Solidvar
Solid State Contactors
Contactors for rotor resistance, reversing contactors and contactors for inductive or resistive loads are essential components in electrical systems.
Solid State Contactors represent an evolution in relation to the old Static Switches. While the latter were mainly intended for resistive loads, solid state contactors were designed to support highly inductive loads, such as alternating current indu
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Contactors for rotor resistance, reversing contactors and contactors for inductive or resistive loads are essential components in electrical systems.
Solid State Contactors represent an evolution in relation to the old Static Switches. While the latter were mainly intended for resistive loads, solid state contactors were designed to support highly inductive loads, such as alternating current induction motors, whether squirrel-cage or other, whether in direct or non-direct starting. They have the advantage of not generating transients and of handling high switching frequencies. In addition, they provide substantial savings by reducing the need for maintenance shutdowns and minimizing production losses, especially in systems with high switching frequencies and in hostile environments.
Varixx Solid State Contactors operate with soft switching, that is, they turn on when there is no voltage and turn off when there is no current, thus avoiding the generation of electromagnetic noise, overvoltages and smoothing the starting current (Inrush).
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Varixx Solid State Contactors operate with soft switching, that is, they turn on when there is no voltage and turn off when there is no current, thus avoiding the generation of electromagnetic noise, overvoltages and smoothing the starting current (Inrush).
Operates in dirty and aggressive environments
Does not show wear
Does not require periodic maintenance
Does not generate ZVS and ZCS noises
High number of maneuvers per hour
Preserves the electrical insulation of motors
Applications
Discover the available models
Very high durability
The durability of Varixx Solid State Contactors is far superior to traditional contactors due to the absence of moving mechanical components, reduced arc wear and the use of high quality semiconductor materials.Technical specifications
Voltage
Nominal: 220 to 550V
Power Supply
20 to 50 VAC/VDC
100 to 240 VAC/VDC
110 VAC and 220 VAC
Version
Single phase
Biphasic
Three-phase
Protection Degree
IP20
Nominal Currents
20 to 2000A
Operating Speed
20,000 maneuvers per hour (maximum).
Lifetime
Greater than 20 years or 200 million maneuvers.
Ambient Temperature
0 to 40ºC (up to 75ºC with derating).
Isolation Between Command and Power
2.500V
Power/Mass Isolation
1.500V
Maximum Working Voltage
600 VAC
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