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Polymeric distribution-class arresters with UltraSIL polymer housed. Available in Normal Duty, Heavy-Duty and Riser Pole classifications,
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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
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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.
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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.
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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
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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.
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EP3
The relay of thermal protection EP3 is a reliable and high precision instrument. The EP3 is developed to simultaneously supervise up to three temperature channels.
Details
The relay of thermal protection EP3 is a reliable and high precision instrument. The EP3 is developed to simultaneously supervise up to three temperature channels. These IEDs are used to protect and monitor dry type transformers, electrical generators, industrial machinery and motors following the established standard ANSI 23, 26 and 49.
Documents
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EP4
The thermal protection relay EP4 was designed to control until four temperature channels simultaneously
Details
The relay of thermal protection EP4 is a reliable and high precision instrument. The EP4 is developed to simultaneously supervise up to four temperature channels. These IEDs are used to protect and monitor dry type transformers, electrical generators, industrial machinery and motors following the established standard ANSI 23, 26 and 49.
Documents