Basler BE1-50/51B-101 Instruction Manual
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Contents
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1-2 BE1-50/51B General Information 9252000991 Rev NFigure 1-1. BE1-50/51B, S1 CaseMODEL NUMBERSModel number variations in the BE1-50/51B overcurrent relays are specified by a three digit extension tothe model number. Tables 1-1 and 1-2 provide model number, case style, switch SW3-3 selections, andsensing current input ranges. Internal switches provide for selecting system operating frequencies of 50or 60 Hz, instantaneous element delays, curve sets, and instantaneous or integrating resetcharacteristics. The location and description of these switches is provided in Section 2. Integrating resetis available in 100 series relays (e.g. - BE1-50/51B-105) when there is adequate input current to powerthe relay. Integrating reset is available in 200 series relays (e.g. - BE1-50/51B-205) even when the inputcurrent falls to zero. Two-hundred series relays also have additional characteristic curves availablethrough curve set selection.www . ElectricalPartManuals . com |
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