
500+
£28.650
1000+
£26.940
More Pricing...
Total:£331.40
Min: 10 / Mult: 10
-
-
40A
-
530VAC
-
Panel Mount
Screw
-
Zero Crossing
48VAC
-
90VAC
-
280VAC
-
-
2841474

RoHS

Each
1+
£15.000
5+
£14.120
10+
£13.550
20+
£12.960
50+
£12.900
Total:£15.00
Min: 1 / Mult: 1
-
-
40A
-
530VAC
-
Panel Mount
Screw
-
Zero Crossing
48VAC
-
4VDC
-
32VDC
-
-
1383317

RoHS

Date/Lot Code

Each
1+
£83.230
10+
£79.580
50+
£75.920
100+
£73.730
Total:£83.23
Min: 1 / Mult: 1
DPST
-
40A
-
530VAC
-
Panel Mount
Quick Connect
-
Zero Crossing
42VAC
-
4.5VDC
-
32VDC
-
RA2A Series
2723386

RoHS

Each
1000+
£31.800
Total:£31,800.00
Min: 1000 / Mult: 1000
2 x SPST-NO
-
40A
-
480VAC
-
Panel Mount
Quick Connect
-
Zero Crossing
40VAC
-
4VDC
-
32VDC
-
SRA2 Series
4703610

RoHS

Each
1+
£27.500
5+
£24.070
10+
£19.940
20+
£19.540
Total:£27.50
Min: 1 / Mult: 1
SPST-NO
-
40A
-
660VAC
-
Panel Mount
Screw
-
Zero Crossing
24VAC
-
3VDC
-
32VDC
-
77 Series
4346778

RoHS

Each
1+
£75.450
5+
£73.940
10+
£72.430
Total:£75.45
Min: 1 / Mult: 1
-
-
40A
-
280VAC
-
Panel Mount
Screw
-
Zero Voltage Turn On
24VAC
-
4VDC
-
32VDC
-
DPI Series
4748574

RoHS

Date/Lot Code

Each
1+
£40.170
5+
£39.100
10+
£37.350
Total:£40.17
Min: 1 / Mult: 1
SPST-NO
-
40A
-
280VAC
-
Panel Mount
Screw
-
Zero Crossing
12VAC
-
4VDC
-
32VDC
-
SRP1-CE Series
4703609

RoHS

Each
1+
£24.040
5+
£21.040
10+
£17.430
20+
£17.080
Total:£24.04
Min: 1 / Mult: 1
SPST-NO
-
40A
-
280VAC
-
Panel Mount
Screw
-
Zero Crossing
24VAC
-
3VDC
-
32VDC
-
77 Series
4598650

RoHS

Each
1+
£39.370
5+
£37.750
10+
£36.560
20+
£35.710
Total:£39.37
Min: 1 / Mult: 1
-
-
40A
-
280VAC
-
DIN Rail
Screw
-
Zero Crossing
24VAC
-
4VDC
-
32VDC
-
MPKSV
4346787

RoHS

Each
1+
£86.020
5+
£84.300
10+
£82.580
Total:£86.02
Min: 1 / Mult: 1
-
-
40A
-
600VAC
-
Panel Mount
Screw
-
Zero Voltage Turn On
48VAC
-
4VDC
-
32VDC
-
DPI Series
4703611

RoHS

Each
1+
£103.930
5+
£90.940
10+
£75.350
Total:£103.93
Min: 1 / Mult: 1
3PST-NO
-
40A
-
660VAC
-
Panel Mount
Screw
-
Random Turn On
24VAC
-
90VAC
-
280VAC
-
77 Series
4748579

RoHS

Date/Lot Code

Each
1+
£104.430
Total:£104.43
Min: 1 / Mult: 1
SPST-NO
SPST-NO (1 Form A)
40A
DC
110VDC
200VDC
Panel Mount
Screw
Module
DC Switch
5VDC
0.046ohm
4VDC
2.5kVrms
32VDC
3mA
SRP1-CC Series
4835991

RoHS

Each
1+
£61.130
5+
£58.870
10+
£57.690
Total:£61.13
Min: 1 / Mult: 1
SPST
-
40A
-
440VAC
-
Panel Mount
Screw
-
Zero Crossing
24VAC
-
3VDC
-
32VDC
-
RS1A Series
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