
DE3
CIRCUIT BREAKERS
01/15
DE3-14
QO™ and QOU Miniature Circuit Breakers
QOU Miniature Circuit Breakers
Low Ampere QOU Miniature Circuit Breakers
QOU unit mount miniature circuit breakers (cable-in/cable-out) are ideal for OEM applications. They have the Square D™
circuit breaker’s unique Visi-Trip™ feature and can be DIN rail-mounted or surface- or flush-mounted using mounting feet.
General Specifications Common to All Low Ampere QOU Circuit Breakers
• For convenient flush mount, surface mount or DIN mount
(symmetrical rail 35 x 7.5 DIN/EN 50 022)
• Single handle with internal common trip
• Terminal lug wire size (1) 14–2 AWG Cu or Al
• Reversible line and load lugs
• Field-installable quick connectors
• CSA/UL Listed 48 Vdc (5 k AIR)
• CSA/UL Listed as HACR Type: 10–70 A
• High magnetic trip circuit breakers (QOU-HM) are recommended
for applications where high initial inrush may occur and for
individual dimmer applications.
QOU Low Ampere Miniature Circuit Breakers
Ampere
Rating
1P 120/240 Vac 2P 120/240 Vac 2P 240 V ac 3P 240 Vac
Cat. No. Cat. No. Cat. No.a $ Price Cat. No.
10 k AIR
10 A QOU110 QOU210 — QOU310
15 A QOU115 QOU215 QOU215H QOU315
20 A QOU120 QOU220 QOU220H QOU320
25 A QOU125 QOU225 QOU225H QOU325
30 A QOU130 QOU230 QOU230H QOU330
35 A QOU135 QOU235 — QOU335
40 A QOU140 QOU240 — QOU340
45 A QOU145 QOU245 — QOU345
50 A QOU150 QOU250 — QOU350
60 A QOU160 QOU260 — QOU360
70 A QOU170 QOU270 —
QOU370
22 k AIR
15 A QOU115VH QOU215VH — QOU315VH
20 A QOU120VH QOU220VH — QOU320VH
25 A QOU125VH QOU225VH — QOU325VH
30 A QOU130VH QOU230VH — QOU330VH
35 A QOU135VH QOU235VH — —
40 A QOU140VH QOU240VH — —
45 A QOU145VH QOU245VH — —
50 A QOU150VH QOU250VH — —
60 A QOU160VH QOU260VH — —
a QOU-H
interrupting rating is 10 kA at 240 Vac.
QOU-HM Miniature Circuit Breakers (10 k AIR)
Ampere
Rating
1P 120/240 Vac 2P 120/240 Vac 2P 240 Vac 3P 240 Vac
Cat. No. Cat. No. Cat. No. Cat. No.
15 A QOU115HM — — —
20 A QOU120HM — — —
High Ampere QOU Circuit Breakers
General Specifications Common to All High Ampere QOU Circuit Breakers
• Flush mount, surface mount, and DIN rail mount.
• Internal common trip.
• Non-reversible line and load lugs.
• Terminal lug wire size (1) 12– 2/0 AWG Cu or Al.
• UL Listed 60 Vdc per pole (5 k AIR). (Note: except switches)
• CSA/UL Listed as HACR type, 80–125 A.
• Non-automatic switches have the same physical packaging
as miniature circuit breakers, but provide no overcurrent or
short circuit protection. They are UL Listed per UL1087 and
are CSA certified.
QOU High Ampere Miniature Circuit Breakers (10 k AIR)
Ampere
Rating
1P 120/240 Vac 2P 120/240 V ac 2P 240 Vac 3P 240 Vac
Cat. No. Cat. No. Cat. No. Cat. No.
80 A QOU180 QOU280 — QOU380
90 A QOU190 QOU290 — QOU390
100 A QOU1100 QOU2100 — QOU3100
125 A — QOU2125 — —
QOU Non-Automatic Switches
Ampere
Rating
1P 120 Vac 2P 120/240 V ac 2P 240 Vac 3P 240 Vac
Cat. No. Cat. No. Cat. No. Cat. No.
60 A — — QOU200 QOU300
100 A — — QOU2000 QOU3000
125 A — — QOU20001 QOU30001
Interrupting Ratings ...................................
P
ageDE3-3
Accessories .................................P
ageDE3-12, DE3-15
Dimensions......................................... P
ageDE3-54
Class 720 / Refer to Catalog 0730CT9801
DE3_p014.fm Page 14 Saturday, January 10, 2015 2:13 AM
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