CD431490B Powerex - miscellaneous
CD431490B Description
The CD431490B is a dual SCR module (POW-R-BLOK) made by Powerex. Common uses are AC switches, soft starters, DC drives and controlled rectifiers in industrial power equipment. If you are repairing older equipment, we can usually find this exact part, including date codes that are no longer in production.
USComponent is a BBB A+ accredited distributor that specializes in power modules and industrial components, new and legacy. Ask us for a quote on the CD431490B; we ship worldwide. Please verify the ratings and package against the manufacturer's datasheet first.
Summary of Features
CD431490B is a 1,400 V, 90 A dual SCR module (POW-R-BLOK).
Target Applications
Powerex CD431490B is used for General Purpose Inverter, Uninterruptible Power Supply, Servo & Spindle Drive for CNC Machine Tools, Robotics (Servo Drive for Robots), Switching Power Supplies for Welding Machines.
Key Specifications
CD431490B is a 1,400 V, 90 A dual SCR module (POW-R-BLOK). Source: manufacturer datasheet.
| Parameter | Value |
|---|---|
| Product type | Dual SCR module (POW-R-BLOK) |
| Repetitive peak voltage (VDRM / VRRM) | 1,400 V |
| Rated on-state current | 90 A |
| Datasheet | Available on this page (PDF) |
Technical document (PDF) | Request a quote for CD431490B (reply within 24 hours)

