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Showing Results For: Solid State Contactors

Solid State Contactors

What are Solid State Contactors?

Solid-state contactors are devices without moving parts that use small control buttons to turn a large load ON or OFF. These contactors are far superior to all other types of contactors in terms of switching speed, durability, service period, and strength. Furthermore, these state-of-the-art contactors operate with reliable switching times, are reliable in dusty or chemical environments, and switch resistive and inductive loads quietly and without wear.

They are available for single-phase and three-phase networks and, depending on the type, also provide a reverse function. These devices are complete units consisting of a solid-state relay and an optimized heatsink and are therefore ready for use. They can be easily installed on a standard mounting rail or attached to the support plates with screws.

Why choose our products?

We offer more reliable and higher quality contactors in various models, rated currents, and voltages. We also have a broad category of the best contactors that are fully insulated and can be mounted directly on motor protectors and overcurrent relays. Moreover, they are available in different mounting styles, types, and series and have a 1, 2, or 3-phase range depending on the type you need to best suit typical motor circuits without a neutral connection.

Additional advantages in the field:

  • Reliable and fast switching.
  • Shock and vibration resistant.
  • Easy connection.
  • High transmission capacity.
  • Direct start and reverse of three-phase asynchronous motors.
  • Switching without mains interference: Semiconductor service providers will only switch to zero-crossing mode. This means that no high-frequency interference pulses are generated.
  • Easy to operate.
  • Integrated blocking circuit and load cabling.
  • If the module overheats, the optional thermal fuse will turn it off.
  • No switching noise and clean operation without dust formation due to wear.
  • Uses high-performance semiconductor devices, supports high bit rates, and has a long service life.
  • Allows quiet and clean operation and is suitable for use in hospitals, office buildings, and other areas that require low noise levels.

How can I choose the right solid state contactors?

Contactors are selected based on electrical system specifications, charging type, and ambient temperature conditions. Because they are already equipped with an optimized heatsink, the selection process is much simpler than for solid-state relays (SSRs).

For ease of selection, the following procedure is recommended:

  • Determine the rated load current and the main voltage.
  • Select a solid-state contactor with the same or higher rated current as of the load.
  • Check the correct contactor for design conditions.

What are the applications of solid-state contactors?

Semiconductor contactors are widely used in a wide range of applications, sectors, and industries, including:

  • Industrial inspections
  • Automation
  • Transmission control
  • Motor control
  • Robotics
  • Medical devices and patient/device isolation
  • Instrumentation
  • Multiplexer
  • Data acquisition
  • Meter (watt-hour, water, gas)
  • IC devices, and
  • Home appliances.

Enrgtech offers solid state contactors with extraordinary features and benefits. Be the first to order the products and get efficient delivery to your doorstep.


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3RF34101BD04, Siemens
28 In Stock
Check Stock & Lead Times Packaging Options
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£ 257.36
Carlo Gavazzi
Rohs Verified
REC2R48A30GKE, Carlo Gavazzi
22 In Stock
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Carlo Gavazzi
RJ3A22A32EP, Carlo Gavazzi
9 In Stock
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3RF34051BB04, Siemens
98 In Stock
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£ 120.53
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New Items
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REC2R48A30GKE, Carlo Gavazzi

REC2R48A30GKE, Carlo Gavazzi

Carlo Gavazzi Solid State Contactor Carlo Gavazzi REC series provides the user with a motor reversing relay solution. Comes equipped with an integrated interlock which provides short circuit prevention. Up to 3kW Motor rating DIN & Panel mounting options Instantaneous switching 4kVrms opto-isolation Three phase with 2P switching Solid State Contactors
New items
3RF34101BD04, Siemens

3RF34101BD04, Siemens

3RF34 Sirius Innovation Range The Siemens 3RF34 Sirius Innovation Range of solid-state contactors are designed for the frequent switching on and switching off of AC drives up to 5 HP as well as reversing up to 3 HP. These devices are fully insulated and can be mounted directly on motor protectors and overload relays or SIRIUS current monitoring relays. These 3-phase solid-state contactors are equipped with a 2-phase control which is particularly suitable for typical motor circuits without a connection to the neutral conductor. Highly reliable and extremely good quality. All models contain various current ratings and voltage. Zero Voltage Relays Note Temperature can affect current rating; please consult the data sheet for potential derating.
New items
3RF34051BB04, Siemens

3RF34051BB04, Siemens

3RF34 Sirius Innovation Range The Siemens 3RF34 Sirius Innovation Range of solid-state contactors are designed for the frequent switching on and switching off of AC drives up to 5 HP as well as reversing up to 3 HP. These devices are fully insulated and can be mounted directly on motor protectors and overload relays or SIRIUS current monitoring relays. These 3-phase solid-state contactors are equipped with a 2-phase control which is particularly suitable for typical motor circuits without a connection to the neutral conductor. Highly reliable and extremely good quality. All models contain various current ratings and voltage. Zero Voltage Relays Note Temperature can affect current rating; please consult the data sheet for potential derating.
FAQs
We offer free shipping for orders over £200 if delivery is in the UK. All other orders in the UK, shipping from £7.99 depending on the weight and measurement. Mainland Europe shipping charges start from £25. For all other countries shipping charges start from £50 for products like Solid State Contactors and all others.
You can email us directly at sales@enrgtech.co.uk or via our website for any queries regarding Solid State Contactors or any other product.
This depends on the Solid State Contactors individual product and information that can be found on our website.
Yes, we offer special discounts on orders above £200 for Solid State Contactors and all other products.
UK orders normally take between 2/3 working days. International orders normally take between 3/5 working days for all products including Solid State Contactors.
Yes. We keep updating our stock frequently and if a product like Solid State Contactors is not in stock then we will let you know.