Eaton ATC-300 O & M Manual

IB01602015E For more information visit: www.eaton.com
O & M Manual for ATC-300 2-Position
Contactor Based Transfer Switch
Instruction Booklet
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Description Page
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Receiving, Handling, and Storage . . . . . . . . . . . . . . . . . . . 6
Equipment Description . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Installation and Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . .14
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20
Testing and Problem Solving . . . . . . . . . . . . . . . . . . . . . . .21
Adjustments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
Renewal Parts Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . .24
ATC-300 Contactor Based ATS Quick Start Instructions . . .25
Appendix A: Pickup / Dropout Tables . . . . . . . . . . . . . . . . .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