Eaton Cutler-Hammer ATC-300 - 5.5 Output Relay

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Instruction Booklet
Page 16 Effective: April 2006
ATC-300 Automatic
Transfer Switch Controller
The latched coil relay is UL/CSA rated at 5 A, 1/6 HP, 250 Vac.
The DC rating is 5 A, 30 Vdc, with a 150 W maximum load. The
remaining conventional relays are UL/CSA rated at 10 A, 1/3 HP,
250 Vac. The DC rating is 10 A at 30 Vdc.
Note: The ATC-300 Controller MUST BE properly grounded at J-5, Pin 12
for proper operation.
The Output Relay functions are divided into two categories:
• Customer Connections and
• Transfer Operation Contacts.
5.5.1 Output Relay Descriptions
Specifically the relay functions are as follows.
5.5.1.1 Customer Connections
THE ATC-300 CONTROLLER MUST BE PROPERLY GROUNDED AT J-
5, PIN 12 FOR PROPER OPERATION.
Figure 5. Connector Output Relay Connections.
CAUTION
123
4
56
7
8
9
10
11 12 13
14
123
4
56
7
8
9
10
11 12 13
14
123
4
56
7
8
9
10123
4
56
7
8
9
10
J5
J7
J2
J1
J4
1
2
3
4
5
1
2
3
4
5
J3
Phase C
Phase B
Phase A
Source 1
Phase C
Phase B
Phase A
Source 1
Phase C
Phase B
Phase A
Source 2
Phase C
Phase B
Phase A
Source 2
S1 - Line
S1 - Neut
S2 - Line
Control
Power
S2 - Neut
Clk
In
Out
5V
Gnd
Programming
Port
K1 - (Com)
K1 - (NO)
K2 - (Com)
K2 - (NO)
Pretransfer - (Com)
Pretransfer - (NO)
Pretransfer - (NC)
Alarm - (Com)
Alarm - (NO)
Alarm - (NC)
Earth Ground
Gen Start - (Com)
Gen Start - (NO)
Output Relays
+32 VDC
Source 1 Closed
+32 VDC
Source 2 Closed
+32 VDC
Lockout
+32 VDC
Go To Source 2
+32 VDC
Monitor Mode
Control Inputs
8.0 in.
6.5 in.
3
4
1
2
Output
Relays
J8
K4 NO
K4 C om
K3 NO
K3 Com
6
7
Rx
Tx
J5 CONNECTOR