Mercury-Free Hybrid Relay for Resistive Loads
Carlo Gavazzi RMD Series

SSR + EMR (electromechanical relay) combination!
No external heatsink required, great for HVAC!

These economically friendly switching devices provide a mercury-free switching solution.

The Carlo Gavazzi RMD series is ideal for controlling heating element inside of food ovens, warmers, fryers, rotisseries and other food equipment.

They are one of the few products of it’s type available on the market which is capable of switching up to 20 cycles per minute, with a 4 million electrical cycle life expectancy.

The RMD Series combines the benefits of solid state technology and electromechanical relays to provide a hybrid relay, which is an optimal solution.

This means that there is virtually no contact arcing, which results in prolonged relay life and much less emission inside of the panel.

Another benefit of hybrid technology is a full amperage rating at elevated operational temperatures. While most conventional switching devices are rated at 25°C or 40°C, the RMD Hybrid Relays are fully rated up to 60°C. The RMD3H switches heaters on three legs while the RMD2H is a lower cost alternative, as it switches two poles and the third pole is directly connected between L2 and T2.

Some of the technical features of the Carlo Gavazzi RMD series include:

The Carlo Gavazzi RMD series was mainly created to replace mercury relays and some mechanical contactors in applications where mercury is banned or where high ambient temperature and early failure are an issue. If you are unable to use mercury and mercury relays in your applications, this would be a great solution for you!

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