These cookies make our website work. They include logging personal details, like login/sign-up or account data, browser information, images & videos, and shopping cart journey.
In addition, we use optimization cookies to test new features and designs on our website. The information collected helps us improve our website and customers' experience.
These cookies are used to understand the performance and relevancy of our adverts, to provide you with personalised adverts on other websites and social media, to track when you have arrived at our site from a recognised third-party affiliate website, and to track if you made a purchase based on the adverts we displayed to you.
These cookies enable us to provide personalised product and content recommendations, to make the browsing experience more relevant to you.
These cookies are used to offer customer surveys and feedback, to improve search results, and to allow you to share content from our website on social media.
These cookies help us improve our website by collecting and reporting information on how you use it.
SQUARE D QOB345-1021 Thermal Magnetic Circuit Breaker, 45A, 3P, 120V Shunt Trip
Get it by Tuesday, Dec 31
Payment Options Available
Delivery Options Available
Product Specifications:
| Item | Bolt On Circuit Breaker |
| Amps | 45 |
| Frame Type | QOB |
| Number Of Poles | 3 |
| Voltage | 240 |
| Voltage Type | AC |
Shipping Info:
| Ship weight (kg) | 0.54 |
| Ship height (cm) | 7.9 |
| Ship length (cm) | 7.39 |
| Ship width (cm) | 7.59 |
| Country of Origin | US |
Product Details:
- Square D QOB345-1021 miniature circuit breaker suitable for use in electrical control panels & switchboards for protecting sensitive circuits against current overloads & short circuits
- Long-time and instantaneous current limiting trip functions for reacting against severe power surges at once while avoiding tripping on mild overloads
- Box lug electrical connections & bolt-on mounting facilities for reducing the installation downtime
- Accommodates 8 - 2 AWG copper / aluminium wires
- CSA-certified & UL-listed
Product Variants
| Product | Model | Ac Voltage Rating | Amps | Circuit Breaker Type | Current Rating | Dc Voltage Rating | Depth | Frame Size | Item | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
 |
QOB115CAFI | 120 VAC | 15 | Arc Fault Circuit Interrupter | - | Not Rated | 2.98" | 100A/QO | Bolt On Circuit Breaker | €€260.27 | |
 |
QOB120CAFI | 120 VAC | 20 | Arc Fault Circuit Interrupter | - | Not Rated | 2.98" | 100A/QO | Bolt On Circuit Breaker | €€260.27 | |
 |
QOB120VHCAFI | 120 VAC | 20 | Arc Fault Circuit Interrupter | - | Not Rated | 2.98" | 100A/QO | Bolt On Circuit Breaker | €€500.23 | |
 |
QOB110 | 120/240 VAC | 10 | Standard | - | 48 VDC | 2.91" | 100A/QO | Bolt On Circuit Breaker | €€27.26 | |
 |
QOB115 | 120/240 VAC | 15 | Standard | - | 48 VDC | 2.91" | 100A/QO | Bolt On Circuit Breaker | €€26.50 | |
 |
QOB120 | 120/240 VAC | 20 | Standard | - | 48 VDC | 2.91" | 100A/QO | Bolt On Circuit Breaker | €€28.70 | |
 |
QOB130 | 120/240 VAC | 30 | Standard | - | 48 VDC | 2.91" | 100A/QO | Bolt On Circuit Breaker | €€29.80 |
Explore Products
- SPEEDAIRE 5VLJ8 Air Cylinder, 3 1/4 Inch Bore Dia, 20 Inch Stroke, 1/2 Inch Port Size
- UNITED VISUAL PRODUCTS UVNDG100-BLACK Magnetic Directory Board, Indoor, 33 x 1.5 x 19 Inch, Black Frame, Satin Frame
- TSUBAKI 50B35F-1D Finished Bore Sprocket, 35 Teeth, 1-1/4 Inch Bore
- WESTWARD 54TU52 Hex Key, 0 Ball Ends, 7/32 Inch Tip Size, SAE, Short, Alloy Steel, Black Oxide
- TIMKEN 2MM9314WI SUX
- STEARNS BRAKES 105686200001
- TIMKEN 24622-2066 Oil Seal, Double Lip Spring, Fluorocarbon
Explore More
- KEYSHAFT
- PROPPER
- SLOAN
- LYNDEX-NIKKEN
- PEABODY ENGINEERING
- Truck Mirrors
- HID Ballast Ignitors
- Coatings and Wrap
- Gas Fired Duct Furnaces
- Flexible Cylinder Hones
- EMUGE High Speed Steel-E Machine Tap, TiN Finish
- MAIN FILTER INC. Interchange Hydraulic Pressure Line Filters, Wire Mesh, 25 Micron, Viton Seal
- MARTIN SPROCKET 5V Series Taper Bushed 4 Groove Hi-Cap Wedge Stock Sheaves
- NIBCO Unions, Wrot and Cast Copper
- ROXBURGH RES90 Series EMI Filters
Contact us
Contact your account manager right away to get personal advice.
We're available Monday through Friday, from 07:30 until 17:00.