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3.3.3 Customer Connections (Input and Output)
1)
Verify that the main input circuit breaker, battery circuit breaker, and output circuit breaker(s),
if provided, are in the "OFF" position. See illustration 2-2 for the location of the circuit
breakers.
2)
Run the wire through the space between shelf and cabinet using provided knockouts.
3)
Connect the input wires to the input terminal block, TB10. Five (5) wires total: Phase A, Phase
B, Phase C, neutral, and ground.
• Connect Phase A, B, C.
From
Reserve
Power
Input Source
• Please refer to the functional diagram for Dual Input Power System Illustration 2-4
4)
Connect the output wires to the output terminal block, TB12. Five (5) wires total: Phase A,
Phase B, Phase C, neutral, and ground.
5)
Connect the battery wires from external battery cabinet (if provided) to battery terminal block,
TB6, three (3) wires total for (+), (-), and Ground.
This concludes the electrical connections.
Do not apply power to the Protector 3 at this time.
Caution
REFER TO BATTERY CONNECTION DIAGRAM
Input C/B
Battery C/B
Output C/B
Maintenance
Bypass Switch
5 Form "C"
Alarm Terminal
1
Phase A
2
Phase 2
3
Phase 3
4
Neutral or Ground for Delta connection
Aux. Output
Circuit Breaker
ILLUSTRATION 3-3: Protector 3 Customer Connection
Netural Bus
Output TB
3-5
Ground TB
Input TB
Battery TB
Reserve Aux.
Input TB
(Optional)
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