Vanguard MCCB-250 Manual do Utilizador

Consulte online ou descarregue Manual do Utilizador para Acessórios para eletricidade Vanguard MCCB-250. Vanguard MCCB-250 User Manual Manual do Utilizador

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MCCB-250
MOLDED-CASE CIRCUIT BREAKER TESTER
USER’S MANUAL
Vanguard Instruments Company, Inc.
1520 S. Hellman Ave.
Ontario, California 91761, USA
TEL: (909) 923-9390
FAX: (909) 923-9391
September 2009
Revision 2
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Resumo do Conteúdo

Página 1 - MCCB-250

MCCB-250MOLDED-CASE CIRCUIT BREAKER TESTER USER’S MANUAL Vanguard Instruments Company, Inc.1520 S. Hellman Ave. Ontario, California 9176

Página 2 - SAFETY SUMMARY

MCCB-250 USER’S MANUAL REV 2 7 2.2 MCCB-250 Current Output Control The MCCB-250 current source output is controlled by the [UP ARROW] and [DOWN ARR

Página 3 - LIST OF FIGURES

REV 2 MCCB-250 USER’S MANUAL 8 2.3 Timer Stop Input and Control After a test is started, the MCCB-250 timer can be stopped and the current sour

Página 4 - [INPUT], [KNOB]

MCCB-250 USER’S MANUAL REV 2 9 2.4 MCCB-250 Timer The MCCB-250’s built-in time/cycle counter can be used to time events in milliseconds and cycles.

Página 5 - 1.0 INTRODUCTION

REV 2 MCCB-250 USER’S MANUAL 10 3.0 OPERATING PROCEDURES 3.1 Testing the Time Delay of a Protection Relay Figure 3 illustrates a typical connec

Página 6

MCCB-250 USER’S MANUAL REV 2 11 Use the steps below to test the time delay of a protection relay: a. Connect the Safety Ground to the MCCB-250. b.

Página 7

REV 2 MCCB-250 USER’S MANUAL 12 3.2 Measuring Current Transformer Primary and Secondary Currents Figure 4 shows a typical connection of the MCC

Página 8 - MCCB-250 USER’S MANUAL REV 2

MCCB-250 USER’S MANUAL REV 2 13 Follow the steps below to measure the CT primary and secondary currents: a. Connect the Safety Ground to the MCCB-2

Página 9 - 2.0 FUNCTIONAL DESCRIPTION

1520 S. Hellman Ave • Ontario, CA 91761 • USA Phone: 909-923-9390 • Fax: 909-923-9391 www.vanguard-instruments.com

Página 10

MCCB-250 USER’S MANUAL REV 2 i SAFETY SUMMARY FOLLOW EXACT OPERATING PROCEDURES Any deviation from the procedures described in this User’s Manual

Página 11 - [TIMER STOP] terminals

REV 2 MCCB-250 USER’S MANUAL ii TABLE OF CONTENTS CONVENTIONS USED IN THIS DOCUMENT ...

Página 12

MCCB-250 USER’S MANUAL REV 2 1 CONVENTIONS USED IN THIS DOCUMENT This document uses the following conventions: • A key, switch, input, or knob on t

Página 13 - 3.0 OPERATING PROCEDURES

REV 2 MCCB-250 USER’S MANUAL 2 1.0 INTRODUCTION 1.1 General Description and Features The MCCB-250 is a programmable, high-current source design

Página 14

MCCB-250 USER’S MANUAL REV 2 3 1.3 MCCB-250 Technical Specifications Table 1. MCCB-250 Technical Specifications TYPE 250 Ampere current source PHY

Página 15 - [EXT CURRENT] input

REV 2 MCCB-250 USER’S MANUAL 4 1.4 Controls and Indicators The MCCB-250’s controls and indicators are shown in Figure 1. A leader line with an

Página 16

MCCB-250 USER’S MANUAL REV 2 5 Table 2. Functional Descriptions of MCCB-250 Controls and Indicators Item Number Panel Markings Functional Descripti

Página 17

REV 2 MCCB-250 USER’S MANUAL 6 2.0 FUNCTIONAL DESCRIPTION 2.1 MCCB-250 AC Current Source The MCCB-250 provides five AC current outputs (items

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