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40A Solid State Relays:

89 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 Current
Load Type
Operating Voltage Max
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
3996114
Each
1+
£149.220
Min: 1 / Mult: 1
SPST-NO
-
40A
-
480VAC
-
Panel Mount
Screw
-
Zero Crossing
48VAC
-
90VAC
-
280VAC
-
SSR3 Series
1181261

RoHS

Each
1+
£47.570
5+
£46.540
10+
£45.550
Min: 1 / Mult: 1
SPST-NO
-
40A
-
264VAC
-
Panel Mount
Screw
-
Zero Crossing
19VAC
-
5VDC
-
24VDC
-
G3NA Series
5540513

RoHS

CARLO GAVAZZI
Each
1+
£170.420
Min: 1 / Mult: 1
3PST-NO
-
40A
-
660VAC
-
Panel Mount
Screw
-
Zero Crossing
42VAC
-
4VDC
-
32VDC
-
RZ3A
1200243

RoHS

Each
1+
£54.230
5+
£47.400
10+
£44.900
Min: 1 / Mult: 1
SPST-NO
-
40A
-
280VAC
-
Panel Mount
Screw
-
Zero Crossing
24VAC
-
3VDC
-
32VDC
-
1 Series
2780690

RoHS

Each
1+
£56.380
5+
£55.250
10+
£54.120
Min: 1 / Mult: 1
SPST-NO
-
40A
-
150VDC
-
Panel Mount
Screw
-
-
1VDC
-
3.5VDC
-
32VDC
-
Harmony SSP1 Series
1973894
Each
1+
£106.600
5+
£104.470
10+
£102.340
Min: 1 / Mult: 1
-
-
40A
-
30VDC
-
DIN Rail
Screw
-
Zero Crossing
4VDC
-
24VAC
-
240VAC
-
G3PA Series
1200199

RoHS

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

RoHS

Each
1+
£54.430
5+
£46.530
10+
£44.080
Min: 1 / Mult: 1
SPST-NO
-
40A
-
280VAC
-
Panel Mount
Screw
-
Zero Crossing
24VAC
-
90VAC
-
280VAC
-
1 Series
3792768

RoHS

Each
1+
£108.040
Min: 1 / Mult: 1
DPST-NO
-
40A
-
280VAC
-
Chassis
Quick Connect
-
Zero Crossing
24VAC
-
4VDC
-
15VDC
-
SSRD Series
2784884

RoHS

Each
1+
£87.110
5+
£82.750
10+
£78.400
Min: 1 / Mult: 1
SPST-NO
-
40A
-
100VDC
-
Panel Mount
Screw Clamp
-
-
1VDC
-
3.5VDC
-
32VDC
-
1-DC Series
1936420

RoHS

Each
1+
£158.190
Min: 1 / Mult: 1
SPST-NO
-
40A
-
240Vrms
-
Panel Mount
Screw
-
Proportional Output
100Vrms
-
2VDC
-
10VDC
-
PCV Series
2784897

RoHS

Each
1+
£80.180
5+
£77.960
10+
£76.010
Min: 1 / Mult: 1
SPST-NO
-
40A
-
530VAC
-
Panel Mount
Screw
-
Zero Crossing
48VAC
-
3VDC
-
32VDC
-
HD48 Series
2841469

RoHS

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

RoHS

Each
10+
£27.710
50+
£26.450
100+
£25.100
500+
£23.890
1000+
£22.440
More Pricing...
Min: 10 / Mult: 10
-
-
40A
-
530VAC
-
Panel Mount
Screw
-
Zero Crossing
48VAC
-
4VDC
-
32VDC
-
-
2841458

RoHS

Each
10+
£25.560
50+
£24.430
100+
£23.200
500+
£22.100
1000+
£20.790
More Pricing...
Min: 10 / Mult: 10
-
-
40A
-
280VAC
-
Panel Mount
Screw
-
Zero Crossing
48VAC
-
4VDC
-
32VDC
-
-
2841501

RoHS

Each
1+
£77.760
25+
£73.890
50+
£70.540
100+
£66.930
500+
£63.700
More Pricing...
Min: 1 / Mult: 1
-
-
40A
-
100VDC
-
Panel Mount
Screw
-
-
0VDC
-
4VDC
-
32VDC
-
-
1383317

RoHS

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

RoHS

Each
1+
£42.580
5+
£41.300
10+
£39.900
25+
£38.680
50+
£37.260
More Pricing...
Min: 1 / Mult: 1
2 x SPST-NO
-
40A
-
480VAC
-
Panel Mount
Quick Connect
-
Zero Crossing
40VAC
-
4VDC
-
32VDC
-
SRA2 Series
3996112
Each
1+
£128.690
Min: 1 / Mult: 1
SPST-NO
-
40A
-
480VAC
-
Panel Mount
Screw
-
Zero Crossing
48VAC
-
4VDC
-
32VDC
-
SSR3 Series
3996109
Each
1+
£145.210
10+
£140.740
Min: 1 / Mult: 1
SPST-NO
-
40A
-
480VAC
-
Panel Mount
Screw
-
Random Turn On
48VAC
-
4VDC
-
32VDC
-
SSR3 Series
4703610

RoHS

Each
1+
£32.560
5+
£31.750
10+
£30.240
20+
£29.530
Min: 1 / Mult: 1
SPST-NO
-
40A
-
660VAC
-
Panel Mount
Screw
-
Zero Crossing
24VAC
-
3VDC
-
32VDC
-
77 Series
4703609

RoHS

Each
1+
£28.460
5+
£27.750
10+
£26.430
20+
£25.810
Min: 1 / Mult: 1
SPST-NO
-
40A
-
280VAC
-
Panel Mount
Screw
-
Zero Crossing
24VAC
-
3VDC
-
32VDC
-
77 Series
4346787

RoHS

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

RoHS

Each
1+
£123.150
5+
£120.080
10+
£114.360
Min: 1 / Mult: 1
3PST-NO
-
40A
-
660VAC
-
Panel Mount
Screw
-
Random Turn On
24VAC
-
90VAC
-
280VAC
-
77 Series
4703612

RoHS

Each
1+
£110.490
5+
£107.730
10+
£102.600
Min: 1 / Mult: 1
3PST-NO
-
40A
-
660VAC
-
Panel Mount
Screw
-
Random Turn On
24VAC
-
4VDC
-
32VDC
-
77 Series
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