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CARLO GAVAZZI RZ3A40A55 3-Phase Solid State Relay

The CARLO GAVAZZI RZ3A series is a family of solid-state relays engineered for robust industrial switching applications. These relays are capable of handling high voltages up to 690 VACrms and offer a range of load currents up to 75 AACrms. The design incorporates a built-in varistor for enhanced transient protection, ensuring reliability in heavy-duty environments. Available in both AC and DC control voltage options, the RZ3A relays feature LED status indication for applied control voltage and optional over-temperature alarm. They are ideal for applications such as plastic extrusion machines, thermoforming machines, and electrical ovens.

Authorized Distributors
Source:DigiKey
Part No:RZ3A40A55
Stock:7
Inv Date:05-29-2026
Price: Unit price: $283.1
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Part No:RZ3A40A55
Stock:2
Inv Date:05-30-2026
Price: Unit price: $283.1
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Part No:RZ3A40A55
Stock:0
Inv Date:05-29-2026
Price: Unit price: $288.76
Buy/RFQ:
Part No:RZ3A40A55
Stock:7
Inv Date:05-29-2026
Price: Unit price: $197.61
Buy/RFQ:
Part No:RZ3A40A55
Stock:7
Inv Date:05-29-2026
Price: Unit price: $197.61
Buy/RFQ:

CARLO GAVAZZI RZ3A40A55 3-Phase Solid State Relay Specifications:

  • Rated operational current: 3 x 25, 55 or 75 A
  • Rated operational voltage: Up to 690 VAC
  • Control voltage: 4-32 VDC or 24-275 VAC
  • Switching mode: zero switching
  • Protection: Integral snubber network, Built-in varistor, Over-temperature protection option with alarm output
  • IP rating: IP 10
  • Material: Noryl
  • Potting compound: Polyurethane
  • Weight: Approx. 380g
  • Rated isolation voltage: 4000 VACrms (Input to output, Output to case)
  • Pollution degree: 3
  • Operating temperature: -30° to +80°C
  • Storage temperature: -40° to +100°C
  • Junction temperature: +125°C

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Frequently Asked Questions

Where can I buy CARLO GAVAZZI RZ3A40A55?

You can click on the BUY or RFQ button to purchase RZ3A40A55 from an authorized CARLO GAVAZZI distributor.

How do I troubleshoot issues or seek technical support for part RZ3A40A55?

You can download the RZ3A40A55 datasheet or visit the CARLO GAVAZZI website for support.

Who is the manufacturer of RZ3A40A55?

CARLO GAVAZZI

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