ELSP Current-Limiting Backup Fuse

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Eaton's Cooper Power Systems ELSP Current-Limiting Backup Fuse is used in series with low current primary protection devices such as a Bay-O-Net fuse or MagneX Interrupter. The ELSP fuse is designed for use in transformer oil, Envirotemp™ FR3™ fluid, or an approved equivalent. The fuse's highly efficient current-limiting section minimizes the effects of high fault current stresses on equipment and the distribution system. Its minimum interrupting rating is coordinated with that of a low current interrupter to avoid undesirable low current operation; yet its maximum interrupting rating will clear the highest fault currents likely to occur. Higher continuous current ratings can be achieved by connecting two fuses in parallel.

Note: TransFusion program is not applicable for CBUC38 type fuses.

Catalog Number CBUC08030C100, CBUC08030C100M, CBUC08040C100, CBUC08040C100M, CBUC08050C100, CBUC08050C100M, CBUC08065C100, CBUC08065C100M, CBUC08080C100, CBUC08080C100M, CBUC08100C100, CBUC08100C100M, CBUC08125C100, CBUC08125C100M, CBUC08150D100, CBUC08150D100M, CBUC08165D100, CBUC08180D100, CBUC08180D100M, CBUC08250D100, CBUC08250D100M, CBUC09030C100, CBUC09030C100M, CBUC09040C100, CBUC09040C100M, CBUC09050C100, CBUC09050C100M, CBUC09065C100, CBUC09065C100M, CBUC15030C100, CBUC15030C100M, CBUC15040C100, CBUC15040C100M, 3CBUC15050C100, CBUC15050C100M, CBUC15065C100, CBUC15065C100M, CBUC15080C100, CBUC15080C100M, CBUC15100C100, CBUC15100C100M, CBUC15125C100, CBUC15125C100M, CBUC15150D100, CBUC15150D100M, CBUC15165C10, CBUC15165D100, CBUC15180D100, CBUC15180D100M, CBUC17030C100, CBUC17030C100M, CBUC17040C100, CBUC17040C100M, CBUC17050C100, CBUC17050C100M, CBUC17065C100, CBUC17065C100M, CBUC23030C100, CBUC23030C100M, CBUC23040C100, CBUC23040C100M, CBUC23050C100, CBUC23050C100M, CBUC23065C100, CBUC23065C100M, CBUC23080C100, CBUC23080C100M, CBUC23100C100, CBUC23100C100M, CBUC23125D100, CBUC23150D100, CBUC23165D100, CBUC38050D100, CBUC38065D100, CBUC38080D100, CBUC38100D100, CBUC38120D100, CBUC38140D100
Backup (Partial Range) “C” Rated 50,000 A rms symmetrical (Refer to TD132002EN for fuses with rating)
Recommended Single-Phase Transformer Bay-O-Net and ELSP Combinations Refer to TD132002EN
Recommended Three-Phase Transformer Bay-O-Net and ELSP Combinations Refer to TD132002EN
Recommended MagneX Interrupter and ELSP Fuse Combinations Refer to TD132002EN

Features

  • Minimizes the effects of high fault current stresses on equipment and distribution system
  • Minimum interrupting rating is coordinated with a low current interrupter to avoid undesirable low current operation
  • Maximum interrupting rating will clear the highest fault current
  • Higher continuous current ratings can be achieved by connecting two fuses in parallel
  • Double Sealing System: Buna-N rubber gasket and epoxy sealant ensures seal performance and integrity.
  • High Purity Silica Sand Filler: Specific particle size, purity, and compaction gives the heat-absorbing and arc-quenching properties necessary for consistent clearing and low energy let-thru levels.
  • Available in voltage ratings from 8.3 kV to 38 kV and amperage ratings between 30 Amps and 250 Amps.