Page 7-14 Download PDF
Home Online Catalog Products Tools and Resources Help

Square D > On-line Catalog > Products > Miniature and Molded Case Circuit Breakers > QO® and QOU Miniature Circuit Breakers: QOU Miniature Circuit Breakers and QYU Supplementary Protectors	Search

Digest 174 Quick Page Locator Enter a page number from our paper catalog to go directly to that page in our online catalog. Example: 5 - 3

Section - Page -

QO® and QOU Miniature Circuit Breakers

QOU Miniature Circuit Breakers and 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 Square D’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	● 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	1P 120/240 Vac		2P 120/240 Vac		2P 240 Vac		3P 240 Vac
	Cat. No.	$ Price	Cat. No.	$ Price	Cat. No.a	$ Price	Cat. No.	$ Price
10 k AIR
10 A	QOU110	26.80	QOU210	$ 58.00	QOU210H	112.00	QOU310	190.00
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	52.00	QOU270	114.00	—	—	QOU370	242.00
22 k AIR
15 A	QOU115VH	67.00	QOU215VH	126.00	—	—	QOU315VH	284.00
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 5 kA at 240 Vac.

 

Table 7.21:

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.	$ Price	Cat. No.	$ Price	Cat. No.	$ Price	Cat. No.	$ Price
15 A	QOU115HM	26.80	—	—	—	—	—	—
20 A	QOU120HM		—	—	—	—	—	—

 

Table 7.22:

QYU UL1077 Recognized Supplementary Protectors (5 k AIR)

Ampere Rating	1P 277 Vac		2P 120/240 Vac		2P 240 Vac		3P 240 Vac
	Cat. No.	$ Price	Cat. No.	$ Price	Cat. No.	$ Price	Cat. No.	$ Price