SSR relay RSR72-48A75-H RSR72-48A75-H 1-phase 2616003

Solid State Relay SSR – Reliable AC Load Control

The RSR72-48A75-H solid state relay is a robust solution for switching AC loads on and off. The use of semiconductor technology eliminates moving parts, resulting in a longer service life and trouble-free operation in demanding industrial conditions. This relay, thanks to zero-crossing switching, minimizes electromagnetic interference and reduces the risk of damage to the load.

Design and Application

The RSR72-48A75-H model is a single-phase solid state relay equipped with an integrated heatsink. The heatsink provides effective heat dissipation, allowing operation with loads with higher rated current. This relay finds wide application in control cabinets, automation systems, temperature control systems, and in applications related to switching lighting and motors. Thanks to its design, it is ideal for applications requiring high switching frequency.

Advantages and Benefits

• High reliability: the lack of mechanical parts means less failure and longer life compared to traditional electromechanical relays.
• Quiet operation: the absence of moving parts eliminates noise during operation.
• No electric arc: zero-crossing switching minimizes the risk of electric arc formation, increasing safety and protecting the load.
• Interference resistance: semiconductor technology provides resistance to electromagnetic interference.
• Efficient cooling: the integrated heatsink allows operation with higher rated currents without the risk of overheating.
• Versatility: the 90…280 V AC control input allows easy integration with various control systems.
• Installation protection: protects the circuit against overload and short circuit - like most circuit breakers in this class.

The RSR72-48A75-H relay is a component dedicated to both professional installers looking for reliable solutions for industrial automation and end-users who need a solid element to control electrical loads.