Catalog Number AT-3C2X20---XSU 1, 2, 3, 4, 5h, 5j,
5k, 5l, 6b, 7, 8c, 8d, 12c, 12d, 12g, 12h, 14g, 14h,
23k, 26d, 26h, 26j, 26k, 32f, 35a, 42
Open Transition
240/120 V
60hz 2 Phase
3 Wire
Enclosure Type Type-3R
Continuous Current ----- Amps
ATS Logic Instruction
Test.PDF
AT--3C2 3
1. Time Delay Normal to Emergency
2. Time Delay Engine Start
3. Time Delay Emergency to Normal
4. Time Delay Engine Cool-off
5h. Source 2 ALL Phase Rotation Protection
5j. Source 2 All Phase Undervoltage/Underfrequency
Protection
5k. Source 2 All Phase Overvoltage/Overfrequency
Protection
5l. Source 2 Three Phase Voltage Unbalance/Loss
6b. Test Pushbutton
7. Time Delay Engine Fail
8c. Time Delay Bypass Emergency to Normal
8d. Time Delay Bypass Normal to Emergency
12c. Pilot Light Normal Position
12d. Pilot Light Emergency Position
12g. Pilot Light Normal Source Available
12h. Pilot Light Emergency Source Available
14g. Normal (S1) Source Present 2NO/2NC
14h. Emergency (S2) Source Present 2NO/2NC
23k. Auto Plant Exerciser 1/7/14/28 Day
26d. Go To Source 2
26h. Source 1 All Phase Rotation Protection
26j. Source 1 All Phase Undervoltage/Underfrequency
Protection
26k. Source 1 All Phase Overvoltage/Overfrequency
Protection
32f. In-Phase Monitor
35a. Pre-Transfer Signal Contacts 1NO/1NC
42. Seismic Zone 4 Qualified (BOCA,CBC,IBC,UBC