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Summary of Contents for Seg Basic Series
- Page 1 MANUAL Basic Line PROTECTION TECHNOLOGY MADE SIMPLE BU1-DC DC VOLTAGE RELAY DC VOLTAGE RELAY Original document English Revision: B...
- Page 2 SEG Electronics GmbH Manual BU1-DC2 GB SEG Electronics GmbH reserves the right to update any portion of this publication at any time. Information provided by SEG Electronics GmbH is believed to be correct and reliable. However, no responsibility is assumed by SEG Electronics GmbH unless otherwise expressly undertaken.
- Page 3 Manual BU1-DC2 GB SEG Electronics GmbH Application Supervision of DC voltages Function Unit BU1-DC2 is equipped with an over- (U>) and undervoltage supervision (U<) with separate ad- justable pick-up values and common trip delay (t) and hysteresis (DIFF). The DC voltage measured is constantly compared with the set reference values. Any voltage sig- nal, which exceeds the set reference value for overvoltage, or falls below the set reference value for undervoltage, will cause the respective relay to trip after elaps of the time delay.
- Page 4 SEG Electronics GmbH Manual BU1-DC2 GB Figure 1: Front plate Unit BU1-DC2 is designed to be fastened onto a DIN-rail acc. to DIN EN 50022, same as all units of the BASIC LINE. The front plate of the unit is protected with a sealable transparent cover (IP40).
- Page 5 Manual BU1-DC2 GB SEG Electronics GmbH Auxiliary voltage supply Unit BU1-DC2 needs no separate auxiliary voltage supply. The supply voltage can be formed di- rectly from the measuring quantity. Figure 3: Connection diagram Figure 4: Contact positions DOK-TD-BU1-DC2E Rev. B...
- Page 6 SEG Electronics GmbH Manual BU1-DC2 GB Connecting terminals The connection up to a maximum of 2 x 2.5 s mm cross-section conductors is possible. For this procedure the transparent cover of the unit has to be removed. Setting ranges U<: 0.7 - 1.1 Un...
- Page 7 Basic Line www.SEGelectronics.de SEG Electronics GmbH reserves the right to update any portion of this publication at any time. Information provided by SEG Electronics GmbH is believed to be correct and reliable. However, SEG Electronics GmbH assumes no responsibility unless otherwise expressly undertaken.
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