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  Solid State Relays (370 items)

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Siemens Solid State Relay, DIN Rail Mount / 2163252 (2 offers) 
The Siemens SIRIUS 3RQ3 series is an input coupler with semiconductor output for electrical isolation, amplification and signal adjustment between the controller and I/O. The operating voltage is 2...
Siemens
3RQ3070-2SB30
from £ 36.12*
per piece
 
 piece
Siemens Solid State Relay, DIN Rail Mount / 2163250 (1 offer) 
The Siemens SIRIUS 3RQ3 series is an output relay coupler for electrical isolation, amplification and signal adjustment between the controller and I/O. The operating voltage is 115 V ac/dc. The typ...
Siemens
3RQ3018-1AE00
£ 24.671*
per piece
 
 pieces
Siemens Solid State Relay, 90 A Load, Panel Mount, 460 V Load, 24 V dc Control / 4729092 (2 offers) 
Heat sink not included. For load current de-rating and heat sink details see manufacturers datasheet. 3RF20 Series. Self-contained unit Zero-cross switching IP20 Efficient thyristors with high reve...
Siemens
3RF2090-1AA04
from £ 42.56*
per piece
 
 piece
Siemens Solid State Relay, 88 A Load, Panel Mount, 460 V Load, 24 V dc Control / 4729244 (2 offers) 
Heat sink not included. For load current de-rating and heat sink details see manufacturers datasheet. 3RF21 Series. Compact space-saving design, 22mm width Zero-cross switching IP20 Mount onto exis...
Siemens
3RF2190-1AA04
from £ 45.37*
per piece
 
 piece
Siemens Solid State Relay, 70 A Load, Panel Mount, 600 V Load, 24 V dc Control / 4729115 (2 offers) 
Heat sink not included. For load current de-rating and heat sink details see manufacturers datasheet. 3RF21 Series. Compact space-saving design, 22mm width Zero-cross switching IP20 Mount onto exis...
Siemens
3RF2170-1AA06
from £ 48.79*
per piece
 
 piece
Siemens Solid State Relay, 70 A Load, Panel Mount, 460 V Load, 24 V dc Control / 4729250 (2 offers) 
Heat sink not included. For load current de-rating and heat sink details see manufacturers datasheet. 3RF21 Series. Compact space-saving design, 22mm width Zero-cross switching IP20 Mount onto exis...
Siemens
3RF2170-1AA04
from £ 36.13*
per piece
 
 piece
Siemens Solid State Relay, 70 A Load, Panel Mount, 230 V Load, 24 V dc Control / 4728998 (2 offers) 
Heat sink not included. For load current de-rating and heat sink details see manufacturers datasheet. 3RF20 Series. Self-contained unit Zero-cross switching IP20 Efficient thyristors with high reve...
Siemens
3RF2070-1AA02
from £ 34.40*
per piece
 
 piece
Siemens Solid State Relay, 70 A Load, DIN Rail Mount, 460 V ac Load, 24 V dc Control / 5187641 (1 offer) 
3RF23 Series. Complete unit comprising solid state relay and optimised heat sink IP20 rating Optimised heat transfer by DCB technology Efficient thyristors with high reverse voltage Screw connectio...
Siemens
3RF2370-1BA04
£ 143.976*
per piece
 
 piece
Siemens Solid State Relay, 55 A Load, Panel Mount, 600 V Load, 30 V dc Control / 6129006 (2 offers) 
CE. 3RF22 - Semiconductor Relays. 3-phase switching Zero-cross switching Screw terminal Plug-in control terminal LED display Compact design, 45mm overall width
Siemens
3RF2255-1AC45
from £ 125.28*
per piece
 
 piece
Siemens Solid State Relay, 50 A Load, Panel Mount, 600 V Load, 24 V dc Control / 4729216 (2 offers) 
Heat sink not included. For load current de-rating and heat sink details see manufacturers datasheet. 3RF21 Series. Compact space-saving design, 22mm width Zero-cross switching IP20 Mount onto exis...
Siemens
3RF2150-1AA06
from £ 43.89*
per piece
 
 piece
Siemens Solid State Relay, 50 A Load, Panel Mount, 460 V Load, 24 V dc Control / 4729266 (2 offers) 
Heat sink not included. For load current de-rating and heat sink details see manufacturers datasheet. 3RF21 Series. Compact space-saving design, 22mm width Zero-cross switching IP20 Mount onto exis...
Siemens
3RF2150-1AA04
from £ 32.57*
per piece
 
 piece
Siemens Solid State Relay, 50 A Load, Panel Mount, 460 V Load, 24 V dc Control / 4729121 (2 offers) 
Heat sink not included. For load current de-rating and heat sink details see manufacturers datasheet. 3RF20 Series. Self-contained unit Zero-cross switching IP20 Efficient thyristors with high reve...
Siemens
3RF2050-1AA04
from £ 34.09*
per piece
 
 piece
Siemens Solid State Relay, 50 A Load, Panel Mount, 230 V Load, 24 V dc Control / 4729109 (2 offers) 
Heat sink not included. For load current de-rating and heat sink details see manufacturers datasheet. 3RF20 Series. Self-contained unit Zero-cross switching IP20 Efficient thyristors with high reve...
Siemens
3RF2050-1AA02
from £ 28.25*
per piece
 
 piece
Siemens Solid State Relay, 50 A Load, Panel Mount, 230 V Load, 24 V dc Control / 4728960 (2 offers) 
Heat sink not included. For load current de-rating and heat sink details see manufacturers datasheet. 3RF21 Series. Compact space-saving design, 22mm width Zero-cross switching IP20 Mount onto exis...
Siemens
3RF2150-1AA02
from £ 27.98*
per piece
 
 piece
Siemens Solid State Relay, 50 A Load, DIN Rail Mount, 600 V Load, 30 V dc Control / 6129056 (2 offers) 
Maximum Load Current = 50 A Mounting Type = DIN Rail Maximum Load Voltage = 600 V Minimum Load Voltage = 48 V Minimum Control Voltage = 4 V dc Switching Type = Zero Cross Control Voltage Range = 4 ...
Siemens
3RF2450-1AC45
from £ 177.92*
per piece
 
 piece
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