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Zementwand Hintergrund AC Box

Project Inquiry AC Box – Configuration for Your PV Project


The Q3 AC Box is designed project-specifically. For precise dimensioning, we require some technical key data for your project. Please complete the following form – we will contact you promptly with a tailored solution.

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AC Box with Surge Protection and NH Disconnector
AC Box with Surge Protection and NH Disconnector

What We Need for the Design

For rapid processing, the following information is particularly helpful:

■ Desired rated current (160–630 A)

■ Network type (TN-C / TN-C-S)

■ Number and power of inverters

■ Upstream protection / feed-in concept

■ Installation environment (indoor / outdoor)

Step 1 of 2
Kabelangaben: Querschnitte | Außendurchmesser
Bitte geben Sie Anzahl, Kabeltyp und Außendurchmesser in mm an oder fügen Sie einen Link zum verwendeten Kabel bei.
Eingang (Netzanschluss/Trafo)
Ausgang (Inverterseite/Hauptverteilung)
Anschlussleistungen
Sicherung
Ausgang (Potentialausgleichsschiene)
Überspannungsschutz SPD
Sonstiges
Drag & Drop Files, Choose Files to Upload You can upload up to 10 files.
Adresse

Why AC Boxes from Q3?

EN 61439 tested

IP66 enclosure

NH load break switch integrated

Project-specific design

Developed and manufactured in Germany

AC connection box for connection to grid transfer point/transformer. Network type TN-C. 4x busbar 30 x 10 CU. Inverter input for cable 4 x 300 mm² via M80 brass cable gland to 4 busbar terminals. Output to transformer for cable 4 x 300 mm² via M80 brass cable gland to 4 busbar terminals (both cables to be installed on-site). Additional connection option for cable 1 x 300 mm² to 1 busbar terminal. Surge protection T1+2 (standard Citel DAC1-13S-30-275 Imax 50kA, Iimp 12.5kA) incl. short-circuit protection SFD1-13S-30 for AC SPD T1 (12.5kA 10/350µs). Remote signaling contact connection via M16 plastic (cable to be installed on-site). M20 membrane. Enclosure galvanized steel sheet with hardened polyester coating 800x600x300 mm with door. High voltage warning label.
250 A AC connection box (inverter - grid transfer point). 1 inverter input. Standard TN-C, option TN-S to inverter section. Coating: C4 (outdoor). Inverter busbar terminals: inverter terminal 95–120 mm² – required: 5 units. Grid transfer point busbar terminals: grid transfer point terminal 95–120 mm² – required: 5 units. Surge protection T1+T2: TN–S - 3+1 (L–N + N–PE). Remote signals: SPD failure, NH-OFF (potential-free). Cable entries inverter: • Inverter M75 (Ø 42–55 mm) × 1 Cable entry grid transfer point: • Grid transfer point M75 (Ø 42–55 mm) × 1 M20 membrane for signals/service.