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. 121-3894
BrandRS PRO
$67.00
Each
units
- 30 A - DIN Rail - 48 Vrms 530 Vrms 90 V ac 280 V ac - SP Screw - -
RS Stock No. 922-5182
BrandRS PRO
$32.86
Each
units
0.1 A 10 A rms - Panel Mount - 24 V ac 280 V ac 3 V dc 32 V dc Random SPNO Screw TRIAC -
RS Stock No. 922-5065
BrandRS PRO
$74.67
Each
units
0.4 A 90 A rms - Panel Mount - 48 V ac 480 V ac 3 V dc 32 V dc Random SPNO Screw Thyristor -
RS Stock No. 922-5107
BrandRS PRO
$86.01
Each
units
0.4 A 75 A rms - Panel Mount - 48 V ac 660 V ac 3 V dc 32 V dc Random SPNO Screw Thyristor -
RS Stock No. 922-5093
BrandRS PRO
$86.25
Each
units
0.4 A 40 A rms - Panel Mount - 48 V ac 660 V ac 3 V dc 32 V dc Random SPNO Screw Thyristor -
RS Stock No. 922-5191
BrandRS PRO
$56.65
Each
units
0.2 A 25 A rms - Panel Mount - 24 V ac 280 V ac 3 V dc 32 V dc Random SPNO Screw TRIAC -
RS Stock No. 922-5126
BrandRS PRO
$189.25
Each
units
0.1 A 10 A rms - Panel Mount - 48 V ac 480 V ac 3 V dc 32 V dc Random 3P-NO Screw Thyristor -
RS Stock No. 121-3896
BrandRS PRO
$89.26
Each
units
- 30 A - DIN Rail - 48 Vrms 530 Vrms 4 V dc 32 V dc - SP Screw - -
RS Stock No. 922-5208
BrandRS PRO
$37.85
Each
units
0.2 A 25 A rms - Panel Mount - 24 V ac 280 V ac 3 V dc 32 V dc Zero Cross SPNO Screw TRIAC -
RS Stock No. 922-5104
BrandRS PRO
$73.56
Each
units
0.1 A 10 A rms - Panel Mount - 24 V ac 660 V ac 3 V dc 32 V dc Zero Cross SPNO Screw Thyristor -
RS Stock No. 922-5078
BrandRS PRO
$69.69
Each
units
0.2 A 25 A rms - Panel Mount - 24 V ac 480 V ac 3 V dc 32 V dc Zero Cross SPNO Screw Thyristor -
RS Stock No. 922-5132
BrandRS PRO
$189.23
Each
units
0.1 A 10 A rms - Panel Mount - 24 V ac 480 V ac 3 V dc 32 V dc Zero Cross 3P-NO Screw Thyristor -
RS Stock No. 922-5040
BrandRS PRO
$81.72
Each
units
0.4 A 75 A rms - Panel Mount - 24 V ac 280 V ac 90 V ac 280 V ac Zero Cross SPNO Screw Thyristor -
RS Stock No. 922-5037
BrandRS PRO
$58.80
Each
units
0.4 A 45 A rms - Panel Mount - 24 V ac 280 V ac 90 V ac 280 V ac Zero Cross SPNO Screw Thyristor -
RS Stock No. 903-2970
Mfr. Part No.KSI240D40-L
BrandKudom
$54.27
Each
units
- 40 A - Panel Mount - 48 V ac 280 V ac 4 V dc 32 V dc Zero Crossing - Screw SCR, Triac -
RS Stock No. 346-687
Mfr. Part No.D2450
$83.80
Each
units
40 mA 50 A rms - Surface Mount - 24 V ac 280 V ac 3 V dc 32 V dc Zero Cross - - SCR -
RS Stock No. 712-5140
Mfr. Part No.G3RV-SL500-D 24VAC/DC
BrandOmron
$63.06
Each
units
100 μA 3 A - DIN Rail G3RV-SL 3 V dc 26.4 V dc 21.6 V ac/dc 24 V ac/dc - SPST Push In MOSFET -
RS Stock No. 346-918
Mfr. Part No.D2425
$68.26
Each
units
40 mA 25 A rms - Surface Mount - - 280 V rms - 32 V Zero Cross - - SCR -
RS Stock No. 173-8148
Mfr. Part No.AQV210E
BrandPanasonic
$7.099
Each (In a Tube of 50)
units
- 130 mA - PCB Mount - - 350 V 1.14 V 1.5 V - SPNO Through Hole PhotoMOS DIP6
RS Stock No. 113-7210
Mfr. Part No.AQV210E
BrandPanasonic
$3.83
Each
units
- 130 mA - PCB Mount - - 350 V 1.14 V 1.5 V - SPNO Through Hole PhotoMOS DIP6
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