BF1 Frequency Relay (BF1110)
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Configuration
The relay BF1 of the BASIC LINE is equipped with an independent over- (f>) and underfrequency supervision (f<) with separate adjustable pickup values and trip delays. The measured frequency is continuously com-pared with the set reference values.
The BF1 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.)
.png "Connection BF1 (4-wire system)")
Settings
| Parameter | Range |
|---|---|
| f< | 92 … 100% fn |
| tf< | 0 … 10 s |
| f> | 100 … 108% fn |
| tf> | 0 … 10 s |
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
For one or three phase systems
Frequency supervision (hysteresis 0.5% fn)
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.