
DE3
CIRCUIT BREAKERS
01/15
DE3-10
QO™ and QOU Miniature Circuit Breakers
QO™ Miniature Circuit Breakers
QO™ miniature circuit breakers are plug-on products for use in QO load centers, NQOD panelboards, NQOD OEM interiors or Speed-D™
switchboard distribution panels. Bolt-on QOB circuit breakers are for use in NQOD panelboards or interiors.a
The QO exclusive Qwik-Open™ mechanism, with a trip reaction within 1/60th of a second, is standard on all 1P 15 A and 20 A QO circuit breakers.
QO 1P
1 Space Required
QOT 1P Tandem
1 Space Required
QO 2P
2 Spaces Required
4 Spaces Required
QO2200 2P 200 A
QO 3P
3 Spaces Required
Plug-On Circuit Breakers QO-QOB Ring Terminal (20% $ Price
Adder)—Factory Installed Only
Amperes
Rating b
1P—120/240 V ac
2P—120/240 V ac
Common Trip
2P—240 V acc
Common Trip
3P—240 Vac
Common Trip
Ampere Rating Poles Suffix
Cat. No. Cat. No. Cat. No. Cat. No.
10 k AIR 10–30 A 1, 2, 3 5237
10 A QO110 QO210 — QO310 35–60 A 1,2
5238
15 A QO115 cd QO215c QO215H QO315c 35–50 A 3
20 A QO120 cd QO220c QO220H QO320c 70–110 A 2
5273
25 A QO125c QO225c QO225H QO325c 60–100 A 3
30 A QO130c QO230c QO230H QO330c
35 A QO135 c QO235c — QO335c
Wire Sizesb
40 A QO140 c QO240c QO240H QO340c
Circuit Breaker
Type
Ampere
Rating
Wire Size
(AWG/kcmil)
45 A QO145c QO245c — QO345c
50 A QO150c QO250c QO250H QO350c
QO
1P
10–30 A 14–8 Al/Cu
60 A QO160c QO260c QO260H QO360c 10–30 A (2) 14–10 Cu
70 A QO170c QO270c QO270H QO370c 35–70 A 8–2 Al/Cu
80 A — QO280c QO280H QO380c
QO
2P
10–30 A 14–8 Al/Cu
90 A — QO290c QO290H QO390c 10–30 A (2) 14–10 Cu
100 A — QO2100c QO2100H QO3100c 35–70 A 8–2 Al/Cu
110 A — QO2110c — — 80–125 A 4–2/0 Al/Cu
125 A — QO2125c — — 150–200 A 4–300 Al/Cu
150 A — QO2150cej — —
QO
3P
10–30 A 14–8 Al/Cu, (2) 14-10 Cu
175 A — QO2175cej — — 35–70 A 8–2 Al/Cu
200 A — QO2200cej — — 80–125 A 4–2/0 Al/Cu
Molded Case Switch 60 A max.–240 Vac — QO200 QO300 QOB-VH 110–150 A 4–300 Al/Cu
Molded Case Switch 100 A max.–240 Vac — QO2000h QO3000h QO T 15–20 A
12–8 Al 14–8 Cu
22 k AIRc
QO-AFI, QO-GFI
& QO-EPD
15–30
A 12–8 Al 14–8 Cu
15 A QO115VHd QO215VHf — QO315VHf
40, 50, 60 A 12–4 Al 14–6 Cu
20 A QO120VHd QO220VHf — QO320VHf
QO-PL 10–60 A 12–2 Al 14–2 Cu
25 A QO125VH
QO225VHf
— QO325VHf
30 A QO130VH
QO230VH
f — QO330VHf
40 A — QO240VHf — QO340VHf
50 A — QO250VHf — QO350VHf
60 A — QO260VHf — QO360VHf
70 A — QO270VHf — QO370VHf
80 A — QO280VHf — QO380VH
f
90 A — QO290VHf — QO390VHf
100 A — QO2100VHfg — QO3100VH
f
110 A — QO2110VHfg — —
125 A — QO2125VHfg — —
150 A — QO2150VHe
fj — —
175 A — QO2175VHefj — —
200 A — QO2200VHefj — —
42 k AIRc
Replacement Tandem Circuit Breakers
For Use in Old Style Non-Class CTL
QO Load Centers—10 k AIR
40 A — QOH240h — —
45 A — QOH245h — —
50 A — QOH250h — —
Ampere Ratingb Cat. No.c $ Price
60 A — QOH260h — —
1P—120/240 V ac—1 Space Required
70 A — QOH270
— — 15 &A 15 A QO1515
80 A — QOH280
— — 15A&20A QO1520
90 A — QOH290
— — 20A&20A QO2020
100 A — QOH2100
— — 20A&30A QO2030
110 A — QOH2110h — — 30A&20A QO3020
125 A — QOH2125
— — T w o 1P Individual Trip—120/240 V ac—2 Spaces Required
65 k AIRc 15A&15A
Order Two QO1515 or QO2020 circuit
breakers
and handle tie QOTHT for
common switching of center two poles.
15 A QH115d QH215
— QH315c 15A&20A
20 A QH120d QH220
— QH320
20A&20A — —
25 A QH125h QH225h — QH325h 20A&30A QO20303020i
30 A QH130
QH230
— QH330
30A&20A — —
a See Section 1 for load centers, and Section 5 for panelboards and interiors.
b 10–30 A circuit breakers are suitable for use with 60
o
Cor75
o
C conductors. 35–125 A circuit breakers
are suitable for use with 75
o
C con Delta systems.
c CSA/UL Listed as HACR type for use with air conditioning, heating and refrigeration equipment having
motor group
combinations and marked for use with HACR type circuit breakers.
d CSA/UL Listed
as SWD (switching duty) rated. Suitable for switching 120 Vac fluorescent lighting
loads.
e Requires four
spaces (1 AWG–300 kcmil Al/Cu.) Suitable for switching 120 Vac fluorescent lighting
loads.
f CSA/UL Listed
for use ahead of QO, QO-GFI, QO-EPD, QO-AFI, QOT,QOCAFI, and QO-PL 10 k AIR
circuit breakers to permit their application at 22 kA fault level.
g 100 A maximum branch mounted opposite.
h Order only.
Contact your local Field Office.
i Includes two
circuit breakers (one QO2030 and one QO3020) and handle tie QOTHT.
j Not suitable for use in 3Ø panels. Use only in 1Ø panel rated 150 A or greater.
Interr
upting Ratings ................................... P
ageDE3-2
Accessories ........................................ P
ageDE3-12
Dimensions......................................... P
ageDE3-54
Class 730, 731, 733 / Refer to Catalog 0730CT9801
DE3_p10.fm Page 10 Saturday, January 10, 2015 2:11 AM
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