CD3000S family

Solid state relay

• Thyristor units up to 90A
• Applicable for resistive loads and infrared lamp
• Zero crossing firing available with logic input signal (SSR)
• Constant current drain with SSR input
• Analog input 4÷20mA or 0÷10V with burst firing 4, 8 or 16 cycle at 50% power demand, is available as an option from 35A to 90A
• Heater break alarm (HB) to diagnose partial or total load failure and short circuit on thyristor. Available as an option from 35A to 90A
• Side by side mounting
• Special design for heatsink with high dissipation
• IP20 protection
• Comply with EMC specification CE and cUL

CD3000S 1PH – From 10A to 90A

CD3000S 1PH


Technical Specification
  • Voltage power supply: 24V min, 480V Max, 600V on request
  • Input Signal: SSR , Analog 4÷20mA and 0÷10V is available as an option on units from 15A÷90A included
  • Firing: Zero crossing ZC / Burst Firing
  • Fan Voltage: Supply 230V ± 15% (110V is available as an option)
  • Heater Break Alarm: Discrimination better than 20%. * Circuit microprocessor based to diagnose partial or total load failure and short circuit on Thyristor. * Latching alarm plus reset. * Relay output 1A at 230V. * Automatic calibration of one or more unit at the same time using a dedicated digital input or using for each unit the calibration button.
  • Approvals: EMC; cULus available as an option on basic units
  • Mounting: Din rail mounting up to 90A included, bulkhead over 110A, IP20 protection
  • Operating Temperature: 0÷40° up to 90A included (for higher temperature see the derating curve)

CD3000S 2PH – From 10A to 90A

CD3000S 2PH


Technical Specification
  • Voltage power supply: 24V min, 480V Max, 600V on request
  • Input Signal: SSR (OFF state <1Vdc ON = 4÷30 Vdc) is standard up to 90A included. Analog input 4÷20mA and 0÷10V is available from 35A (included) to 90A (included)
  • Firing: Zero crossing ZC; Burst Firing 4/8/16 with 4÷20mA or 0÷10V with 12÷24V aux. power supply.
  • Fan Voltage: 230V ± 15% standard f(110V on request opt., if current ≥75A).
  • Heater Break Alarm: Discrimination better than 20%. * Circuit microprocessor based to diagnose partial or total load failure and short circuit on Thyristor. * Latching alarm plus reset. * Relay output 1A at 230V. * Automatic calibration of one or more unit at the same time using a dedicated digital input or using for each unit the calibration button.
  • Approvals: Comply with EMC; cULus available as an option on basic units.
  • Mounting: Din rail mounting up to 90A included.
  • Operating Temperature: 0÷40° up to 90A included (for higher temperature see the derating curve)

CD3000S 3PH – From 15A to 90A

CD3000S 3PH


Technical Specification
  • Voltage power supply: 24V min, 480V Max, 600V on request
  • Input Signal: SSR (OFF state <1Vdc ON = 4÷30 Vdc) firing.
  • Firing: Zero crossing ZC.
  • Auxiliary Voltage Supply: 10Va power consumption.
  • Fan Voltage: 230V ± 15%.
  • Approvals:Comply with EMC; cULus available as an option.
  • Mounting: Din rail mounting up to 90A.
  • Operating Temperature: 0÷40° up to 90A included (for higher temperature see the derating curve)

Copyright © 2010 - 2021 | Cd Automation S.r.l. - Via Pablo Picasso 34/36, Legnano, MI - Tel: +39 0331 577479 - Fax: +39 0331 579479 - PEC:cdautomationsrl@legalmail.it - PIVA:IT08925720156 - Tribunale di Milano REA:1255303 - Capitale sociale:€ 26.000,00 - All Rights Reserved.