Model 143 Current Transformer
Introducing the Model 143 Current Transformer, a precision instrument and brought to you by Spectrum Industries. Designed to deliver accurate current measurement and reliable performance, this current transformer is an essential component for various electrical applications, from industrial automation to power distribution systems. Its robust construction and high-quality materials ensure durability and long-term stability, making it suitable for demanding environments where precision and dependability are paramount.
Overview
Introducing the Model 143 Current Transformer, a precision instrument and brought to you by Spectrum Industries. Designed to deliver accurate current measurement and reliable performance, this current transformer is an essential component for various electrical applications, from industrial automation to power distribution systems. Its robust construction and high-quality materials ensure durability and long-term stability, making it suitable for demanding environments where precision and dependability are paramount.
The Model 143 Current Transformer features a compact and user-friendly design that simplifies installation and integration into existing electrical setups. Its core design minimizes losses and enhances accuracy, providing precise current readings crucial for effective system monitoring and control. Whether used for metering, protection, or control purposes, this transformer ensures consistent performance across a wide range of operating conditions.
a globally recognized leader in electrical and electronic manufacturing, the Model 143 embodies the company's commitment to innovation, quality, and safety. Spectrum Industries, as the trusted distributor, ensures that you receive this high-performance product backed by expert support and reliable service. Whether you're upgrading your current system or designing a new installation, the Model 143 Current Transformer is a dependable choice that guarantees precision and durability for your electrical measurement needs.
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Product Specifications
- Frequency
- 50–400 Hz
- Insulation BIL
- 10 kV
- Weight
- 60 lbs
- Application
- Metering, Protection
- Standards
- ANSI/IEEE C57.13, IEC 44-1
- Insulation Voltage Class
- 600 V
- Terminals
- Brass screws No. 10-32 with one flatwasher and lockwasher
- Window Diameter
- 7.31 in
- Mounting Bracket Kit
- Order separately, kit 0221B00775
- Multi-ratio
- Available on request
- Approval
- Approved for revenue metering by Industry Canada No. AE-0642
Specification Table
| Primary A | Secondary A | Ratio (display) | Relay Class | ANSI Metering Class | Thermal Rating Factor @ 30°C | Thermal Rating Factor @ 55°C | Secondary Resistance |
|---|---|---|---|---|---|---|---|
| 50 | 5 | 50:5 | C20 | — | 2 | 2 | 0.014 |
| 75 | 5 | 75:5 | C20 | — | 2 | 2 | 0.042 |
| 100 | 5 | 100:5 | C20 | 1.2B0.1 | 2 | 2 | 0.056 |
| 150 | 5 | 150:5 | C50 | 0.6B0.2 | 2 | 2 | 0.121 |
| 200 | 5 | 200:5 | C50 | 0.3B0.2 | 2 | 2 | 0.161 |
| 250 | 5 | 250:5 | C50 | 0.3B0.2 | 2 | 2 | 0.175 |
| 300 | 5 | 300:5 | C100 | 0.3B0.5 | 2 | 2 | 0.241 |
| 400 | 5 | 400:5 | C100 | 0.3B0.9 | 2 | 2 | 0.322 |
| 500 | 5 | 500:5 | C100 | 0.3B0.5 | 2 | 2 | 0.441 |
| 600 | 5 | 600:5 | C200 | 0.3B1.8 | 2 | 1.5 | 0.53 |
| 750 | 5 | 750:5 | C200 | 0.3B1.8 | 2 | 1.5 | 0.662 |
| 800 | 5 | 800:5 | C200 | 0.3B1.8 | 2 | 1.5 | 0.706 |
| 1000 | 5 | 1000:5 | C200 | 0.3B1.8 | 1.5 | 1.33 | 0.883 |
| 1200 | 5 | 1200:5 | C400 | 0.3B1.8 | 1.5 | 1 | 1.059 |
| 1500 | 5 | 1500:5 | C400 | 0.3B1.8 | 1.5 | 1 | 1.324 |
| 1600 | 5 | 1600:5 | C400 | 0.3B1.8 | 1.33 | 1 | 1.413 |
| 2000 | 5 | 2000:5 | C400 | 0.3B1.8 | 1.33 | 1 | 1.678 |
| 2500 | 5 | 2500:5 | C400 | 0.3B1.8 | 1 | 0.8 | 2.097 |
| 3000 | 5 | 3000:5 | C800 | 0.3B1.8 | 1 | 0.8 | 2.516 |
| 3200 | 5 | 3200:5 | C800 | 0.3B1.8 | 1 | 0.8 | 2.684 |
| 3500 | 5 | 3500:5 | C800 | 0.3B1.8 | 1 | 0.8 | 2.936 |
| 4000 | 5 | 4000:5 | C800 | 0.3B1.8 | 1 | 0.6 | 3.355 |
| 5000 | 5 | 5000:5 | C800 | 0.3B1.8 | 1 | 0.6 | 3.983 |
| 6000 | 5 | 6000:5 | C800 | 0.3B1.8 | 0.8 | 0.6 | 4.78 |
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