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Square D > On-line Catalog > Products > Load Centers > QO® Load Centers: 3Ø, Main Lugs, Main Circuit Breaker

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QO® Load Centers

3Ø, Main Lugs, Main Circuit Breaker

Class 1130 / Refer to Catalog 1100CT0501

Table 1.22:
3Ø4W 208Y/120 Vac, 3Ø4W 240/120 Vac Delta and 3Ø3W 240 Vac Delta, UL Listed.(Order QO, QO-GFI, QO-AFI, QO-PL branch circuit breakers from pages 1-2 and 1-3.)
Max. Number
of 1P QO
circuit breakers
Fixed Mains—Factory-installed Main Lugs—Copper Bus—65 kA Short Circuit Current Rating a
60 A
3
10–6
6–2/0
6–2/0
7
7
6–250
6–250
9
9
74.00 i
6–300
6–300
Convertible Mains—Factory-installed QDL Main Circuit Breaker—Copper Bus—25 kA Short Circuit Current Rating b
4–2/0
4–2/0
9
4–300
4–300
12.50
4–300
4–300
4–300
4–300
4–300
4–300
Fixed Mains—Factory-installed Main Lugs—Copper Bus—65 kA Short Circuit Current Rating ae
10–6