Voltage and frequency protection in 1 or 3 phase photovoltaic systems
Functions
- Voltage and frequency protection in 1 or 3 phase photovoltaic system
- Simple, fast and reliable setting of parameters thanks to a rotary encoder with a built-in button
- Full color screen allows the device show settings and statistics at a glance
- Pre-set profiles from the major electricity distributors as well as the ability to configure voltage and frequency protection levels and shut-down times yourself
- Password protected settings
- Partial screen darkening for lower power usage. If a defect is detected, the screen will set itself to full brightness
- Input for remote control of connecting FV system by connecting N from a HDO system receiver
- 3 built-in 16A/250V power relays. No need for an external solution
- Built-in helper relays for remotely displaying or indicating connection state of FV system
- 100–277VAC supply voltage, power consumption under 5W
- Single phase measurement range: 100–295VAC, 3 Phase: 170–520VAC
- Option of 1–3 degrees of protection
Technical specifications
- Supply voltage 100–277VAC, 45–65Hz, power consumption < 5W
- Range of measured ULN voltage: 100–295VAC, ULL: 170–520VAC
- Precision ± 0.5%, range 100VAC– 290VAC RMS
- Measuring L1, N frequency: 41.67–65Hz ±0,5%
- Uncertainty of measurement 0.4%, 64000 samples per 50hz period at every measuring input
- Power supply terminals L1, N
- Measurement terminals L1, L2, L3
- Input impedance of measuring input L1, L2, L3: 940k Ohm
- Switching terminals L1’, L2’, L3’ galvanically separated from L1, L2, L3
- 3 degrees of protection, single or 3 phase
- Configurable switching delay: 1–50 minutes (while testing in service mode with accelerated switching)
- Power switching relays
- AgSnO2 contacts
- Constant resistive load 16A/250VAC
- Maximum switching power per contact 4000VA
- Maximum switching current per contact 25AAC
- Mechanical endurance 2×106
- Electrical endurance 20A/250VAC (cos ϕ=1)
- Auxiliary switching relay
- AgSnO2 contacts
- Constant resistive load 6A/250VAC, 24VDC
- Maximun swithing power 1505VA/144W
- Maximum switching power 100mA/5VDC
- Operating temeperature –20°C up to +50°C
- Storage temperature –30°C up to +70°C, air humidity up to 90% (non-condensing)
- IP20 protection
- Overvoltage category III
- Dielectric strength 4kV, 4kV burst resistance, 2.5kV surge on all inputs in accordance to STN-EN 61000–6–2
- Working position vertical on DIN rail
- Cross section of connecting wires:
Power relay terminals: solid wire 6mm2 wire with 4mm2 crimp end.
Other terminals: solid wire 2.5mm2 wire with crimp end 1.5mm2
- DIN rail mounting
- Dimensions of 6 modules, 105×90×75mm
Norms and laws
| Zhoda: | zákon 56/2018 Zz |
| Metrológia: | STN EN 61000–4–30 |
| Ochrany: | STN EN 50549–1, STN EN 60255–1 |
| Bezpečnosť: | STN-EN 61010–2–201, STN EN 60664–3 |
| EMC: | 127/2016 Zz, 331/2019 Zz, STN EN 61000–1–2, STN EN 61000–6–1, STN EN 61000–6–3, STN EN 1000–3–2 |