Vanguard UPS S2 User Manual download pdf (Page 5)

Operating Procedures UPS-S2

1.0 INTRODUCTION

1.1.General Description

The Vanguard Universal Power Supply Series 2 (UPS-S2) is designed and produced to meet a

utility company’s substation need for an independent AC/DC power source. Both the AC and

DC voltage sources are capable of supplying 10 amperes continuously.

The variable output DC power supply (1-300Vdc) is ideal for use as a substitute primary power

source when station batteries are not available. It is ideal for operating Circuit Breakers,

powering substation relays, or for unregulated charging of substation batteries.

The AC power supply is a variable (1-240Vac) isolated power source that can be used to power

other equipment in the substation.

Main features of the Universal Power Supply are:

1. All output power sources are isolated from the primary power input by an isolation

transformer.

2. Voltage outputs are continuously variable (auto-transformer) with a Front Panel

control knob.

3. The Universal Power Supply’s primary power input is user selectable to be either

120Vac or 240Vac.

4. All voltage outputs are capable of supplying a continuous 10 ampere load

5. The power output routing path is clearly outlined on the Control Panel, which allows

users to intuitively make the appropriate control function selections for the desired

operating configuration.

The UPS-S2 is contained in a heavy duty, impact resistance plastic case. Each Universal Power

Supply is warranted by Vanguard Instruments Incorporated for one year and covers parts and

labor for failures resulting under normal use.

1.4 Furnished Test Accessories

The UPS-S2 is supplied with a power cord, one ground cable, two 10-foot test lead sets with

alligator clips.

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Vanguard UPS S2 User Manual Page 5