Technical Data Bulletin

© 2020 Schneider Electric
All Rights Reserved
10/30/2020
1-3
www.se.com/us
QO Plug-On Circuit Breakers QO™ Miniature Circuit Breakers
Class 730, 731, 733 / Refer to Catalog: 0730CT9801
QO Standard Plug-On Circuit Breakers
Square D brand QO miniature circuit breakers are plug-on products for use in QO load
centers, NQOD and NQ panelboards, NQOD and NQ OEM interiors or Speed-D
™
switchboard distribution panels. Bolt-on QOB circuit breakers are for use in NQOD and
NQ panelboards or interiors.
[1]
The Square D exclusive Qwik-Open
™
mechanism, with a trip reaction within 1/60th of a
second, is standard on all 1P 15 and 20 A QO circuit breakers.
QO 1P
1 Space Required
QO 2P
2 Spaces Required
QO 3P
3 Spaces Required
QO2200 2P 200 A
4 Spaces Required
Table 1.1: Standard QO Plug-On Circuit Breakers
Amperes
Rating [2]
1P—120/240 Vac
2P—120/240 Vac
Common Trip
2P—240 Vac [3]
Common Trip
3P—240 Vac
Common Trip
10 k AIR
10 A
QO110 QO210
—
QO310
15 A
QO115 [4] [5] QO215 [4]
QO215H
QO315 [4]
20 A
QO120 [4] [5] QO220 [4]
QO220H
QO320 [4]
25 A
QO125 [4] QO225 [4]
QO225H
QO325 [4]
30 A
QO130 [4] QO230 [4]
QO230H
QO330 [4]
35 A
QO135 [4] QO235 [4]
—
QO335 [4]
40 A
QO140 [4] QO240 [4]
QO240H
QO340 [4]
45 A
QO145 [4] QO245 [4]
—
QO345 [4]
50 A
QO150 [4] QO250 [4]
QO250H
QO350 [4]
60 A
QO160 [4] QO260 [4]
QO260H
QO360 [4]
70 A
QO170 [4] QO270 [4]
QO270H
QO370 [4]
80 A —
QO280 [4]
QO280H
QO380 [4]
90 A —
QO290 [4]
QO290H
QO390 [4]
100 A —
QO2100 [4]
QO2100H
QO3100 [4]
110 A —
QO2110 [4]
— —
125 A —
QO2125 [4]
— —
150 A —
QO2150 [4] [6] [7]
— —
175 A —
QO2175 [4] [6] [7]
— —
200 A —
QO2200 [4] [6] [7]
— —
Molded Case Switch 60 A max.–240 Vac —
QO200 QO300
Molded Case Switch 100 A max.–240 Vac —
QO2000 [8] QO3000 [8]
22 k AIR [4]
15 A
QO115VH [5] QO215VH [9]
—
QO315VH [9]
20 A
QO120VH [5] QO220VH [9]
—
QO320VH [9]
25 A
QO125VH
QO225VH [9]
—
QO325VH [9]
30 A
QO130VH
QO230VH [9]
—
QO330VH [9]
40 A
QO140VH
QO240VH [9]
—
QO340VH [9]
50 A
QO150VH
QO250VH [9]
—
QO350VH [9]
60 A
QO160VH
QO260VH [9]
—
QO360VH [9]
70 A
QO170VH
QO270VH [9]
—
QO370VH [9]
80 A —
QO280VH [9]
—
QO380VH [9]
90 A —
QO290VH [9]
—
QO390VH [9]
100 A —
QO2100VH [9] [10]
—
QO3100VH [9]
110 A —
QO2110VH [9] [10]
— —
125 A —
QO2125VH [9] [10]
— —
150 A —
QO2150VH [6] [9] [7]
— —
175 A —
QO2175VH [6] [9] [7]
— —
200 A —
QO2200VH [6] [9] [7]
— —
42 k AIR [4]
40 A —
QOH240 [8]
— —
45 A —
QOH245 [8]
— —
50 A —
QOH250 [8]
— —
60 A —
QOH260 [8]
— —
70 A —
QOH270
— —
80 A —
QOH280
— —
90 A —
QOH290
— —
100 A —
QOH2100
— —
110 A —
QOH2110 [8]
— —
125 A —
QOH2125
— —
65 k AIR [4]
15 A
QH115 [5]
QH215
—
QH315 [4]
20 A
QH120 [5]
QH220
—
QH320
25 A
QH125 [8] QH225 [8]
—
QH325 [8]
30 A
QH130 QH230
—
QH330
Refer to page for Interrupting Ratings, Accessories, and Dimensions.
1
LOAD CENTERS
[1] See Digest Section 1 for load centers, and Section 9 for panelboards and interiors.
[2] 10–30 A circuit breakers are suitable for use with 60
o
C or 75
o
C conductors. 35–125 A circuit breakers are suitable for use with 75
o
C conductors.
[3] UL Listed 5 k AIR on corner grounded Delta systems.
[4] UL Listed as HACR type for use with air conditioning, heating and refrigeration equipment haing motor group combinations and marked for use with HACR type circuit breakers.
[5] UL Listed as SWD (switching duty) rated. Suitable for switching 120 Vac fluorescent lighting loads.
[6] Requires four spaces (1 AWG–300 kcmil Al/Cu.) Suitable for switching 120 Vac fluorescent lighting loads.
[7] Not suitable for use in 3Ø panels. Use only in 1Ø panel rated 150 A or greater.
[8] Order only. Contact your local Field Office.
[9] UL Listed for use ahead of QO, QO-GFI, QO-EPD, QOT, QO-AFI, and QO-PL 10 k AIR circuit breakers to permit their application at 22 kA fault level.
[10] 100 A maximum branch mounted opposite.