BILS-10003 rev E
15
302-2 Minimum input over-current protection (Hardwired Installations)
Table 302-1
Minimum input circuit breaker and wire size requirements for hardwired installation
Unit Size
Input Voltage
120
208
240
Circuit
Breaker
Wire
Size
Circuit
Breaker
Wire
Size
Circuit
Breaker
Wire
Size
2kVA / 1.6kW
30A
12
15A
14
15A
14
3kVA / 2.4kW
30A
10
20A
12
20A
12
4kVA / 3.2kW
50A
8
30A
10
30A
10
6kVA / 4.8kW
60A
6
40A
8
40A
8
8kVA / 6.4kW
-
-
60A
6
50A
8
10kVA / 8kW
-
-
70A
4
60A
6
16kVA / 12.8kW
-
-
100A
2
90A
3
20kVA / 16kW
-
-
125A
1/0
110A
1
Use a minimum of 75
°
C rated wire. Consider all other applicable national or local electrical codes.
302-3 Installation Wiring Connection Diagrams
Please refer to the wiring connection diagram for application being used.
Figure 1
120 VAC Input with External Bypass Switch
Figure 2
208 or 240 VAC Input with External Bypass Switch
Figure 3
208/120 VAC Utility Voltage and External MBB Bypass Switch
