Eaton ATC-300 User Manual

IB140042EN For more information visit: www.eaton.com
O & M Manual for the EATON ATC-300+/900
Breaker Based Transfer Switch
Instruction Booklet
Description Page
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Receiving, Handling, and Storage . . . . . . . . . . . . . . . . . 6
Equipment Description. . . . . . . . . . . . . . . . . . . . . . . . . 7
Installation and Wiring . . . . . . . . . . . . . . . . . . . . . . . . 18
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Testing and Problem Solving . . . . . . . . . . . . . . . . . . . . 30
Adjustments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Renewal Parts Guide . . . . . . . . . . . . . . . . . . . . . . . . . 33
ATC-300 Controlled ATS Quick Start Instructions . . . . . 35

Eaton ATC-300 Specifications

General

Amperage	300 A
Poles	3
Current Rating	300 A
Number of Poles	3
Category	Switch
Type	Automatic
Frequency	60 Hz
Operation	Automatic

Summary

Introduction to Eaton ATS Equipment

Preliminary Comments and Safety

Overview of preliminary comments, warnings, and safety precautions.

Equipment Description and Components

Power Panel Components

Controller and Feature Details

Describes the ATC-300/900 controllers and lists available standard and optional features.

Installation and Wiring Guide

General Installation and Mounting

Wiring and Connections

Details power cable connections, wiring methods, and engine start connections.

Voltage Selection Adjustments

ATS Operation Procedures

Manual Operation Procedures

Automatic Transfer Sequence

Describes the automatic transfer process during power source failures and restoration.

Testing and Problem Solving

Testing Procedures

Outlines mechanical and electrical tests to verify ATS functionality and safety.

Problem Solving Guidelines

Adjustments and Programming

Controller Adjustments and Programming

ATC-300 Controlled ATS Quick Start Instructions

Mounting and Cable Installation

Guides on mounting the ATS and installing power cables correctly.

Generator and Utility Connection

Configuration and Testing

Details on viewing setpoints, manual start, and performing tests for verification.