Electricity Meter Enclosures for PV Systems
For power generation installations and micro-sources, safety requirements call for an isolating device (a mechanical switch or circuit breaker) in the meter enclosure. This installation switch galvanically disconnects the meter enclosure from the customer’s electrical installation (the point of consumption). The installation switch can be a circuit breaker or a mechanical switch. Our meter enclosures for generation installations include a rotary switch with the same rated current as the enclosure.
In addition, all generation installations with an installed capacity of up to 100 kW that can export electricity to the distribution network must be capable of power control via a ripple-control receiver (HDO). Export is controlled at 0% and 100% power. This control is used only in emergency situations. To enable it, the enclosure must contain an auxiliary relay and be wired differently from a standard electricity meter enclosure.
Enclosures with an installation switch are also a suitable choice if you are only considering installing a generation unit or micro-source.
What can be a micro-source or generation installation?
RES – renewable energy sources (including the sources listed below)
PV – photovoltaic power plant
CHP – combined heat and power plant
SHP – small hydropower plant
BGP – biogas power plant
WPP – wind power plant
UPS – uninterruptible power supply (UPS)
We have therefore added PER 2F and PER PRE-F enclosures to our product range. Both include an installation switch that is factory-fitted and ready to use, and both meet the requirements for metering at sites with an installed generation unit or micro-source. These enclosures meet the latest requirements of electricity distribution companies for PV metering.
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| PER 2F enclosure meets ČEZ requirements | PER 2F enclosure meets EG.D requirements (formerly E.ON) | PER PRE-F enclosure meets PRE requirements |
PER 2F enclosures comply with the connection requirements of ČEZ Distribuce and EG.D (formerly E.ON Distribuce). PER PRE-F enclosures comply with the connection requirements of PRE Distribuce. These enclosures are based on the Modul meter enclosure system and are designed for dual-rate metering up to In 63 A. We offer versions rated up to 40 A and 63 A, in three-phase designs, for recessed installation in masonry or as a complete pillar.
- Spacious incoming connection area for conductors up to 16 mm2
- Conductors are identified by insulation colour and wire markers
- The installation switch is included under its own unsealed cover
- Robust lock with return spring
- Incoming connection to the upper terminals of the main circuit breaker, rated up to In 63 A (the breaker is available as a separate accessory), with a spacious connection area for incoming conductors up to 16 mm2
- Quality OEZ LTN circuit breaker rated In 2 A and Icn 10 kA to protect the ripple-control receiver (HDO)
- Provision for easy routing of rear incoming and outgoing cables
- Quality terminal blocks and a spacious connection area for outgoing conductors up to 16 mm2
- Conductors are identified by insulation colour and wire markers
- TN-C or TN-S outgoing connection option
| up to 40 A | up to 63 A | up to 80 A | |
| three-phase version | |||
| single-phase version |
Our technical team will be happy to answer any questions you may have. You can find our contact details here.