Central point for starting up the public
It is used in the low voltage network for electric supply of public lighting, in single-phase or three-phase system in manual or automatic mode, as well as for metering the electric energy used.
Functions
- Active electric energy metering
- Short-circuit protection with safety fuses for the main circuit and control circuit
- Manual or automatic activation of public lighting
Technical features:
| Thermal and usage rated current |
Max. 63A single-phase variant
Max. 100A three-phase circuit |
| Rated power |
230 V a.c. single-phase variant
400/230 V a.c. three-phase variant |
| Rated insulation voltage |
690 V a.c. |
| Rated frequency |
50Hz ÷ 2% |
| Protection standard |
IP 54 |
Component parts
- Metallic or polycarbonate box that provides the IP 54 normal protection standard
- Electric energy metering unit, with single-phase or three-phase counter
- Single-phase or three-phase supplying column for public lighting
- Control unit for public lighting with manual control (cam breaker) or automatic control (photocell or timer)
- Indoor electric circuits made of insulated copper conductors
- Pressure gaskets or cuttings for input/output supplying cables
- Fastening accessories (pole/wall)
Operating conditions:
| Erection location |
Outdoor |
| Climate group |
WDr/CT (moderate climate: hot dry / cold temperate) |
| Environment ambient temperature range during operation |
-25 ÷ 40°C |
| Environment ambient temperature range during transportation, storing and erection |
-40 ÷ 50°C |
| Average ambient temperature in 24 hours |
35°C |
| Air relative humidity |
Max. 90% at 20°C |
| Maximum altitude |
2000 m |
| Pollution degree |
3 |
| Over-voltage category |
Category III |
| Electro-magnetic mediums |
Environment A |
| Life span |
25 years |
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