QOU Miniature Circuit Breakers / QYU Supplementary Protectors

Class 720 / Refer to Catalog 0730CT9801

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. Mounting feet not provided [1].

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.

QOU Low Ampere Miniature Circuit Breakers

Ampere
Rating

Cat. No.

1P 120/240 Vac

2P 120/240 Vac

2P 240 Vac [2]

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

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

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

High Ampere QOU Circuit Breakers

High Ampere QOU

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)

  • 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

Cat. No.

1P 120/240 Vac

2P 120/240 Vac

2P 240 Vac

3P 240 Vac

 80 A

QOU180

QOU280

QOU380

 90 A

QOU190

QOU290

QOU390

100 A

QOU1100

QOU2100

QOU3100

125 A

QOU2125

QOU Non-Automatic Switches

Ampere
Rating

Cat. No.

1P 120 Vac

2P 120/240 Vac

2P 240 Vac

3P 240 Vac

 60 A

QOU200

QOU300

100 A

QOU2000

QOU3000

125 A

QOU20001

QOU30001

Interrupting ratings see QOU, QOM

Accessories see QOU Accessories

Dimensions see Miniature and Molded Case Circuit Breaker Dimensions

Footnotes

  1. See QOU Accessories.
  2. QOU-H interrupting rating is 10 kA at 240 Vac.

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