Product Name: Basler BE1-81O/U Digital Frequency Relay Product Brand: Basler Product Code: BE1-81O/U Product Artikel: Basler BE1-81O/U Digital Frequency Relay
Features
The BE1-81O/U can be specified with up to four independently adjustable frequency setpoints and time
delays with associated output relays and target indicators.
Frequency Setpoints
Each frequency setpoint has a setting range of 40 to 70 hertz and can be switch selected to detect overfrequency or underfrequency. BE1-81O/U relays with one or two setpoints are supplied in an S1 case.
Relays with three or four setpoints are supplied in an M1 case.
Time Delays
Each definite time delay setting can be adjusted for a delay of three cycles to 990 seconds.
Undervoltage Inhibit
An undervoltage inhibit feature prevents relay operation if the sensed voltage decreases below the
adjustable front panel setting.
Targets
Either internally-operated or current-operated target indicators are available for each setpoint
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