Solid State Relays

The main advantages of solid state relays over conventional electro-mechanical relays is that they have no moving parts to wear out, and therefore no contact bounce issues. SSRs are able to switch both “ON” and “OFF” much faster than a mechanical relays armature can move, as well as zero voltage turn-on and zero current turn-off eliminating electrical noise and transients.
Solid state relays are available in a range of package options, ranging from just a few volts or amperes to many hundreds of volts and amperes of output switching capability. A small input voltage, typically 3 to 32 volts DC, can be used to control a much large output voltage or current.

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Description Price Minimum Load Current Maximum Load Current Range Mounting Type Series Minimum Load Voltage Maximum Load Voltage Minimum Control Voltage Maximum Control Voltage Switching Type Contact Configuration Terminal Type Output Device Package Style
RS Stock No. 814-8135
Mfr. Part No.70S2-04-C-03-V
HK$140.40
Each
units
75 mA 3 A - PCB Mount - 24 V ac 280 V ac 3 V dc 30 V dc Zero Crossing SPNO PCB Pin Triac -
RS Stock No. 825-7305
Mfr. Part No.SSR210DIN-AC22
HK$518.47
Each
units
- 10 A - DIN Rail - 24 V ac 280 V ac 90 V ac 280 V ac Zero Crossing SPNO Screw SCR -
RS Stock No. 922-1899
Mfr. Part No.SSM1A112BDR
HK$340.16
Each
units
0.00015 A 12 A - DIN Rail - 24 V ac 280 V ac 4 V dc 32 V dc Random SPNO Screw SCR -
RS Stock No. 922-2079
Mfr. Part No.SSP3A250BDRT
HK$1,434.06
Each
units
0.1 A 50 A - Panel Mount - 48 V ac 530 V ac 4 V dc 32 V dc Zero Cross 3P-NO Screw SCR -
RS Stock No. 922-2060
Mfr. Part No.SSP3A250BDR
HK$1,734.93
Each
units
0.1 A 50 A - Panel Mount - 48 V ac 530 V ac 4 V dc 32 V dc Zero Cross 3P-NO Screw SCR -
RS Stock No. 922-1849
Mfr. Part No.SSL1D03ND
HK$122.99
Each
units
0.001 A 3.5 A - PCB Mount - 1 V dc 24 V dc 38 V dc 72 V dc DC SPNO PCB Pin MOSFET -
RS Stock No. 179-9449
Mfr. Part No.SSM1A120BD
HK$473.03
Each
units
0.15 A 20 A Zelio Relay DIN Rail SSM1 24 V ac 280 V ac 4 V dc 32 V dc Zero voltage SPNO Screw SCR -
RS Stock No. 904-5752
Mfr. Part No.SSP1A490M7
HK$629.20
Each
units
0.15 A 90 A - Panel Mount - 48 V ac 660 V ac 90 V ac 280 V ac Zero Voltage SPNO Screw SCR -
RS Stock No. 904-5664
Mfr. Part No.SSP1A125M7T
HK$303.94
Each
units
0.15 A 25 A - Panel Mount - 24 V ac 300 V ac 90 V ac 280 V ac Zero Voltage SPNO Screw SCR -
RS Stock No. 904-5756
Mfr. Part No.SSP1A490M7T
HK$663.52
Each
units
0.15 A 90 A - Panel Mount - 48 V ac 660 V ac 90 V ac 280 V ac Zero Voltage SPNO Screw SCR -
RS Stock No. 179-9450
Mfr. Part No.SSM1A120M7
HK$505.75
Each
units
0.15 A 20 A Zelio Relay DIN Rail SSM1 24 V ac 280 V ac 90 V ac 280 V ac Zero voltage SPNO Screw SCR -
RS Stock No. 904-5667
Mfr. Part No.SSP1A150BD
HK$421.43
Each
units
0.15 A 50 A - Panel Mount - 24 V ac 300 V ac 3 V dc 32 V dc Zero Voltage SPNO Screw SCR -
RS Stock No. 904-5699
Mfr. Part No.SSP1A4125BDS
HK$732.16
Each
units
0.15 A 125 A - Panel Mount - 48 V ac 660 V ac 4 V dc 32 V dc Zero Voltage SPNO Screw SCR -
RS Stock No. 904-5759
Mfr. Part No.SSP1A490BDT
HK$629.20
Each
units
0.15 A 90 A - Panel Mount - 48 V ac 660 V ac 4 V dc 32 V dc Zero Voltage SPNO Screw SCR -
RS Stock No. 904-5689
Mfr. Part No.SSP1A175BDT
HK$420.80
Each
units
0.15 A 75 A - Panel Mount - 24 V ac 300 V ac 3 V dc 32 V dc Zero Voltage SPNO Screw SCR -
RS Stock No. 904-5712
Mfr. Part No.SSP1A450BDT
HK$399.76
Each
units
0.15 A 50 A - Panel Mount - 48 V ac 660 V ac 4 V dc 32 V dc Zero Voltage SPNO Screw SCR -
RS Stock No. 904-5670
Mfr. Part No.SSP1A150BDT
HK$337.77
Each
units
0.15 A 50 A - Panel Mount - 24 V ac 300 V ac 3 V dc 32 V dc Zero Voltage SPNO Screw SCR -
RS Stock No. 922-1827
Mfr. Part No.SSL1A12JD
HK$79.90
Each
units
0.07 A 2 A - PCB Mount - 24 V ac 280 V ac 3 V dc 12 V dc AC SPNO PCB Pin SCR -
RS Stock No. 922-2072
Mfr. Part No.SSP3A250BDT
HK$1,274.11
Each
units
0.1 A 50 A - Panel Mount - 48 V ac 530 V ac 4 V dc 32 V dc AC 3P-NO Screw SCR -
RS Stock No. 922-1912
Mfr. Part No.SSM1A16B7R
HK$292.21
Each
units
0.00015 A 6 A - DIN Rail - 24 V ac 280 V ac 18 V ac 36 V ac Zero Cross SPNO Screw SCR -