Vacuum Interrupters, Inc. stocks a replacement for the ITT Jennings / Allis-Chalmers RP-728B vacuum interrupter for use in Siemens / Allis-Chalmers FCV-750 vacuum circuit breakers. The RP-728B is a component in the Siemens-Allis vacuum tube assembly numbers 18-393-620-503 and 18-393-620-504.*
Our RVI-RP-728B vacuum interrupter is rated 2000Amps, 15kV, 28kA, the same as the original RP-728B vacuum interrupter.
Use this link to view or download a pdf file with details of our replacement RP-728B vacuum interrupter.
Features:
Impulse tested to ANSI C37
AC withstand test to ANSI C37
High cumulative and high breaking capacity
Ultra-small and light-weight
High reliability due to stringent testing
Fine alumina ceramic for excellent vacuum seal
Cu-Cr contact for excellent high voltage insulation and breaking performance
Exclusive internal torsion control
Full one year warranty
• In shop replacement at our facility
• Field replacement at your facility
• Local replacement at nearest Group CBS affiliate service location
When you have vacuum interrupter failure, or for additional information or to discuss your requirements, contact us for immediate assistance.
Replacement for the RP-728B vacuum interrupter
is a component in vacuum bottle pole assembly
part number 18-393-620-503 and 18-393-620-504
* All manufacturers names, trademarks and part numbers are used for reference purposes only. Vacuum Interrupters Inc. is not an authorized distributor or representative for the listed manufacturers. Designated trademarks, brand names and brands appearing herein are the property of their respective owners.