Voltwerk SmartConnect

Generator junction box

Voltwerk SmartConnect

Generator junction box with 8 string connections

for photovoltaic systems with central inverters

(Article number V1-121-001)

Other generator connection box of the SmartConnect series:

Conergy SmartConnect



Voltwerk VC 300

Conergy CIS 1200

Made in Germany

The generator junction box with integrated all-round protection.
In the Voltwerk SmartConnect individual module strings are combined and safely routed to the Voltwerk central inverter. The SmartConnect combines precise and clear string monitoring with a safety concept tailored to the PV technology.

Integrated string monitoring
The currents, powers and voltages of up to eight individual inputs can be monitored by the integrated line monitoring of the SmartConnect. Naturally, the SmartConnect is tuned to the Voltwerk monitoring systems so that complete string monitoring can be planned and implemented quickly and easily, even with large plants.

Electronic protection concept
The innovative protection concept RealProtect from Voltwerk replaces conventional fuses. This ensures all-round protection for the modules and the entire PV system.

In contrast to conventional string fuses, the electronic protection concept RealProtect has the following advantages:

  • Fixed triggering threshold
  • Current and voltage-dependent activation
  • Differentiated tripping behavior with forward and reverse current
  • No aging of fuses
  • Overvoltage protection

Guaranteed durability
The structure in a painted steel housing with IP 55 makes the SmartConnect ideal for many years of use in PV systems. In addition, the direct connection of the string leads to the spring-type terminals guarantees a stable and safe installation.


  • Monitoring of 8 or 16 strings
  • Integrated circuit breaker
  • Electronic protection concept increases system availability
  • Simplifies the planning and realization of complete string monitoring

Fitting products

  • VC 200, 250, 300, 350
  • VIS 400-1400
  • VM touch

Product name:

Voltwerk Smart Connect

(Artikelnummer V1-121-001)



Dimensions (WxHxD) in mm:

610 x 540 x 185



Number of DC inputs:


Protection type and class:

IP 55 (EN 60529)/ I (EN 61140)

Enabling function:

Manual, automatic


CANopen (via CAN distributor)