Search
-
HVAC Equipment
-
Ductless Mini Splits
- Ductless Mini Splits
- Shop By Zone
- Shop by BTU
- Shop By Brand
- Components
- Accessories
-
HVAC Parts & Supplies
- HVAC Parts & Supplies
- HVAC Supplies
- HVAC Tools
-
HVAC Replacement Parts
- Blower Housing & Assemblies
- Blower Wheels
- Breakers, Contactors & Disconnects
- Capacitors & Transformers
- Control & Circuit Boards
- Filter Driers & Accumulators
- Gas Valves & Conversion Kits
- Heat Exchangers
- Thermal Expansion Valves (TXV)
- Temperature Controls
- Wall Brackets & Parts
- Miscellaneous Parts
- O-Rings & Gaskets
- Hydronics
- Motors
- Thermostats & Zoning
-
Plumbing
-
Pool
-
Electrical
-
Air Quality
-
Tools & Supplies
-
Door Security & Hardware
Square D QO345 Miniature Circuit Breaker 45A 240V 3Ph Plug-On
Availability:
In Stock
Ships same day if ordered by 12 pm
- $131.10
- $131.10
- Unit price
- / per
✓
Better Price in Cart
Manufacturer pricing rules prevent us from advertising our discount — no account or email required to see it.
-
Secure Payments
-
Easy Returns
-
Expert Advice
-
Fast Shipping
Product Description
The Square D QO345 Miniature Circuit Breaker is a three-pole thermal magnetic circuit breaker rated for 45A at 240V. It is designed for overcurrent protection and switching in both AC and DC systems. This breaker features a trip-free toggle mechanism that allows for quick make and break action. The VisiTrip indicator provides a visual cue when the breaker has tripped. It mounts easily with plug-in capability.
- Three-pole design for versatile applications
- Rated current of 45A at 120/240VAC
- Includes VisiTrip indicator for easy monitoring
Product Highlights
This circuit breaker is ideal for use in electrical panels, providing both reliability and efficient circuit protection.
Product Information
Standard Information
- Brand: Square D
- Manufacturer: Schneider Electric
Technical Specifications
Complete your install
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
Loading install accessories...
Add install kit to cart
—
Related Products
- Choosing a selection results in a full page refresh.