Voltage and Current Protection Relay
Code : DP-01-72-100A
In three phase systems, it measures RMS values of AC voltages, currents and system frequency sensitively. Using up direction button (Select) phase-neutral voltages and phase-phase voltages monitor sequentially. ke-DP01 has many features. Those are; - Phase Failure (seq) - Phase Sequence (seq) - Over Voltage Protection (o - U) - Under Voltage Protection (u - U) - Voltage Unbalance (asymmetry) Protection (unb) - Over Current Protection (o - C) - Under Current Protection (u - C) - Current Unbalance (asymmetry) Protection (ubC) - Over Frequency Protection (o - F) - Under Frequency Protection (u - F) When device is turn on if its adjusted voltages and frequency in its interval and if phase sequence is correct relay switch on. If any of error occurred ( except phase failure and phase sequence ) at the end of adjusted time relay switch off its contact. When system return normal values, at the end of time out relay switch on.
Technical Specifications
| . | 3 phase 3P&4W Connection Ok 1 phase 1P&2W connection No Voltage Ok Current(A) Ok Frequency Ok True RMS Ok Phase sequnce control Ok Phase failure Ok Over Voltage Protection 390-460 V Under Voltage Protection 300-370 V Voltage Unbalance Protection %5-%20 Over Current Protection Ok Under Current Protection Ok Current unbalance protection %5-%40 Over/Under Frequency protection 40-70 Hz Error locking (LATCH) function Ok Current transformer ratio No 2-100A Ok Relay output 1 adet Ambient temperature -5 C....+50 C Storage temperature -20 C....+70 C Supply voltage 230 Vac<3VA Dimensions 72x72x80mm Quantity in 1 box 12 |
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