Model 188 Current Transformer
Introducing the Model 188 Current Transformer, a high-quality electrical component and manufactured by Spectrum Industries. Designed to deliver precise current measurement and reliable performance, this current transformer is ideal for a wide range of industrial, commercial, and utility applications. Whether used in power distribution systems, metering, or protection circuits, the Model 188 ensures accurate readings and consistent operation, making it an essential tool for electrical professionals.
Overview
Introducing the Model 188 Current Transformer, a high-quality electrical component and manufactured by Spectrum Industries. Designed to deliver precise current measurement and reliable performance, this current transformer is ideal for a wide range of industrial, commercial, and utility applications. Whether used in power distribution systems, metering, or protection circuits, the Model 188 ensures accurate readings and consistent operation, making it an essential tool for electrical professionals.
Produced by Spectrum Industries, a trusted name in electrical instrumentation, the Model 188 Current Transformer exemplifies durability and precision. It features robust construction and is built to meet rigorous industry standards, ensuring long-lasting performance even in demanding environments. The transformer’s design emphasizes safety, accuracy, and ease of installation, providing users with confidence in their measurements and system monitoring.
As a product, a global leader in electrical and electronic manufacturing, the Model 188 benefits from advanced engineering and quality assurance practices. This collaboration results in a reliable component that enhances the safety and efficiency of electrical systems. Whether for new installations or system upgrades, the Model 188 Current Transformer by Spectrum Industries offers a dependable solution for accurate current measurement, supporting the safe and efficient operation of electrical infrastructure.
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Product Specifications
- Frequency
- 50–400 Hz
- Insulation BIL
- 10 kV
- Weight
- 10 lbs
- Application
- Metering
- Standards
- UL, ANSI/IEEE C57.13, IEC 44-1
- ANSI Metering Class
- 0.3 B0.2
- Maximum circuit voltage
- 600 V to ground or between windings
- Terminals
- No. 10-32 brass binding head screws
- Construction
- Polyurethane resin encapsulated core and coil, plated steel mounting base
- Summing capability
- Up to six secondaries
- Dielectric Test — Voltage
- 2.5
Specification Table
| Primary A | Secondary A | Ratio (display) | ANSI Metering Class | Thermal Rating Factor @ 30°C | Thermal Rating Factor @ 55°C |
|---|---|---|---|---|---|
| 5 | 0.1 | 5:0.1 | — | 1.5 | 1 |
| 5 | 0.2 | 5:0.2 | — | 1.5 | 1 |
| 5 | 0.25 | 5:0.25 | — | 1.5 | 1 |
| 5 | 0.5 | 5:0.5 | 0.3B0.2 | 1.5 | 1 |
| 5 | 0.63 | 5:0.625 | 0.3B0.2 | 1.5 | 1 |
| 5 | 1 | 5:1 | 0.3B0.2 | 1.5 | 1 |
| 5 | 1.25 | 5:1.25 | 0.3B0.2 | 1.5 | 1 |
| 5 | 1.67 | 5:1.667 | 0.3B0.2 | 1.5 | 1 |
| 5 | 2 | 5:2 | 0.3B0.2 | 1.5 | 1 |
| 5 | 2.4 | 5:2.395 | 0.3B0.2 | 1.5 | 1 |
| 5 | 2.5 | 5:2.5 | 0.3B0.2 | 1.5 | 1 |
| 5 | 2.89 | 5:2.89 | 0.3B0.2 | 1.5 | 1 |
| 5 | 3 | 5:3 | 0.3B0.2 | 1.5 | 1 |
| 5 | 3.33 | 5:3.33 | 0.3B0.2 | 1.5 | 1 |
| 5 | 3.75 | 5:3.75 | 0.3B0.2 | 1.5 | 1 |
| 5 | 4 | 5:4 | 0.3B0.2 | 1.5 | 1 |
| 5 | 5 | 5:5 | 0.3B0.2 | 1.5 | 1 |
| 5 | 5.33 | 5:5.33 | 0.3B0.2 | 1.5 | 1 |
| 5 | 6.25 | 5:6.25 | 0.3B0.2 | 1.5 | 1 |
| 5 | 7.5 | 5:7.5 | 0.3B0.2 | 1.5 | 1 |
| 5 | 8 | 5:8 | 0.3B0.2 | 1.5 | 1 |
| 5 | 10 | 5:10 | 0.3B0.2 | 1.5 | 1 |
| 5 | 12.5 | 5:12.5 | 0.3B0.2 | 1.5 | 1 |
| 5 | 15 | 5:15 | — | 1.5 | 1 |
| 1.5 | 5 | 1.5:5 | 0.3B0.2 | 1.5 | 1 |
| 1.67 | 5 | 1.667:5 | 0.3B0.2 | 1.5 | 1 |
| 2.5 | 5 | 2.5:5 | 0.3B0.2 | 1.5 | 1 |
| 2.88 | 5 | 2.875:5 | 0.3B0.2 | 1.5 | 1 |
| 7.5 | 5 | 7.5:5 | 0.3B0.2 | 1.5 | 1 |
| 10 | 5 | 10:5 | 0.3B0.2 | 1.5 | 1 |
| 0.5 | 1 | 0.5:1 | 0.3B0.2 | 1.5 | 1 |
| 0.92 | 1 | 0.923:1 | 0.3B0.2 | 1.5 | 1 |
| 0.4 | 10 | 0.4:10 | 0.3B0.2 | 1.5 | 1 |
| — | 5 | 5+5:5 | 0.3B0.2 | 1.5 | 1 |
| — | 5 | 5+5+5+5:5 | 0.3B0.2 | 1.5 | 1 |
| — | 5 | 5+5+5+5+5:5 | 0.3B0.2 | 1.5 | 1 |
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