Model JVW-4A Outdoor Voltage Transformer
Outdoor voltage transformer for metering, protective relaying, and control power; rated 75 kV, 75 kV BIL, 0VA.
Our JVW-4A provides reliable outdoor voltage transformer performance for metering, protective relaying, and control power.
Overview
The Model JVW-4A Outdoor Voltage Transformer is engineered for outdoor service in utility, industrial, and commercial electrical distribution installations, targeting metering, protective relaying, and control power. Model JVW-4A is a high accuracy voltage transformer designed for outdoor service. This model will meet IEEE C57.13
Constructed with precision-wound cores and robust insulation, the JVW-4A maintains rated accuracy through repeated thermal cycling, mechanical vibration, and environmental exposure typical of outdoor installations. Key ratings: 75 kV, 75 kV BIL, 0VA. Design conforms to IEEE C57.13 (where applicable) for instrument-transformer accuracy and dielectric testing.
Typical deployments include substation switchgear, generator and transformer protection, revenue metering, feeder and motor protection, and control-room instrumentation. Refer to the attached data sheet for complete ratio, burden, accuracy class, and dimensional details; contact our engineering team for custom ratings, extended range, or non-standard configurations.
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Product Specifications
- Frequency
- 60 Hz
- Insulation BIL
- 75 kV
- Weight
- 105 lbs
- Mounting
- Outdoor
- Application
- Metering, Protection
- Standards
- ANSI/IEEE C57.13
- Thermal Rating
- 2,000 VA (55 C rise above 30 C)
- Shipping Weight
- 120 lbs
- Dimensions
- 16.88" (h) x 14.25" (w) x 13.05" (d)
- Creep Distance
- 20.38" [517.7 mm]
- Strike Distance
- 12" [305 mm]
- Insulation Material
- HY-BUTE 60 Butyl Rubber, molded
- Primary Winding Style
- Lattice-type, precast in epoxy resin
- Design Standard
- IEEE C57.13
- Measurement Canada Approval
- AE-2027
- Primary Terminal Max Conductor Size
- Vertical: 250 MCM Cu / 4/0 Al; Horizontal: 3/0 Cu / 2/0 Al; min AWG 10 either way
- Baseplate Material
- Stainless steel, with welded stainless-steel grounding lug
- Overall Accuracy — Accuracy
- 0.15
- Overall Accuracy — Condition
- IEEE accuracy classes W, X, M, Y at rated 60 Hz burden, 90-110% of rated voltage
- Burden — Value
- 2000
- Burden — Condition
- max
Specification Table
| Primary V | Secondary V | Ratio (display) |
|---|---|---|
| 2400 | 120 | 20:1 |
| 4200 | 120 | 35:1 |
| 4800 | 120 | 40:1 |
| 7200 | 120 | 60:1 |
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