
Q3 BOX WEEKS 2026
Made in Germany. Special Offer Prices.
Black Friday? Friday the 13th? We make boxes. 😎
And really good ones, too! Individually designed, precision-built and tailored to your project’s requirements. No clearance stock, no unwanted leftovers – just high-quality electrical connection solutions straight from the German manufacturer.
And because planning ahead should pay off twice, Q3 ENERGIE is launching its BOX WEEKS 2026!
Cleverly Ordered.
Not Cheaply Bought.
Q3 Box Weeks 2026. Our Offer. Your Savings.
Friday the 13th
NOVEMBER
8% Discount + 2% Early Payment Discount
Our biggest savings for orders placed in November 2026.
Promo Code: BOX8
DECEMBER
5% Discount + 2% Early Payment Discount
Enjoy attractive special terms throughout December, too.
Promo Code: BOX5
You Plan Your Projects. We Plan Your Boxes.
2027 is just around the corner – bringing new PV projects, system expansions and bespoke connection solutions.
Planning your electrical connection equipment early puts you in a strong position for your upcoming projects.
With Q3 BOX WEEKS, you not only benefit from attractive prices but also help us schedule the manufacturing of your bespoke solutions well in advance.
You focus on your project. We take care of the right box.
Good cooperation can be that simple. 😉

Engineered for Real-World Applications.
Q3. The Box Makers.

Which Box Will It Be?

QFire Firefighter Switches
Safe, centrally controlled DC shutdown for PV systems – from small rooftop installations to complex large-scale projects.

PV Combiner Boxes & DC String Boxes
Bespoke DC connection solutions tailored to your strings, MPPTs and inverters.

AC Connection Boxes
Project-specific AC connection solutions designed for different network configurations and power requirements.

Super Multi Box (SMB)
Intelligent DC connection technology with monitoring and communication functions for demanding PV projects.

Transformer Station Monitoring Boxes
Bespoke solutions for monitoring and connecting transformer stations.

Bespoke Solutions? That’s Our Speciality!
Not every installation fits into a standard box. And that’s exactly why The Box Makers exist.
Your Project. Your Box. Your Special Price.
Already Have a Quote From Us?
Perfect! Simply contact your Q3 representative and mention the relevant promo code. We’ll check whether the BOX WEEKS special terms can be applied to your order.
Planning a New Project?
Now is the perfect time to send us your requirements.
It’s as simple as this:
Choose the right product and complete the project enquiry form.
Enter promo code BOX8 or BOX5 in the comments field.
Receive your individual quotation with the applicable promotional terms.
Any Questions? We’re Here to Help!
Not sure whether your planned connection box qualifies for our BOX WEEKS promotion? Or would you prefer to discuss your requirements with us directly?
Just give us a call or send us an email. We’re always happy to help!
Phone: +49 (0)8341 9080 334 | Email: info@q3-energie.de
Terms & Conditions of the Promotion
To ensure everyone benefits equally, our BOX WEEKS promotion offers the same special terms to both new and existing customers.
Promotional Period Starting Friday, 13 November 2026
- 8% discount on the net value of goods for binding orders placed in November 2026.
- An additional 2% early payment discount on the already discounted net value of goods, provided the deposit is paid on time in accordance with the payment terms stated in the respective quotation.
Promotional Period – December 2026
- 5% discount on the net value of goods for binding orders placed in December 2026.
- An additional 2% early payment discount on the already discounted net value of goods, provided the deposit is paid on time in accordance with the payment terms stated in the respective quotation.
Q3 Box Weeks 2026
Additional Terms
- Promotional period: November and December 2026.
- The promotion applies to participating products manufactured by Q3 ENERGIE.
- Shipping and transport costs are excluded from the discounts.
- BOX WEEKS promotional discounts cannot be combined with other discounts, special terms, vouchers, discount or credit vouchers, or any other promotional offers.
- Existing individual payment agreements remain unaffected for orders placed outside this promotion.
- Providing the promotional code helps us identify eligible orders but is not mandatory for receiving the promotional terms.
- Delivery dates are agreed on a project-by-project basis and confirmed in the order confirmation.
- All promotional orders are subject to uniform payment terms: 50% deposit and 50% balance payable before delivery.
Great Engineering. Great Prices. Great Decision.
From small rooftop PV installations to complex large-scale projects, we develop and manufacture electrical connection solutions tailored to your requirements.
Q3. The Box Makers.
