Specifications
February 2007
16-38
For more information visit: www.eaton.com CA08101001E
Transfer Switches
16
Transfer Switch Equipment
ATC Controller — Selection Guide
Table 16-43. ATC Controller Feature Selection Chart
Feature
Description
ATC-100 ATC-300 ATC-600 ATC-800
Transition
Open Transition Standard Standard Standard Standard
Closed Transition Not Available Not Available Not Available Standard
Timers
Time Delay Normal to Emergency (TDNE) Standard Standard Standard Standard
Time Delay Engine Start (TDES) Standard Standard Standard Standard
Time Delay Emergency to Normal (TDEN) Standard Standard Standard Standard
Time Delay Engine Cooldown (TDEC) Standard Standard Standard Standard
Time Delay Emergency Fail (TDEF) Standard Standard Standard Standard
Engine/Generator exerciser
Plant Exerciser (PE) with Fail-safe Selectable — OFF, 7,
14, 28 Day Interval
Selectable Run Time
0 – 600 Minutes No
Load/Load with
Fail-safe
Programmable — OFF,
Daily, 7, 14, 28 Day
Interval Selectable Run
Time 0 – 600 Minutes
No Load/Load with
Fail-safe
Programmable — OFF,
Daily, 7, 14, 28 Day
Interval Selectable Run
Time 0 – 600 Minutes
No Load/Load with
Fail-safe
Programmable — OFF,
Daily, 7, 14, 28 Day
Interval Selectable Run
Time 0 – 600 Minutes
No Load/Load with
Fail-safe
Source 1 Sensing
All-Phase Undervoltage and Underfrequency Protection Standard Standard Standard Standard
All-Phase Overvoltage and Overfrequency Protection Standard Standard Standard Standard
Three-Phase Rotation Sensing Not Available Standard Standard Standard
Three-Phase Voltage Unbalance/Loss Not Available — — —
Source 2 Sensing
All-Phase Undervoltage and Underfrequency Protection Standard Standard Standard Standard
All-Phase Overvoltage and Overfrequency Protection Standard Standard Standard Standard
Three-Phase Rotation Sensing Not Available Standard Standard Standard
Three-Phase Voltage Unbalance/Loss Not Available — — —
Manual Controls
Test Operators Standard Standard Standard Standard
4-Position Test Selector Switch (FPSS) Not Available Optional Optional Optional
Time Delay Bypass Pushbutton Standard Standard Standard Standard
Maintenance Selector Switch (MSS) Not Available Not Available Not Available Not Available
Automatic/Manual Operation Selector Switch Not Available Optional Optional Optional
Automatic Transfer or Automatic Transfer with
Non-Automatic Re-Transfer Operation
Not Available Optional Optional Optional
Indications/and Status Display
Source 1 Connected/Source 2 Connected Standard Standard Standard Standard
Source 1 Present/Source 2 Present Standard Standard Standard Standard
Source 1 Tripped/Source 2 Tripped Standard Standard Standard Standard
Customer Outputs
Source 1/Source 2 Present Contacts Not Available Optional 2NO & 2NC Optional 2NO & 2NC Optional 2NO & 2NC
Source 1/Source 2 Present Contacts Not Available Optional 2NO & 2NC Optional 2NO & 2NC Optional 2NO & 2NC
Source 1 Available/Source 2 Available Contacts Not Available Optional 2NO & 2NC Optional 2NO & 2NC Optional 2NO & 2NC
Switch Position Indication Contact
Source 1 Position Indication Contact Not Available 2NO & 2NC 2NO & 2NC 2NO & 2NC
Source 1 Position Indication Contact Not Available 2NO & 2NC 2NO & 2NC 2NO & 2NC
Pre-transfer Signal Contacts — Standard 1NO & 1NC Standard 1NO & 1NC Standard 1NO & 1NC
Customer Inputs
Go to Emergency (Source 2) ————
Load Shed Not Available Not Available Optional Optional