Call or text 469-316-8517Mon–Fri 9 AM–3:30 PM CT In stock – zero lead timeFree shipping (lower 48)
Menu

Square D

HQO306 Square D I-Line Panel Adapter

Square D HQO306 I-Line Panel Adapter 6 Spaces QO 15-30A Breaker 240V 3 Phase

Part number
HQO306
Item
K87668

Used

Previously installed or used, with signs of normal wear. The photos show this exact unit. A listing without a stated condition is shown as Used. What “Used” means

$62.89

Only 1 left 10% price match

Need more than 1 unit or a different condition? Request a quote for additional quantityWe reply within 1 hour during business hours (Mon–Fri 9–3:30 CT).

Make an offer

  • Order within 3 h 1 min to ship todayShips today if ordered by 3 PM CT (Mon–Fri)
  • Free shipping (lower 48)

30-day guarantee · free returns if it's not as described. How it works

92,000+ items sold on eBay17,000+ seller ratings on eBay

KIV Industrial Parts is NOT an authorized distributor of Square D. Manufacturer warranty does not apply.

Questions? Call or text 469-316-8517 · Mon–Fri 9 AM–3:30 PM CT

Email me when you list more Square D

Overview

The Square D HQO306 is an I-Line Panel Adapter 6 Spaces QO Breaker (Circuit Breakers & Accessories). This unit is Used: previously installed or used, with signs of normal wear. The photos show this exact unit. A listing without a stated condition is shown as Used. It is in stock at our Princeton, Texas warehouse and ships in 1 business day.

Specifications

ManufacturerSquare D
Part numberHQO306
CategoryCircuit Breakers & Accessories
ConditionUsed
From the listing title
Voltage240 V
Current15-30 A
PhaseThree-phase
Quantity available1 in stock
Item numberK87668
Also known as
  • SQD HQO306
  • SQ D HQO306
  • Square D HQO306
  • HQ0306
  • HQO3O6

Ratings are as printed in the listing title; check the manufacturer's documentation before installing.

Shipping

  • Free ground shipping to the lower 48 states.
  • Orders placed by 3 PM CT on a business day ship the same day for free; later orders, weekends and office holidays ship the next business day.
  • Ordered after 3 PM CT? Add late same-day shipping ($50.00) at checkout before 4:30 PM CT on a business day and it still ships today.
  • Expedited and freight shipping are quoted after your order is packed, at our negotiated wholesale UPS rates – the most competitive rate we can offer.
  • Alaska, Hawaii, Puerto Rico, APO/FPO and PO boxes: quoted after packing. Freight quote
  • International: we ship worldwide (except sanctioned countries). Pay for the item at checkout; shipping is quoted after packing, and import duties and taxes are paid by the buyer on delivery. International orders
  • Local pickup in Princeton, TX by appointment.

Add-ons

Late same-day shipping$50.00Order after 3 PM and before 4:30 PM CT on a business day and it still ships today. Orders placed by 3 PM CT ship the same day for free; later orders ship the next business day. Included with expedited shipping ordered in that window.
Shipping insurance1.5% of value (minimum $3.00)Covers loss or damage in transit for the full order value.
Signature confirmation$5.00Added automatically and free on orders of $750.00 or more.
Extra protective packing$15.00Double box and foam.
Saturday deliveryCarrier rate + $15.00With overnight shipping only; the carrier rate is quoted after packing.
Blind shipping$5.00Neutral packing slip with no prices and no KIV branding.
Ship on your UPS account$5.00Enter your UPS account number at checkout; UPS bills you directly.
Extra photos before shippingFreeAsk in the special requests box; we email the photos before the order ships.

Choose add-ons at checkout. Shipping details

Returns

Covered by our 30-day guarantee: if it arrives not as described, dead on arrival or damaged, return it within 30 days of delivery and we pay the return shipping. Changed your mind? Return it within 30 days at your own shipping cost (a 15% restocking fee applies). We refund your original payment method after we inspect the item.

30-day guarantee & returns · Start a return · Returns FAQ

Disclaimer

KIV Industrial Parts is not an authorized distributor, dealer or representative of Square D, and is not affiliated with or endorsed by Square D. Square D and the part number are used only to identify the product. This item may be surplus, used or refurbished, may have an older date code or series, and is not covered by the manufacturer's warranty. The photos show the actual item.

More Square D Circuit Breakers & Accessories

See all ›
Square D Lockoff Kit Q2 FY Frame Breaker

Square D

Square D HPA-FYQ Handle Lockoff Kit Q2 FY Frame

Square D HPA-FYQ Handle Lockoff Kit Q2 FY Frame Breaker Electrical Safety Lock

New – Open Box

Only 1 left

Free shippingShips today by 3 PM CT

$6.89

Square D FHP36060121S I-Line Molded Circuit Breaker

Square D

FHP36060121S

Square D FHP36060121S 60A 3-Pole 600V FH Frame I-Line Molded Circuit Breaker

Used

Only 2 left

Free shippingShips today by 3 PM CT

$489.89

Square D FAL36040 Thermal Magnetic Circuit Breaker

Square D

FAL36040

Square D FAL36040 Series 2 Thermal Magnetic Circuit Breaker 40A 3 Pole 600V AC

Used

Only 1 left

Free shippingShips today by 3 PM CT

$53.89

Square D FA14020A Circuit Breaker

Square D

FA14020A

Square D FA14020A Circuit Breaker 1 Pole 20 Amp 277VAC Type FA I-Line Electrical

Used

Only 3 left

Free shippingShips today by 3 PM CT

$20.89

Square D KN-312 QO Circuit Breaker

Square D

KN-312

Square D QO KN-312 2-Pole Circuit Breaker CTL 120/240VAC Plug-In

Used

Only 1 left

Free shippingShips today by 3 PM CT

$14.99

Square D LIL36600 Current Limiting Circuit Breaker

Square D

LIL36600

Square D LIL36600 I-Limiter Current Limiting Circuit Breaker 600A 600V 3 Pole

Used

Only 1 left

Free shippingShips today by 3 PM CT

$1,685.00

Square D HLL36125 PowerPact HL 150 Circuit Breaker

Square D

HLL36125

Square D HLL36125 PowerPact HL 150 Circuit Breaker 125A 3 Pole 600V AL150HD

Used

In stock

Free shippingShips today by 3 PM CT

$242.89

Square D Circuit Breaker

Square D

Square D 15A Single Pole Circuit Breaker 10kA 12

Square D 15A Single Pole Circuit Breaker 10kA 120/240V Plug-On Panel Electrical

Used

Only 2 left

Free shippingShips today by 3 PM CT

$8.00

Related parts in stock

Square D LJ-1243 Circuit Breaker

Square D

LJ-1243

Square D LJ-1243 1 Pole 120/240VAC Circuit Breaker 20AMP Each

Used

Only 2 left

Free shippingShips today by 3 PM CT

$6.99

Square D XR-2141 Type QO SWD Unit Circuit Breaker

Square D

XR-2141

Square D XR-2141 Type QO SWD 120/240VAC 1 Pole Unit Circuit Breaker 8-14 AWG

Used

Only 2 left

Free shippingShips today by 3 PM CT

$6.99

Square D AB-5779 Circuit Breaker

Square D

AB-5779

Square D Type HOP Tipo 10KA 120/240V AB-5779 Hacr Type 20AMP

Used

Only 2 left

Free shippingShips today by 3 PM CT

$6.99

Square D Bolt-On Circuit Breaker

Square D

Square D 20 Amp 120/277VAC Single Pole Bolt-On C

Square D 20 Amp 120/277VAC Single Pole Bolt-On Circuit Breaker Industrial

Used

Only 2 left

Free shippingShips today by 3 PM CT

$10.89

$62.89Only 1 left
Call/Text