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Solid State Relays
- Single phase relays up to 125 amps   - 3 phase relays up to 75 amps
- Digital and analogue inputs (4-20 mA or 0-10 V)   - Complete range of SSR's with a built - in heatsink
Carlo Gavazzi offers a comprehensive range of Solid State Relays (SSR’s) featuring direct copper bonding technology for increased life and reliability. SSR’s are used extensively in the plastics, packaging, food processing, and HVAC industries - primarily for temperature control. Other applications include lighting and pump switching. Many of our relays feature horsepower ratings, that make them suitable for controlling motorized dampers in HVAC control systems. In these particular systems, our relays are the ideal replacements for mechanical contactors, because of their long life and noise-free switching. Furthermore, we also offer a complete range of SSR's with a built-in heatsink.


Heatsink Selector Tool
- Plug in your application details, preferred heatsink mounting, and the number of SSRs to be mounted on heatsink and find the most suitable heatsink for the requested application through this online tool
Thermal stress reduces the lifetime of the solid state relay and hence it is important that thermal dissipation by correctly sized heatsinks is provided. Solid state relays with integrated heatsinks are included in Carlo Gavazzi's product offering but for the cases where the design of the integrated heatsink is not suitable we provide a selection of different heatsinks to suit different needs.

If the product to be mounted on a heatsink is already identified, click on the link below to find a suitable heatsink that matches the needed application. Otherwise, first click on the above link to select the product and then select the heatsink.