JKW-250ER Outdoor Current Transformer High Accuracy - 46KV Class
Introducing the JKW-250ER Outdoor Current Transformer, a high-precision device engineered by Spectrum Industries to meet the demanding needs of modern electrical systems. Designed for outdoor applications, this current transformer offers exceptional accuracy and reliability, ensuring that power measurement and protection systems operate seamlessly and efficiently. With a 46kV class rating, the JKW-250ER is suitable for high-voltage environments, providing dependable performance even under challenging conditions.
Overview
Introducing the JKW-250ER Outdoor Current Transformer, a high-precision device engineered by Spectrum Industries to meet the demanding needs of modern electrical systems. Designed for outdoor applications, this current transformer offers exceptional accuracy and reliability, ensuring that power measurement and protection systems operate seamlessly and efficiently. With a 46kV class rating, the JKW-250ER is suitable for high-voltage environments, providing dependable performance even under challenging conditions.
a global leader in electrical equipment and technology, this current transformer benefits from advanced manufacturing standards and innovative design features. Its robust construction ensures durability and long-term stability, making it an ideal choice for utility companies, industrial facilities, and electrical infrastructure projects. The high accuracy of the JKW-250ER allows for precise current measurement, which is crucial for effective system monitoring and fault detection, ultimately enhancing safety and operational efficiency.
Spectrum Industries’ commitment to quality and performance is evident in this product, which combines ’s technological expertise with Spectrum’s dedication to delivering reliable electrical solutions. Whether used for metering, protection, or control purposes, the JKW-250ER outdoor current transformer provides a dependable and accurate solution for high-voltage applications. Its rugged design and precision make it a valuable asset in maintaining the integrity and safety of electrical power systems.
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Product Specifications
- Frequency
- 60 Hz
- Insulation BIL
- 250 kV
- Weight
- 543 lbs
- Mounting
- Outdoor
- Application
- Metering, Protection
- Standards
- ANSI/IEEE C57.13
- Shipping weight
- 633 lbs
- Creep distance
- 70.98" [1803mm]
- 1 sec thermal limit
- 75x normal
- 2 cycle mechanical limit (low ratio)
- 170x rated
- 2 cycle mechanical limit (high ratio)
- 85x rated
- Insulation material
- HY-BUTE 60 Butyl Rubber
- Extended-range metering core accuracy
- 0.15% accuracy from 1% of rated current to rating factor (within burden capability), exceeding IEEE C57.13.6-2005 high-accuracy definition
- Relay core metering accuracy
- 0.15% accuracy from 5% of rated current to its rating factor
- Secondary terminal box
- Box relocatable to any of three base sides; two 1.5in threaded conduit openings plus one 1.5in bottom knockout; grounding terminal provided
- Baseplate mounting holes
- Four 13/16in mounting holes, two lifting eye-bolts, two-bolt ground connector
Specification Table
| Secondary A | Ratio (display) | ANSI Metering Class |
|---|---|---|
| 5 | 25/50:5//5 | 0.3B0.9 |
| 5 | 50/100:5//5 | 0.3B0.9 |
| 5 | 75/150:5//5 | 0.3B0.9 |
| 5 | 100/200:5//5 | 0.3B0.9 |
| 5 | 150/300:5//5 | 0.3B0.9 |
| 5 | 200/400:5//5 | 0.3B0.9 |
| 5 | 300/600:5//5 | 0.3B0.9 |
| 5 | 500/1000:5//5 | 0.3B0.9 |
| 5 | 600/1200:5//5 | 0.3B0.5 |
| 5 | 800/1600:5//5 | 0.3B0.9 |
| 5 | 1000/2000:5//5 | 0.3B0.9 |
| 5 | 1500/3000:5//5 | — |
| 5 | 50:5//5 | — |
| 5 | 100:5//5 | — |
| 5 | 150:5//5 | — |
| 5 | 200:5//5 | — |
| 5 | 300:5//5 | — |
| 5 | 400:5//5 | — |
| 5 | 600:5//5 | — |
| 5 | 1000:5//5 | — |
| 5 | 1200:5//5 | — |
| 5 | 1600:5//5 | — |
| 5 | 2000:5//5 | — |
| 5 | 3000:5//5 | — |
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