Tag: Fireman’s switch

QFire BIG Feuerwehrschalter mit Überspannungsschutz Schaltschema

New: QFire BIG – Fireman’s switch with overvoltage protection

Discover our new fire brigade safety switch for PV systems with overvoltage protection! Here we equipped an industrial building with a 1 MW roof-mounted system (128 strings) with generator disconnection and surge protection. The QFire BIG switch boxes also contain a T2 surge arrester. A T1+T2 combination arrester would also be possible here. Each of these BIG switch boxes switches… Weiterlesen →

Wünsch dir was! kundenspezifische  anschlusstechnik für PV-Kraftwerke

Make a wish! Customized connection technology for PV power plants

We build your box!   Q3 string boxes (generator connection boxes) are manufactured individually according to your requirements from one unit upwards and vary in their features (type of housing, number of inputs and outputs, fuse/diode, etc.). We can optionally build your box with a (remotely triggered) DC circuit breaker, overvoltage protection (T1+T2/T2), string current measurement, voltage measurement and data… Weiterlesen →