CEL-NA-S
Grid protection
| Basic data | |
|---|---|
Item number | 20000-00001 |
EAN | 9506985279970 |
Grid and system protection relay monitoring voltage, frequency, ROCOF/phase shift and phase sequence. 3 isolated change-over relays for coupling contactors, digital inputs for feedback and remote trip, optional Modbus RTU. For PV, CHP, storage, wind and hydro.
| Technical data | |
|---|---|
Supply | |
Supply voltage | 24 V DC / 110-230 V AC (48-63 Hz) |
Measuring circuit | |
Measuring input | 3x400 V AC (L1/L2/L3/N) |
Inputs/outputs | |
Output relays | 3x changeover contacts |
Relay rated current | 5 A / 250 V AC |
Digital inputs | I1-I3; optional I4-I5 |
Communication | |
Interface | Modbus RTU (RS-485), optional |
Mounting & connection | |
Mounting | DIN rail EN 60715 |
Conductor cross-section | max. 2.5 mm², stripping length 8 mm |
Tightening torque | max. 0.5 Nm |
Protection classes | |
Housing | IP2X/B |
Terminals | IP2X/B |
Environmental conditions | |
Operation | -25 ... +65 °C |
Storage | -40 ... +70 °C |
Humidity | 5 ... 95 % RH, non-condensing |
Standards | |
Supported standards | VDE-AR-N 4105/4110 EN 50549-1/-2 CEI 0-21 C10/11 |