CD421240B Powerex - miscellaneous

CD421240B Description

Powerex makes the CD421240B, a dual SCR module (POW-R-BLOK). Typical applications include soft starters, AC power controllers, controlled rectifiers, DC motor drives and heating control.

USComponent (Young & New Century LLC) supplies power modules, thyristors, diodes and other industrial components, including legacy parts. Contact us for a quote on the CD421240B, and please confirm ratings against the datasheet before ordering.

Summary of Features

Target Applications

Powerex CD421240B 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

CD421240B is a 1,200 V, 40 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)	1,200 V
Rated on-state current	40 A
Datasheet	Available on this page (PDF)

Technical document (PDF)  |  Request a quote for CD421240B (reply within 24 hours)