Industrial solid state relays | electrical load control
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Industrial Solid State Relays (SSR) – modern electronic switching devices designed for controlling electrical circuits without mechanical contacts. Unlike traditional electromagnetic relays, SSRs use semiconductor components (triacs, thyristors, transistors), which provide extremely high reliability, silent operation, and long service life.
They are widely used in industry, automation, heating, cooling, lighting, motor control, and other equipment where fast response, absence of vibration, and high switching cycles are important.
Functions
Switching electrical loads – turning AC or DC circuits on and off.
Contactless operation – no mechanical wear, longer service life.
Fast switching – suitable for frequent on/off operations.
Vibration and noise protection – ideal for precision systems.
Various types – AC-AC, DC-AC, DC-DC relays depending on control and load circuits.
Integrated protection – against overcurrent, overvoltage, overheating (depending on model).
Applications
For home users: smart home systems, lighting automation, heating control.
For engineers: industrial equipment automation, production lines, process control.
For electricians: control cabinets, electrical distribution boxes, reliable switching.
In industry: plastic molding machines, food industry, HVAC systems, CNC equipment.
In transport and energy: motor, pump, and fan control.
Advantages
Long service life due to absence of mechanical parts.
Completely silent operation.
Resistant to vibration, shock, and dust.
Fast switching – suitable for intensive cycles.
Compact, easy to mount on DIN rail or heat sinks.
Ability to control high loads with a low current signal.
Disadvantages
Increased heat dissipation (often requires heat sinks).
Higher cost than mechanical relays.
May have small leakage current even in off state.
Conclusion
Industrial solid state relays are a reliable and modern solution for electrical load control. They ensure durability, quiet operation, and resistance to environmental influences, making them indispensable in industry, automation, and modern control systems. Although their price is higher than mechanical relays, the investment pays off with lower maintenance costs and longer service life.
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Sealed solid state relay | 100 A | AC → AC | LED indication | contactless switching | GSR1-3Code: ESGSR1-37Price 29.98 € VAT incl.( 24.78 € VAT excl. )
Sealed solid state relay | 90 A | AC → AC | LED indication | contactless switching | GSR1-3Code: ESGSR1-36Price 29.98 € VAT incl.( 24.78 € VAT excl. )
Sealed solid state relay | 80 A | AC → AC | LED indication | contactless switching | GSR1-3Code: ESGSR1-35Price 29.98 € VAT incl.( 24.78 € VAT excl. )
Sealed solid state relay | 60 A | AC → AC | LED indication | contactless switching | GSR1-3Code: ESGSR1-34Price 29.98 € VAT incl.( 24.78 € VAT excl. )
Sealed solid state relay | 50 A | AC → AC | LED indication | contactless switching | GSR1-3Code: ESGSR1-33Price 29.98 € VAT incl.( 24.78 € VAT excl. )
Sealed solid state relay | 40 A | AC → AC | LED indication | contactless switching | GSR1-3Code: ESGSR1-32Price 29.98 € VAT incl.( 24.78 € VAT excl. )
Sealed solid state relay | 25 A | AC → AC | LED indication | contactless switching | GSR1-3Code: ESGSR1-31Price 29.98 € VAT incl.( 24.78 € VAT excl. )
Sealed solid state relay | 10 A | AC → AC | LED indication | contactless switching | GSR1-3Code: ESGSR1-3Price 29.98 € VAT incl.( 24.78 € VAT excl. )
Single-phase solid state relay | 100 A | DC → DC | LED indication | contactless switching | GSR1-1-25DACode: ESGSR1-1-25DA7Price 7.51 € VAT incl.( 6.21 € VAT excl. )
Single-phase solid state relay | 90 A | DC → DC | LED indication | contactless switching | GSR1-1-25DACode: ESGSR1-1-25DA6Price 7.51 € VAT incl.( 6.21 € VAT excl. )
Single-phase solid state relay | 80 A | DC → DC | LED indication | contactless switching | GSR1-1-25DACode: ESGSR1-1-25DA5Price 7.51 € VAT incl.( 6.21 € VAT excl. )
Single-phase solid state relay | 60 A | DC → DC | LED indication | contactless switching | GSR1-1-25DACode: ESGSR1-1-25DA4Price 7.51 € VAT incl.( 6.21 € VAT excl. )
Single-phase solid state relay | 50 A | DC → DC | LED indication | contactless switching | GSR1-1-25DACode: ESGSR1-1-25DA3Price 7.51 € VAT incl.( 6.21 € VAT excl. )
Single-phase solid state relay | 40 A | DC → DC | LED indication | contactless switching | GSR1-1-25DACode: ESGSR1-1-25DA2Price 7.51 € VAT incl.( 6.21 € VAT excl. )
Single-phase solid state relay | 25 A | DC → DC | LED indication | contactless switching | GSR1-1-25DACode: ESGSR1-1-25DA1Price 7.51 € VAT incl.( 6.21 € VAT excl. )
Single-phase solid state relay | 10 A | DC → DC | LED indication | contactless switching | GSR1-1-25DACode: ESGSR1-1-25DAPrice 7.51 € VAT incl.( 6.21 € VAT excl. )
