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Eaton Cutler-Hammer SPB User Manual

Eaton Cutler-Hammer SPB
32 pages
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I.B. ATS-CP01
Effective 5/98
Cutler-Hammer
Instructions for Cutler-Hammer Closed Transition
Fixed Mount SPB Transfer Switch
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Eaton Cutler-Hammer SPB Specifications

General IconGeneral
Poles2, 3
Amperage100A
Voltage240 VAC
Interrupting Capacity/Rating22kA
StandardsCSA Certified

Summary

SECTION 1: INTRODUCTION

1.1 Preliminary Comments and Safety Precautions

Crucial safety instructions and warnings to prevent injury and equipment damage during operation.

1.1.1 Warranty and Liability Information

Legal disclaimer regarding product information, warranties, and limitations of liability.

1.2 General Information

Details on the physical design, construction, and internal arrangement of the transfer switch.

1.2.1 Transfer Switch Types

Overview and categorization of different types of automatic and non-automatic transfer switch equipment.

1.3 Transfer Switch Catalog Number Identification

A guide to interpreting the product's catalog number for specific configurations and features.

SECTION 2: RECEIVING, HANDLING AND STORAGE

2.1 Receiving

Procedures for inspecting and verifying the condition of the transfer switch upon delivery.

2.2 Handling

Guidelines and precautions for safely moving and transporting the transfer switch equipment.

2.3 Storage

Recommendations for proper indoor storage of the equipment to maintain its integrity and warranty.

SECTION 3: EQUIPMENT DESCRIPTION

3.1 General

A general overview of the transfer switch equipment, noting its single configuration and enclosure.

3.2 Power Panel

Details of the power panel, including main contacts, transfer mechanism, and load connections.

3.2.1 Main Contacts

Explanation of the insulated case switches acting as main contacts for power source connection.

3.2.2 Load

Description of how load side contacts are interconnected via a common bus bar assembly.

3.2.3 Transfer Mechanism

Information regarding the stored-energy mechanism used for transferring power between sources.

3.3 Voltage Selection Panel

Details of the multi-tap transformer panel enabling voltage selection for the system.

3.4 Logic Panel

Explanation of the logic panel's function in monitoring power sources and controlling transfer operations.

3.5 Neutrals

Information on the 100-percent-rated neutral connections provided with the transfer switches.

3.6 Options (Non-Logic Panel)

Description of various optional features available for enhancing the transfer switch functionality.

3.7 Enclosure

Details regarding the rugged steel enclosure, including its mounting and door features.

3.8 Standards

Information on the applicable NEMA, UL, and other industry standards the equipment adheres to.

SECTION 4: INSTALLATION AND WIRING

4.1 General

A general overview of the factory-wired and tested transfer switch installation requirements.

4.2 Mounting Location

Guidance on selecting a suitable, flat, and rigid mounting location for the transfer switch.

4.3 Mounting Procedure

Step-by-step instructions for safely unpacking and physically mounting the transfer switch enclosure.

4.4 Power Cable Connections

Detailed procedures and warnings for correctly connecting power cables to the transfer switch.

4.5 Voltage Selection Adjustment

Instructions for setting and calibrating the voltage selection panel before service.

4.6 Wiring

General wiring information and safety precautions for connecting control and power circuits.

4.6.1 Engine Start Connection

Specific instructions for connecting engine start wires to the designated terminal blocks.

4.6.2 Alarm Contacts

Information on connecting alarm contacts for remote alarming capabilities.

SECTION 5: OPERATION

5.1 General

General overview of the transfer switch's main contacts and stored-energy transfer mechanism.

5.2 Automatic Transfer Switch

Detailed explanation of the automatic transfer sequence, including power source failures and restorations.

SECTION 6: TESTING AND PROBLEM SOLVING

6.1 Testing

Procedures for performing mechanical and electrical tests on the transfer switch equipment.

6.2 Problem Solving

Comprehensive guide to diagnosing and resolving common operational issues with the transfer switch.

6.2.1 Transfer Switch Appears Inoperative

Steps to troubleshoot when the transfer switch shows no signs of operation or response.

6.2.2 Transfer Switch Will Not Automatically Transfer to Normal

Troubleshooting steps for when the switch fails to revert to the normal power source.

6.2.3 Transfer Switch Will Not Automatically Transfer to Emergency

Troubleshooting steps for when the switch fails to transfer to the emergency power source.

6.2.4 Transfer Switch Will Not Automatically Recharge Switches

Steps to diagnose and fix issues related to the automatic recharging of the switching mechanism.

SECTION 7: MAINTENANCE

7.1 Introduction

Introduction to the importance of regular inspection and maintenance for the transfer switch.

7.2 Procedures

Outlines a suggested schedule and actions for performing periodic maintenance on the equipment.

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