- Catalog
- Find A Branch
- KeepStock
- Help
- 1-800-GRAINGER
Register
Sign In
Sign In to access your account information.
Sign In Register for Grainger.comOrder Lookup
Track and check the status of an order.
Order LookupAll Products
Unrelated Links
Product Categories
- All Product Categories
- Abrasives
- Adhesives, Sealants and Tape
- Cleaning and Janitorial
- Electrical
- Electronics & Batteries
- Fasteners
- Fleet & Vehicle Maintenance
- Furnishings, Appliances & Hospitality
- HVAC and Refrigeration
- Hardware
- Hydraulics
- Lab Supplies
- Lighting
- Lubrication
- Machining
- Material Handling
- Motors
- Office Supplies
- Outdoor Equipment
- Packaging & Shipping
- Paints, Equipment and Supplies
- Pipe, Hose, Tube & Fittings
- Plumbing
- Pneumatics
- Power Transmission
- Pumps
- Raw Materials
- Reference and Learning Supplies
- Safety
- Security
- Test Instruments
- Tools
- Welding
Sign In
Sign In to access your account information.
Sign In Register for Grainger.comOrder Lookup
Track and check the status of an order.
Order Lookup
Square D Miniature Circuit Breakers for Panelboards and Load Centers
Available66 products
These miniature circuit breakers are compatible with Square D panelboards and load centers and interrupt the flow of current when low-level faults are detected. They prevent damage caused by overcurrents and short circuits in residential, light commercial, and industrial applications where sensitive circuit protection is needed.
Series
QOU Series, Unit-Mount Square D Miniature Circuit Breakers
These QOU series miniature circuit breakers can be surface-, flush-, or DIN rail-mounted in panelboards and load centers to free up space wherever it's needed. They interrupt currents when overloads are detected in the circuit and can switch on both AC and DC electrical systems.
Number of Poles: 1; High Interrupting Capacity
| Loading... | ||||||
Number of Poles: 1; High Magnetic
| Loading... | ||||||
Number of Poles: 1; Shunt Trip
| Loading... | ||||||
Number of Poles: 1; Standard
| Loading... | ||||||
Number of Poles: 2; High Interrupting Capacity
| Loading... | ||||||
Number of Poles: 2; Shunt Trip
| Loading... | ||||||
Number of Poles: 2; Standard
| Loading... | ||||||
Number of Poles: 3; High Interrupting Capacity
| Loading... | ||||||
Number of Poles: 3; Shunt Trip
| Loading... | ||||||
Number of Poles: 3; Standard
| Loading... | ||||||