
6121 Baker Road,
Suite 108
Minnetonka, MN 55345
www.chtechnology.com
Phone (952) 933-6190
Fax (952) 933-6223
1-800-274-4284
Thank you for downloading this document from C&H Technology, Inc.
Please contact the C&H Technology team for the following questions -
Technical
Application
Assembly
Availability
Pricing
Phone – 1-800-274-4284
E-Mail – sales@chtechnology.com
www.chtechnology.com - SPECIALISTS IN POWER ELECTRONIC COMPONENTS AND ASSEMBLIES - www.chtechnology.com

Powerex, Inc., 173 Pavilion Lane, Youngwood, Pennsylvania 15697 (724) 925-7272 POW-R-BLOK
www.pwrx.com
AC Switch SCR Isolated Module
1330 Amperes RMS / Up to 2400 Volts
PA43__06
TM
Description:
Powerex AC Switch SCR Modules are
designed for use in applications requiring
phase control and isolated packaging. The
modules are isolated for easy mounting with
other components on a common heatsink.
Features:
Electrically Isolated Heatsinking
Compression Bonded Elements
Metal Baseplate
Low Thermal Impedance
for Improved Current Capability
Benefits:
No Additional Insulation
Components Required
Easy Installation
No Clamping Components
Required
Reduce Engineering Time
Applications:
Transfer Switches
AC Welders
Motor Soft Starters
Revision Date: 09/28/2009
Ordering Information:
Select the complete eight-digit
module part number from the table
below.
Example: PA432406 is a 2400 Volt,
600A Average/SCR (1330 Ampere
RMS/Switch) SCR AC Switch
Isolated POW-R-BLOK
Type
PA43
Voltage
Volts (x100)
16
18
20
22
24
TM
Module
Current
Amperes
(x100)
06
Average
Current
Per SCR