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ERMCO COMPONENTS INC

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BUSHINGS

ECI manufactures bushings for use in pole and padmount oil-filled distribution transformers and other oil-filled electrical apparatus.

ECI manufactures an externally operated switch that provides a means of performing electrical testing of transformers that are equipped with an internal under-oil lighting arrester.

1.2 kV Class, 30 kV BIL
Polemount Low Voltage Bushing

High Voltage
Bushing Well

200 AMP, 35 kV
Integrated Bushing

Triclamp Low
Voltage Bushing

  • Expulsion Fuses

    ECI manufactures a complete product range of expulsion fuses for use in oil-filled distribution transformers.
  • Arrester Disconnect Switch

    ECI's DSN switches allow electrical testing of transformers equipped with internal under oil lighting arresters.
  • Product Accessories

    ECI's product accessories enhance the performance and reliability of transformers.
  • Circuit Breakers

    ECI manufactures internal oil-immersed secondary circuit breakers for use in oil-filled transformers.
  • Breaker Accessories

    ECI's line of accessories facilitate the assembly of circuit breakers into oil-filled transformers.
  • Dry-Well Fuseholders

    ECI's dry-well fuseholders allow the placement of dead front type current limiting fuses in transformers.
  • Arresters

    ECI's lightning arresters were designed for the low voltage side of single or three phase transformers.

High Voltage Bushing Well

ECI manufactures the SURE MAKE separable connector high voltage bushing well is designed for the termination of primary leads in oil filled devices such as padmounted transformers. The bushing well mating interface conforms to ANSI/IEEE Standard 386 for Separable Insulated Connectors and will accept switch modules (bushing well inserts) complying with the Standard.

High Voltage Bushing Well – 25 kV Class

9U03DAS125 – Standard stud type

9U03DAR125 – Replaceable stud type

  • Insulated body is molded of a polyester formulation designed for excellent electrical, thermal, and mechanical properties.
  • The ground shield coating is oil resistant.
  • The removal stud version.
  • Tin plated for corrosion resistance and ease of removal.
  • Uses a readily available 5/8” Allen wrench to replace the stud.

200 AMP, 35 kV Integrated Bushing

ECI manufactures a SURE MAKE separable connector 200-amp, 35 kV Class 3 Phase Rated Loadbreak Integrated Bushing that meets all requirements of ANSI/IEEE Standard 386 – Separable Insulated Connector Systems.

 

The bushing combines the advantages of reliable one-piece design with the operating features required for underground distribution switching. The bushing is designed for padmount transformers, switchgear, and other apparatus filled with transformer oil.

200A 35 kV Class Three Phase Integrated Loadbreak Bushing

9U02DBC001 – Bushing only

9U02DBC002 – Bushing, Steel Clamp and Gasket

9U02DBC003 – Bushing, Stainless Steel Clamp and Gasket

  • Insulating body is molded of an epoxy formulation designed for excellent electrical, thermal, and mechanical properties.
  • The ground shield coating oil resistant. The coating covers from the elbow cuff mating surface and extends 1/2” beyond the sealing gasket through the tank wall.
  • Maximum continuous voltage 35 kV RMS.
  • Maximum continuous line to ground voltage 21.1 kV RMS.
  • Maximum continuous line to line voltage 36.6 kV RMS.
  • Continuous current 200-amp RMS.
  • Switching 10 operations at 200-amp RMS at 36.6 kV.
  • Fault closure 10,000-amp RMS symmetrical at 36.6 kV after 10 switching operations for 0.17 seconds.

Triclamp Low Voltage Bushing

ECI manufactures triclamp style integral low voltage bushings for padmounted transformers, switchgear and other apparatus filled with transformer fluid. Select from either 5/8″ or 1″ threaded copper studs integrally bonded to HTN insulation. Varying threaded stud lengths are available to accommodate your application.

0.625 Triclamp

Voltage Ratings and Rating Characteristics

  • Standard Voltage Class  1.2kV
  • AC 60 Hz 1 Minute Withstand 10kV
  • BIL and Full Wave Crest  30kV

Current Ratings and Rating Characteristics

  • 5/8” Copper Stud 590 A rms in transformer oil

Available threaded stud lengths (minimum usable thread lengths)

  • 1.75”
  • 2.19”

1.00 Triclamp

Voltage Ratings and Rating Characteristics

  • Standard Voltage Class  1.2kV
  • AC 60 Hz 1 Minute Withstand 10kV
  • BIL and Full Wave Crest  30kV

Current Ratings and Rating Characteristics

  • 1” Copper Stud                 1,500 A rms in transformer oil

Available threaded stud lengths (minimum usable thread lengths)

  • 1.75”
  • 2.25”
  • 3.00”