DCAC hermetic distribution box IP65 EMITER with DC surge arrester Dehn 1000V type 2, 3 x MPPT / AC Dehn type 2, 63A 3-phase EM-941_DCAC

Safety and functionality in photovoltaic installations

The DCAC hermetic IP65 distribution box is a comprehensive solution for photovoltaic installations, providing effective protection against overvoltages on both the DC (direct current) and AC (alternating current) sides. The design is intended for demanding operating conditions, and the high IP65 protection rating guarantees resistance to external factors.

Overvoltage protection and installation performance optimization

Inside the distribution box are Dehn surge limiters, dedicated to protecting photovoltaic installations. The DC 1000V type 2 limiter protects against the effects of lightning strikes and fast voltage transients on the direct current side – i.e. in the PV strings. In turn, the AC Dehn type 2 limiter with a rated current of 63A (3-phase) protects the alternating current side, ensuring safe operation of the AC heater. This configuration is particularly important in systems with MPPT (Maximum Power Point Tracking) inverters, where optimizing energy harvesting is key.

Construction and application

The hermetic enclosure of the distribution box made of high-quality materials provides reliable protection of the internal components against moisture, dust and other contaminants. This translates to a longer service life and minimizes the risk of failure. The distribution box is designed for outdoor or indoor installation in high humidity environments. It is ideal for use in photovoltaic installations with several PV strings and electric heating. The three-phase system allows for efficient energy management in more complex systems.

• DC 1000V type 2 limiter – protection of photovoltaic strings against overvoltages.
• AC Dehn type 2 limiter (63A, 3-phase) – protection of the AC heater against damage caused by overvoltages.
• IP65 protection rating – dust and water jet resistance, enabling outdoor installation.
• Design adapted for cooperation with MPPT inverters – optimization of photovoltaic system efficiency.
• Durable housing – ensures long-lasting and reliable operation in harsh weather conditions.
• Intended for installations with several PV strings and electric heating – versatility of application.