Model 617 Indoor Current Transformer
Indoor current transformer for protective relaying, metering, and instrumentation; rated 10 kV, 10 kV BIL.
Our 617 provides reliable indoor current transformer performance for protective relaying, metering, and instrumentation.
Overview
The Model 617 Indoor Current Transformer is engineered for indoor service in utility, industrial, and commercial electrical distribution installations, targeting protective relaying, metering, and instrumentation. For energy management systems and instrumentation. Frequency 50-400 Hz. Insulation Level 600 Volts, 10 kV BIL full wave
Constructed with precision-wound cores and robust insulation, the 617 maintains rated accuracy through repeated thermal cycling, mechanical vibration, and environmental exposure typical of indoor installations. Key ratings: 10 kV, 10 kV BIL. 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
- 50–400 Hz
- Insulation BIL
- 10 kV
- Weight
- 1.2 lbs
- Mounting
- Indoor
- Application
- Metering, Energy Management
- Standards
- UL, CSA
- Core Type
- Split Core / Clamp-On
- Insulation Level
- 600 Volts, 10 kV BIL full wave
- Construction
- Core and winding encased in UL-approved plastic
- Terminals
- 8-32 brass studs with one flatwasher, lockwasher, and regular nut
- Leads (optional)
- Flexible leads UL 1015, 105°C, CSA approved, #16 AWG, 24" long, available
- Continuous Thermal Current Rating Factor
- 1.33 at 30°C amb., 1.0 at 55°C amb.
- Window Size
- 2.00" x 3.50"
Specification Table
| Primary A | Secondary A | Ratio (display) | ANSI Metering Class | Thermal Rating Factor @ 30°C | Thermal Rating Factor @ 55°C |
|---|---|---|---|---|---|
| 400 | 5 | 400:5 | — | 1.33 | 1 |
| 500 | 5 | 500:5 | — | 1.33 | 1 |
| 600 | 5 | 600:5 | — | 1.33 | 1 |
| 800 | 5 | 800:5 | 1.2B0.2 | 1.33 | 1 |
| 1000 | 5 | 1000:5 | 1.2B0.2 | 1.33 | 1 |
| 1200 | 5 | 1200:5 | 0.6B0.1 | 1.33 | 1 |
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