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. 184-5999
Mfr. Part No.D53TP50D
HK$1,768.03
Each
units
0.05 A 50 A rms - Panel Mount - - 530 V rms 4 V 32 V Zero Cross - - SCR -
RS Stock No. 346-895
Mfr. Part No.D2410
HK$385.67
Each
units
40 mA 10 A rms - Surface Mount - - 280 V rms - 32 V Zero Cross - - SCR -
RS Stock No. 291-2040
Mfr. Part No.D2475
HK$723.61
Each
units
40 mA 75 A rms - Surface Mount - - 280 V rms 3 V 32 V Zero Cross - - SCR -
RS Stock No. 394-462
Mfr. Part No.PF240D25
HK$245.81
Each
units
0.06 A 25 A rms - PCB Mount - - 280 V rms - 15 V Zero Cross - - SCR -
RS Stock No. 352-890
Mfr. Part No.HD4850
HK$565.92
Each
units
40 mA 50 A - Panel Mount - - 530 V - 32 V Zero Cross - - SCR -
RS Stock No. 291-2359
Mfr. Part No.H12WD4850
HK$578.68
Each
units
150 mA 50 A - Panel Mount - - 660 V 4 V 32 V Zero Cross - - SCR -
RS Stock No. 701-8516
Mfr. Part No.DRA1-CX240D5-B
HK$439.16
Each
units
0.06 A 5 A rms - DIN Rail DRA1-CX 12 V ac 280 V 3 V dc 15 V dc Zero Cross SP-NC - - -
RS Stock No. 291-2337
Mfr. Part No.H12WD4890
HK$952.94
Each
units
150 mA 90 A - Panel Mount - 48 V ac 660 V ac 4 V dc 32 V Zero Cross - - SCR -
RS Stock No. 361-7796
Mfr. Part No.CKRD2430
HK$609.03
Each
units
0.15 A 30 A rms - DIN Rail - - 280 V rms - 32 V Zero Cross - - SCR -
RS Stock No. 291-2387
Mfr. Part No.CX380D5
HK$176.92
Each
units
0.06 A 5 A - PCB Mount - 48 V ac 530 V ac 4 V dc 15 V dc Zero Cross - PCB Pin SCR -
RS Stock No. 736-0873
Mfr. Part No.DC60S7
HK$342.61
Each
units
20 mA 7 A - Surface Mount - 3 V dc 60 V dc 3.5 V dc 32 V dc DC SPNO Screw Transistor -
RS Stock No. 352-525
Mfr. Part No.A2440
HK$464.05
Each
units
40 mA 40 A rms - Surface Mount - - 280 V rms - 280 V rms Zero Cross - - SCR -
RS Stock No. 346-918
Mfr. Part No.D2425
HK$389.72
Each
units
40 mA 25 A rms - Surface Mount - - 280 V rms - 32 V Zero Cross - - SCR -
RS Stock No. 807-4605
Mfr. Part No.G3M-203PL DC24
BrandOmron
HK$180.10
Each
units
0.1 A 3 A - PCB Mount G3M 75 V ac 264 V ac 19.2 V dc 28.8 V dc Non-Zero Crossing SPST PCB Pin Phototriac -
RS Stock No. 353-922
Mfr. Part No.G3ROA202SZNDC524
BrandOmron
HK$248.19
Each
units
0.05 A 2 A - DIN Rail G3R-O 75 V ac 240 V ac 4 V dc 32 V dc Zero Crossing - PCB Pin Triac -
RS Stock No. 171-8926
Mfr. Part No.SC864110
BrandCelduc
HK$456.87
Each
units
5 mA 50 A - Panel Mount - - 520 V rms - 30 V Zero Crossing - - Triac -
RS Stock No. 361-7780
Mfr. Part No.CKRD2420
HK$543.98
Each
units
0.15 A 20 A rms - DIN Rail - - 280 V rms - 32 V Zero Cross - - SCR -
RS Stock No. 457-2868
Mfr. Part No.34.81.7.024.9024
BrandFinder
HK$303.11
Each
units
1 mA 6 A - PCB Mount Series 34 1.5 V dc 24 V dc 16 V 30 V DC SPNO PCB Pin - SIP4
RS Stock No. 393-9399
Mfr. Part No.D06D100
HK$1,215.59
Each
units
5 mA 100 A - Surface Mount - - 60 V 3.5 V dc 32 V - - - MOSFET -
RS Stock No. 740-1330
Mfr. Part No.ED24C3
HK$120.48
Each
units
150 mA 3 A - DIN Rail - 24 V rms 280 V rms 18 V dc 32 V dc Zero Cross SPST Through Hole - EMR
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