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  • RZ3A series three-phase panel mount solid-state relay
  • 4-32Vdc Input
  • 55 amps per-phase / 42-660Vac output @ 40°C
  • Zero-crossing output
  • Internal overvoltage protection
  • LED input status indicator
  • IP10 protective housing
  • Direct copper bonding (DCB) substrate for superior thermal performance
  • Self-lifting screw terminals
  • Agency approvals: UR, cUR, CSA and CE

Carlo Gavazzi RZ3A60D55 55 Amp, DC Input Three-Phase Solid State Relay

SKU: RZ3A60D55
  • Additional Information:

    In Stock - product normally ships within 24 hours. Please contact us at 800.879.7918 / for order quantities >5 pieces to confirm availability and volume discount pricing. Lead time approximately 1 week for orders in excess of in-stock quantity. 


    Shipping: All website orders >$100 are eligible for free ground shipping within the United States


    Condition: New / Unused


    Warranty: Additional information is available on the Policies page of our website 


    Product Datasheet: Carlo Gavazzi RZ3A60D55 Solid State Relay

  • Product Description:

    The Carlo Gavazzi RZ3A60D55 is a three-phase solid state rated for 55 amps per-phase at line voltages between 42Vac and 660Vac in a 40°C ambient. Designed for superior performance and reliability in demanding industrial applications, the RZ3A60D55 three-phase solid state relay utilizes back-to-back SCRs to switch power to/from AC loads. This minimizes overall power dissipation and increases the solid state relay’s ability to withstand surge currents.


    The input of the RZ3A60D55 can accept control signals between 4Vdc and 32Vdc. The control circuit will draw less than 23mA at the maximum specified input voltage. The input of the RZ3A60D55 three-phase solid state relay controls all three outputs, making them an ideal power-switching solution for most three-phase loads.


    The RZ3A60D55 three-phase solid state relay uses zero-crossing optical isolators to trigger the output SCRs. When an input signal is applied, the output of the solid state relay will not conduct load current until the AC mains passes through the zero-crossing point of the sine wave. This greatly reduces inrush currents and minimizes the level of conducted emissions coupled onto the AC mains by the solid state relay.


    Typical Carlo Gavazzi solid state relay applications include resistive heating control, motor control and some lighting control systems.


    Additional features and benefits of the Carlo Gavazzi RZ3A60D55 solid state relay include:

    • Direct bond copper (DBC) substrate for superior thermal performance
    • LED input status indicator
    • Integrated overvoltage protection
    • Integrated RC snubber network
    • IP10 touch-safe housing
    • Agency approvals: UR/cUR, CSA and CE


    A heat sink and thermal compound are normally required to prevent a solid state relay from overheating during normal operation. HBControls can pre-assemble the RZ3A60D55 three-phase solid state relay onto a wide range of DIN or panel mount heat sinks. Please contact us at / 800.879.7918 if you’d like to receive more information on pre-assembled solutions for the Carlo Gavazzi RZ3A60D55 solid state relay or if you’d like to discuss specific application requirements.


    About Carlo Gavazzi

    Carlo Gavazzi is an international group active in designing, manufacturing and marketing electronic equipment. Automation Components is the core business operated by Carlo Gavazzi Group.


    Automation Components designs and manufactures electronic control components for the global building and industrial automation markets in its ISO 9001 and ISO 14001 certified factories in Italy, Lithuania, Malta and China.


    The products (sensors, monitoring relays, timers, energy management systems, solid state relays, electronic motor controllers, safety devices and fieldbus systems) provide automation solutions for the industrial and building automation markets.


    Typical customers are original equipment manufacturers of packaging machines, plastic-injection moulding machines, agriculture machines, food and beverage production, conveying and materials handling equipment, door and entrance control systems, lifts and escalators as well as heating, ventilation and air conditioning devices. System integrators and distributors are other effective channels to the market.


    The products are marketed across Europe, North America and Asia-Pacific through a network of 22 own sales companies and around 60 independent national distributors. In addition, Automation Components designs and manufactures signaling equipment and safety relays for the railways market.

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