Technical Data Bulletin

ManualsBrandsSquare D ManualsDisconnectsQO 60 Amp 240-Volt 7.4 kW Non-Fuse AC Disconnect

Table Of Contents

Section 7 Miniature and Molded Case Circuit Breakers

12/2/2020

7-19

www.se.com/us

QOU Miniature Circuit Breakers / QYU

Supplementary Protectors

QO™ and QOU Miniature Circuit Breakers

Class 720 / Refer to Catalog 0730CT9801

Low Ampere QOU Miniature Circuit Breakers

Low Ampere QOU

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. Mounting feet

not provided

[29].

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

•

UL Listed 48 Vdc (5 k AIR)

•

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.

•

For DIN mounting rails, see IEC Starters and Relays, Section 18.

Table 7.20: QOU Low Ampere Miniature Circuit Breakers

Ampere

Rating

Cat. No.

1P 120/240 Vac 2P 120/240 Vac

2P 240 Vac [30]

3P 240 Vac

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

— —

Table 7.21: QOU-HM Miniature Circuit Breakers (10 k AIR)

Ampere

Rating

Cat. No.

1P 120/240 Vac 2P 120/240 Vac 2P 240 Vac 3P 240 Vac

15 A

QOU115HM

— — —

20 A

QOU120HM

— — —

Table 7.22: QYU UL1077 Recognized Supplementary Protectors (5 k AIR)

Ampere

Rating

Cat. No.

1P 277 Vac 2P 120/240 Vac 2P 240 Vac 3P 240 Vac

10 A

QYU110

— — —

15 A

QYU115

— — —

20 A

QYU120

— — —

25 A

QYU125

— — —

30 A

QYU130

— — —

MINIATURE AND MOLDED CASE

CIRCUIT BREAKERS

[29] See QOU Accessories, page 7-21.

[30] QOU-H interrupting rating is 10 kA at 240 Vac.