4
Instruction Book
IB02707112E
August 2015
50/75VCPW-VSR
Breaker To Vacuum Starter Replacement Unit
EATON CORPORATION www.eaton.com
SECTION 1: INTRODUCTION
The purpose of this book is to provide instructions for receiving
and handling, storage, installation, operation and maintenance of
the Westinghouse
*
type VCP-W Medium Voltage Vacuum Starter
Replacement (also referred to as VSR-Series). The Vacuum Starter
Replacement units are designed to be used in existing type VCP-W
metalclad switchgear and provide equal of superior electrical and
mechanical performance as compared to the design ratings of the
original power circuit breakers when switching motors. VSR-Series
Units provide reliable control, protection and performance, with ease
of handling and maintenance. Like ratings are interchangeable with
each other.
This book is intended to be used in conjunction with the technical
information provided with the original equipment order which
includes, but is not limited to electrical control schematics and wiring
diagrams, outline diagrams, installation plans, and procedures for
installation and maintenance of accessory items.
Satisfactory performance is dependant upon proper application,
correct installation, and adequate maintenance. It is strongly
recommended that this instruction book be carefully read and
followed in order to realize optimum performance and long useful life
of the unit.
Note:
N
* Westinghouse may also be designated as Cutler-Hammer and/or
Eaton.
WARNING
SATISFACTORY PERFORMANCE OF THESE UNITS ARE CONTINGENT
UPON PROPER APPLICATION, CORRECT INSTALLATION AND ADEQUATE
MAINTENANCE. THIS INSTRUCTION BOOK MUST BE CAREFULLY READ
AND FOLLOWED IN ORDER TO OBTAIN OPTIMUM PERFORMANCE FOR
LONG USEFUL LIFE OF THE UNITS. IT IS FURTHER RECOMMENDED THAT
THE INSTALLATION BE PERFORMED BY A EATON CORPORATION TRAINED
ENGINEER OR TECHNICIAN.
VSR-SERIES UNITS ARE PROTECTIVE DEVICES, AS SUCH, THEY ARE
MAXIMUM RATED DEVICES. THEREFORE, THEY SHOULD NOT UNDER ANY
CIRCUMSTANCE BE APPLIED OUTSIDE THEIR NAMEPLATE RATINGS.
ALL POSSIBLE CONTINGENCIES WHICH MIGHT ARISE DURING
INSTALLATION, OPERATION, OR MAINTENANCE, AND ALL DETAILS
AND VARIATIONS OF THIS EQUIPMENT ARE NOT COVERED BY THESE
INSTRUCTIONS. IF FURTHER INFORMATION IS DESIRED BY THE
PURCHASER REGARDING A PARTICULAR INSTALLATION, OPERATION, OR
MAINTENANCE OF THIS EQUIPMENT, THE LOCAL EATON’S ELECTRICAL
SERVICES & SYSTEMS REPRESENTATIVE SHOULD BE CONTACTED.
1.1 AVAILABLE VCPW-VSR UNITS
Refer to Table 1.1
Tablt 1. VCPW-VSR Availabilioy and Inotrchangtabilioy
Original Breaker Type
MV-VSR Breaker
To Vacuum Starter
Replacement Unit
BIL
kV
Rated Maximum
kV
Contactor Amps
Maximum Fuse
Rating Amps
Fused Short
Circuit Rating
kA
Maximum
Continuous
Amps
50VCP-W 250-1200A
50VCPW-VSR-250-290A
60
4.76
400
230
50
230
50VCP-W 250-1200A
50VCPW-VSR-250-390A
60
4.76
400
390
50
390
50VCP-W 350-1200A
50VCPW-VSR-350-290A
60
4.76
400
230
50
230
50VCP-W 350-1200A
50VCPW-VSR-350-390A
60
4.76
400
390
50
390
75VCP-W 500-1200A
75VCPW-VSR-500-290A
60
7.2
400
230
50
230
75VCP-W 500-1200A
75VCPW-VSR-500-390A
60
7.2
400
390
50
390
