ESP ENG

  • Distribution Arresters

    Distribution Arresters

    Operation range 3 kV to 36 kV

    Details

    Polymeric distribution-class arresters with UltraSIL polymer housed. Available in Normal Duty, Heavy-Duty and Riser Pole classifications,

    Specifications

    • Normal Duty : 5kA
    • Heavy Duty : 10kA
    • Riser Pole : 10kA

    Documents

  • Tap Changers

    Tap Changers

    Line crews need not be exposed to high voltage conductors and hot transformer fluids

    Details

    Externally operated one-, two- and three-phase under-oil tap changer switch family eliminates many of the hazards associated with manual internal tap changing of distribution transformers.

    Specifications

    • 100 A : 150kV BIL
    • 150 A : 150kV BIL
    • 300 A : 150kV BIL

    Documents

  • Cutouts and Combos

    Cutouts and Combos

    This type L cutouts are available in both polymer and porcelain designs, which provide reliable overcurrent…

    Details

    This type L cutouts are available in both polymer and porcelain designs, which provide reliable overcurrent protection for primary distribution circuits. Overcurrent protection safeguards an electric system from excessive currents produced by abnormal conditions such as faults, line or equipment overloads, or equipment failures.

    Specifications

    • 15 KV : 110 kV BIL
    • 27 KV : 125 kV BIL
    • 27 KV : 150 kV BIL

    Documents

  • Bayonet Fuses

    Bayonet Fuses

    To protect distribution apparatus from damaging currents and to protect distribution systems from failed apparatus.

    Details

    Its ideal use is in a two-fuse protection scheme with a current-limiting backup fuse. In this arrangement, secondary faults and overload currents are cleared by the Bay-O-Net fuse, and high level faults are cleared by the current-limiting fuse. The two fuses are connected in series

    Specifications

    • 8.3 KV :
    • 15.5 KV :
    • 23 KV :

    Documents

  • Radiators

    Radiators

    Maximum flexibility, available in two types: Integral Header (IHR) (9, 12, and 15 inches wide) and Welded…

    Details

    Maximum flexibility, available in two types: Integral Header (IHR) (9, 12, and 15 inches wide) and Welded Header (12 and 15 inches and 520mm wide). The 520mm provides a DIN Standard radiator configured to meet North American requirements. Standard center line mounting lengths range from 21 to 180 inches.

    Specifications

    • Carbon Steel :
    • Stainless Steel :
    • Hot Dip Galvanized :

    Documents

  • Evolution Arrester

    Evolution Arrester

    Exceeds protective levels offered by standard metal oxide varistor arresters.

    Details

    The Evolution surge arrester uses specially formulated and highly durable Metal Oxide Varistors (MOVs) in combination with a proprietary insulating ceramic ring assembly.

    Specifications

    • 3 To 36 KV : 10 kA
    • TOV : 1.78 pu

    Documents

  • Internal Arrester

    Internal Arrester

    Heavy-duty Distribution Class Under-oil MOV Arrester

    Details

    Under-oil MOV arrester is designed in accordance with ANSI/IEEE C62.11 heavy-duty distribution class requirements. It is designed for either horizontal or vertical mounting inside the distribution transformer tank to eliminate the difficulties associated with externally mounted arresters.

    Specifications

    • 3 KV To 27 KV : 2.55 kV To 22 kV MCOV

    Documents

  • Low Voltage Arrester

    Low Voltage Arrester

    Is available in three design configurations: external mount, metal enclosed, and internal mount.

    Details

    StormTrapper H.E. (High Energy), low voltage distribution class surge arresters are designed to provide surge protection at distribution transformer secondary bushings, service entrance locations, and any other electrical apparatus connected to a secondary voltage source.

    Specifications

    • 175 V : 175 V MCOV
    • 240 V : 240 V MCOV
    • 480 V : 400 V MCOV
    • 650 V : 540V MCOV

    Documents

  • IEC Distribution Arrester Class 1

    IEC Distribution Arrester Class 1

    Operation range 3 kV To 36 kV

    Details

    Polymeric IEC distribution arrester class 1, Use Metal Oxide Varistors (MOVs) having excellent electrical properties, these arresters provide superior overvoltage protection for MV distribution systems.

    Specifications

    • UNS : 5 kA
    • UHS : 10 kA

    Documents

  • Pressure Relief Valves

    Pressure Relief Valves

    ANSI and REA Standards specify pressure relief valves for oil filled equipment.

    Details

    The Heartland pressure relief valve relieves excessive pressure in transformers, regulators and other electrical equipment.

    Specifications

    • 5 PSI : 35 SCFM
    • 10 PSI : 35 SCFM
    • 10 PSI : 50 SCFM
    • 10 PSI : 60 SCFM

    Documents

  • Dual voltage

    Dual voltage

    line crews need not be exposed to high-voltage conductors and hot transformer fluids.

    Details

    Externally operated series multiple switch is used to change connection of de-energized transformer windings between series and parallel to provide different common transformer voltage ratios.

    Specifications

    • 125 KV BIL : 50/100 A
    • 150 KV BIL : 150/300/600 A

    Documents

  • IFD

    IFD

    Standards: The IFD conforms to: IEEE C57.12.20, CSA C2.2, IEC 61936-1

    Details

    The IFDTM is a sensor that detects internal arcing faults in distribution transformers. The sensor releases a highly visible orange signal that shows the line worker the transformer status before re-energizing.

    Specifications

    • Available : 5 - 10 psig

    Documents

  • GreenCap Valves

    GreenCap Valves

    GreenCap® Series now makes easy to distinguish the NEB fluid filled transformers from the Mineral Oil filled transformers.

    Details

    This valve is designed specially to be used in transformers filled with natural ester fluids such as the FR3. Ensures compatibility and flow requirements for these fluids.

  • VG100

    VG100

    Aceite Dieectrico Biodegradable

    Details

    Es un aceite vegetal dieléctrico con características de biodegradabilidad y de resistencia al flameo aplicable a los transformadores eléctricos. Este Nuevo fluido es 100% amigable con el medio ambiente.