The Square D QOU120 miniature circuit breaker is ideal for OEM applications. This QOU miniature circuit breaker is used for overcurrent protection and switching on both AC and DC electrical systems. It provides a means to manually open a circuit. It is fully tested, UL Listed, and CSA certified for reverse connection without restrictive line/load markings.
Automatically open a circuit under overload or short circuit conditions
Visi-Trip on all the circuit breakers for easy trip detection
Can be flush-, surface-, or DIN rail- Mounted
Product Highlights
The Square D QOU120 is a miniature circuit breaker used for overcurrent protection in AC and DC systems. It features easy trip detection and multiple mounting options.
Product Information
Standard Information
Brand: SQUARE D
Manufacturer Part Number: QOU120
Country of Origin: Mexico
Technical Specifications
Type
Miniature circuit-breaker
Brand
Square D
Depth
2.95 Inch
Width
0.75 in
Height
4.05 Inch
Length
2.95 Inch
Voltage
120 Volt
Amperage
20 Amp
Sub Brand
QOU
Applications
HACR and Switching Duty rated
Mounting Type
Unit Mount
TC Connection
LINE: BOX LUG - LOAD: BOX LUG #14-2 AWG(AL/CU)
Certifications
CSA,IEC,UL Listed
Number of Poles
1 Pole
Interrupt Rating
10 kAIC
Line Rated Current
20 A
Circuit Breaker Type
Standard
Short Circuit Current
10 kA
Catalog Number
QOU120
Manufacturer
Schneider Electric
Country of Origin
United States
Made in USA
Yes
Voltage Rating
120/240 VAC
Current Rating
20 Amps
Terminal Type
Lug
Wire Size
14 - 2 AWG (Aluminum/Copper)
Mounting
35 mm DIN rail/flush/surface mounting, standard flush
Protection
Over current
Range Of Product
QOU
Electrical Connection
slotted box lugs, line side || slotted box lugs, load side
[Ue] Rated Operational Voltage
120/240 V AC || 120 V AC || 48 V DC
Awg Gauge
AWG 14...AWG 2 aluminium/copper
IGCC
4897
Application
HACR rated
Family group
DISTRIBUTION EQUIPMENT
Mounting Mode
Unit mount
Tightening Torque
45-45 lbf.in (AWG 14...AWG 2)
Line Rated Current - Metric
20 A
Poles
1
Amps
20 A
AC Voltage Rating
120/240V AC
DC Voltage Rating
48V DC
Circuit Breaker Actuator
Toggle
Circuit Breaker Mounting Style
Surface/DIN Rail
Compatible Panelboard/Load Center Series
QO
Phase
Single
Max. AIR Rating
10kA at 120/240V AC
For Use With
Air Conditioning and Refrigeration Equipment; Heating