Model 785 Current Transformer
Introducing the Model 785 Current Transformer, a precision instrument and brought to you by Spectrum Industries. Designed with accuracy and reliability in mind, this current transformer is an essential tool for professionals seeking to monitor and measure electrical currents with confidence. Whether used in industrial, commercial, or utility settings, the Model 785 provides precise current transformation capabilities that ensure your measurements are both accurate and consistent.
Overview
Introducing the Model 785 Current Transformer, a precision instrument and brought to you by Spectrum Industries. Designed with accuracy and reliability in mind, this current transformer is an essential tool for professionals seeking to monitor and measure electrical currents with confidence. Whether used in industrial, commercial, or utility settings, the Model 785 provides precise current transformation capabilities that ensure your measurements are both accurate and consistent.
a globally recognized leader in electrical and electronic manufacturing, this current transformer embodies the highest standards of quality and performance. Spectrum Industries has partnered with to bring this advanced device to market, ensuring that it meets the rigorous demands of modern electrical systems. The Model 785 features robust construction, making it suitable for demanding environments, while its design ensures ease of installation and operation.
This current transformer is ideal for applications such as power distribution monitoring, electrical testing, and system protection. Its reliable performance helps users detect faults, optimize energy usage, and maintain system stability. With the Model 785, Spectrum Industries offers a premium solution that combines ’s technological expertise with their commitment to delivering durable, high-quality electrical instruments. Whether for new installations or maintenance projects, this current transformer is a dependable choice for professionals seeking precision and durability in their electrical measurements.
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Product Specifications
- Frequency
- 50–400 Hz
- Insulation BIL
- 10 kV
- Weight
- 58 lbs
- Application
- Metering, Protection
- Standards
- UL, ANSI/IEEE C57.13, IEC 44-1
- Window Diameter
- 6.50 in
- Insulation Level
- 0.6 kV, BIL 10 kV full wave
- Secondary Terminals
- Brass screws No. 10-32 with one flatwasher, lockwasher, accessible from either side
- Continuous Thermal Current Rating Factor (TRF)
- 50:5-1,200:5 & 2,000:5: 2.0 @30C / 1.5 @55C; 1,500:5, 1,600:5 & 2,500:5: 1.5 @30C / 1.33 @55C; 3,000:5-4,000:5: 1.33 @30C / 1.0 @55C
- Excitation Data
- Available upon request
Specification Table
| Primary A | Secondary A | Ratio (display) | Relay Class | ANSI Metering Class | Thermal Rating Factor @ 30°C | Thermal Rating Factor @ 55°C |
|---|---|---|---|---|---|---|
| 50 | 5 | 50:5 | C10 | — | 2 | 1.5 |
| 75 | 5 | 75:5 | C20 | 1.2B0.2 | 2 | 1.5 |
| 100 | 5 | 100:5 | C20 | 0.6B0.1 | 2 | 1.5 |
| 150 | 5 | 150:5 | C50 | 0.6B0.2 | 2 | 1.5 |
| 200 | 5 | 200:5 | C50 | 0.3B0.2 | 2 | 1.5 |
| 250 | 5 | 250:5 | C50 | 0.3B0.2 | 2 | 1.5 |
| 300 | 5 | 300:5 | C100 | 0.3B0.5 | 2 | 1.5 |
| 400 | 5 | 400:5 | C100 | 0.3B0.5 | 2 | 1.5 |
| 500 | 5 | 500:5 | C100 | 0.3B0.9 | 2 | 1.5 |
| 600 | 5 | 600:5 | C200 | 0.3B0.9 | 2 | 1.5 |
| 750 | 5 | 750:5 | C200 | 0.3B1.8 | 2 | 1.5 |
| 800 | 5 | 800:5 | C200 | 0.3B1.8 | 2 | 1.5 |
| 1000 | 5 | 1000:5 | C200 | 0.3B1.8 | 2 | 1.5 |
| 1200 | 5 | 1200:5 | C400 | 0.3B1.8 | 2 | 1.5 |
| 1500 | 5 | 1500:5 | C400 | 0.3B1.8 | 1.5 | 1.33 |
| 1600 | 5 | 1600:5 | C400 | 0.3B1.8 | 1.5 | 1.33 |
| 2000 | 5 | 2000:5 | C400 | 0.3B1.8 | 2 | 1.5 |
| 2500 | 5 | 2500:5 | C400 | 0.3B1.8 | 1.5 | 1.33 |
| 3000 | 5 | 3000:5 | C400 | 0.3B1.8 | 1.33 | 1 |
| 4000 | 5 | 4000:5 | C400 | 0.3B1.8 | 1.33 | 1 |
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