for Electrical Submersible
design and quality
and tested to Canadian
(CSA) Standard C2-M1991,
which is one of
the most stringent
standards in the
The COSCO Distribution transformer
is designed with the following
- Vacuum oil
filled, nitrogen topped, ONAN (Oil Natural, Air Natural cooling)
shell type magnetic core, to eliminate circulating current within the
bushings (covered bushings are an option), channel iron skid base and
sealed tank design (for longevity), with a bolted cover and side
- Off circuit
Tap arrangement of up to 25 taps, for accurate secondary voltage
- Cover to Tank
- Tank Ground
Boss with connectors for #6 - 2/0 cable.
- SS Ground Bar
with 9/16" (14) Dia. Hole.
- Fill and drain
holes (1" (25) pipe fitting with SS plug)
- Drain valve
and plug (1" NPS Cast Steel Globe Valve with SS plug)
- Nitrogen fill
Relief valve (1/4 " (6) NPT)
Temperature Gauge (Maximum indicating type)
- Oil Level Gauge
- Bushings with
clamp type connector for #6 to 4/0 stranded copper or aluminum cable.
- Bushing BIL
(Basic Impulse Level) specified upon request.
- Built to CSA
C2-M1991 and ANSI Standards.
recognized Quality Control by ISO 9000 (International Standards
steel name plate
- Paint coated
with White Epoxy