Basler BE1-87G Instruction Manual
Also see for BE1-87G: Instruction manual
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Contents
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BE1-87B - Installation 4-5WARNINGRelays manufactured prior to July 22, 1991 (EIA date code symbol 9129 and previous)do NOT have case jumpers between terminals 7 and 8 (single phase units). This alsoapplies to three phase relays terminals 7 and 8, terminals 13 and 14, and terminals 17and 18. Exercise CAUTION when grounding or testing current transformer circuitsconnected to these terminals.NOTEBe sure the relay case is hard-wired to earth ground with no smaller than 12 AWG copperwire attached to the ground terminal on the rear of the relay case. When the relay isconfigured in a system with other protective devices, it is recommended to use aseparate lead to the ground bus from each relay.Figure 4-7. S1 Case And Reactor, Outline Dimensions (Semi-Flush Mounting)CONNECTIONSIncorrect wiring may result in damage to the relay. Be sure to check model and style number against theoptions listed in the Style Number Identification Chart before connecting and energizing a particular relay.Except as noted above, connections should be made with minimum wire size of 14 AWG. Typical dc controlconnections are shown in Figure 4-8. Sensing input connections are shown in Figures 4-9 and 4-10.Terminals 7, 13, and 17 are provided for convenience and to insure compatibility with earlier versions of therelay. Figures 4-11 and 4-12 are typical internal connection diagrams. |
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