BU1DC2 DC Voltage Relay (BU1DC224)
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Configuration
The relay BU1DC of the BASIC LINE is equipped with an over- (U>) and undervoltage supervision (U<) with separate adjustable pick-up values and common trip delay (t) and hysteresis (DIFF).
The BU1DC is designed to be fastened onto a DIN-rail acc. to DIN EN 50022. (This is the case for all relays of the BASIC LINE.)
Settings
| Parameter | Setting Range |
|---|---|
| U< | 0.7 … 1.1 Un |
| U> | 1.0 … 1.4 Un |
| tf> | 0 … 100 s |
| DIFF | 2%, 4%, 6%, 8%, 10% |
Self-powered – No aux. Voltage needed
Easy DIN rail mounting
Sealable plastic covers
Very easy settings via buttons at the front
Fault indication via LED and output relays
Operational from −25°C to 70°C
Overvoltage and undervoltage supervision
Settable hysteresis (2%, 4%, 6%, 8%, 10%)
AC and DC Voltage based supervision devices.
The Basic Line devices are self-powered – Measuring voltage also supplies the device.
The Basic Line scope covers voltage and frequency limits as well as ROCOF and vector surge.