FREE delivery on orders over €150
Product Specifications:
| Item | Bolt On Circuit Breaker |
| Frame Type | QOB |
| Number Of Poles | 3 |
| Voltage | 240V |
| Voltage Type | AC |
Shipping Info:
| Ship weight (kg) | 0.38 |
| Ship height (cm) | 7.6 |
| Ship length (cm) | 7.4 |
| Ship width (cm) | 5.7 |
| Country of Origin | US |
Product Details:
- Square D QHB320 circuit breaker used to protect panelboards and switchboards against faulty current
- Bolt-on mounting design allows easy installation
- Equipped with a thermal-magnetic trip mechanism that avoids tripping on mild overloads while instantaneously responding against severe power surges
- Pressure plate electrical connection accomodates aluminium and copper wire sizes ranging from 14 to 8 AWG
- UL listed and CSA certified
Product Variants
| Product | Model | Number Of Poles | Frame Type | Voltage | Voltage Type | Depth | Mounting Type | Price | |
|---|---|---|---|---|---|---|---|---|---|
![]() |
QHB115 | 1 | QOB | - | AC | 2.9" | Bolt On | €93.38 | |
![]() |
QHB120 | 1 | QOB | - | AC | 2.9" | Bolt On | €228.20 | |
![]() |
QHB130 | 1 | QOB | - | AC | 2.9" | Bolt On | €93.38 | |
![]() |
QHB215 | 2 | QOB | 240V | AC | 2.9" | Bolt On | €306.88 | |
![]() |
QHB220 | 2 | QOB | 240V | AC | 2.9" | Bolt On | €623.24 | |
![]() |
QHB230 | 2 | QOB | 240V | AC | 2.9" | Bolt On | €384.56 | RFQ
|
![]() |
QHB315 | 3 | QOB | 240V | AC | 2.9" | Bolt On | €405.43 | RFQ
|
Explore Products
- AMERICAN TORCH TIP ZM18500354 Lens size 1.75 Inch x 5.0 Inch fl .354 Inch
- LOVEJOY 68514445197 Cylinderical Hub, Bore Size 0.59 Inch
- QUANTUM STORAGE SYSTEMS AD74-1272BK-5 Wire Shelving, 5 Shelf Add-On, 12 x 72 x 74 Inch Size, Black Epoxy
- BALDOR / DODGE 202S30R TIGEAR-2 Reducer With External Output Shaft
- MAIN FILTER INC. MF0583862 168700SH3XLS000V Interchange Hydraulic Filter, Glass, 3 Micron Rating, Viton Seal, 8.42 Inch Height
- TSUBAKI 50B14F-7/8
- PBC LINEAR SRM40PD-0600-SL Linear Shaft Support Rail, 40mm Shaft Dia, 600mm Length, Unfinished, Aluminum
- APPROVED VENDOR SFT245GE Drill Bushing Type Slip Fixed Drill Size 13/64
Explore More
- CENTRAL SPECIALTIES LTD
- KEYSHAFT
- VORTEC
- CAM SPRAY
- KURT
- Screw/Bolt Extractor Sets
- Polarized Safety Glasses
- Non-Illuminated Push Buttons with Contact Blocks
- Dry Hydrants
- Carbon Steel Expanded Sheets
- JOHN GUEST Check Valves
- MAYHEW TOOLS Brass Sets
- YELLOW JACKET 1/4 Inch Compact Ball Valves
- MUELLER INDUSTRIES 1605-AC Chexter Check Valves
- GLOBE SCIENTIFIC Globe Glass Volumetric Flasks, Wide Mouth, Class A
- WESTWARD 14 x 18mm Drive, Interchangeable Torque Wrench Heads
- APOLLO VALVES Bonnet Kits
- EATON 2091 Series Tee/Y Adapters
- WEG ODP Foot mount, Commercial Duty Air Compressor Motor
- COLDER PRODUCTS COMPANY HFC57 Series Coupling Bodies, Polysulfone
Contact us
Contact your account manager right away to get personal advice.
We're available Monday through Friday, from 07:30 until 17:00.
SQUARE D QHB320 Miniature Circuit Breaker, 3 Pole, 120 / 240VAC, 3 Phase
€1,011.81 /unit


