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CARLO GAVAZZI RZ3A40D25 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 are ideal for controlling heating elements, motors, and transformers. The RZ3A40D25 model specifically offers a rated operational current of 3 x 25A and a control voltage of 4-32 VDC. The built-in varistor secures transient protection, while the DCB substrate enhances reliability and load cycle capability. Available in AC or DC control versions, these relays provide reliable switching with LED status indication for control voltage and over-temperature alarm (optional).

Authorized Distributors
Source:Newark
Part No:RZ3A40D25
Stock:4
Inv Date:05-29-2026
Price: Unit price: $330.82
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Source:DigiKey
Part No:RZ3A40D25
Stock:5
Inv Date:05-29-2026
Price: Unit price: $242.25
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Part No:RZ3A40D25
Stock:5
Inv Date:05-30-2026
Price: Unit price: $242.25
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Part No:RZ3A40D25
Stock:13
Inv Date:05-29-2026
Price: Unit price: $247.1
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Part No:RZ3A40D25
Stock:3
Inv Date:05-29-2026
Price: Unit price: $169.1
Buy/RFQ:
Part No:RZ3A40D25
Stock:3
Inv Date:05-29-2026
Price: Unit price: $169.1
Buy/RFQ:

CARLO GAVAZZI RZ3A40D25 3-Phase Solid State Relay Specifications:

  • Rated operational voltage: Up to 690 VAC
  • Rated operational current: 3 x 25, 55 or 75 A
  • Control voltage: 4-32 VDC or 24-275 VAC
  • Switching mode: Zero switching
  • Protection: Integral snubber network, Built-in varistor, Over-temperature protection option
  • IP rating: IP 10
  • Material: Noryl
  • Potting compound: Polyurethane
  • Weight: Approx. 380g
  • Rated isolation voltage: 4000 VACrms
  • Pollution degree: 3
  • Rated operational current (3 x 25 A): AC 51 @ Ta = 25°C
  • Rated operational current (3 x 55 A): AC 53a @ Ta = 25°C
  • Rated operational current (3 x 75 A): AC 53a @ Ta = 25°C
  • Min. operational load current: 150 mArms
  • Rep. overload current (t=1 s): 37 Arms
  • Non-rep. surge current (t=10 ms): 325 Ap
  • Off-state leakage current: < 3 mArms
  • Response time pick-up (50 Hz): 10 ms
  • Response time drop-out (50 Hz): 10 ms
  • 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 RZ3A40D25?

You can click on the BUY or RFQ button to purchase RZ3A40D25 from an authorized CARLO GAVAZZI distributor.

How do I troubleshoot issues or seek technical support for part RZ3A40D25?

You can download the RZ3A40D25 datasheet or visit the CARLO GAVAZZI website for support.

Who is the manufacturer of RZ3A40D25?

CARLO GAVAZZI

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