RS ISOLSEC - Model J..FD.. Series - Bushing Current Transformers
RS ISOLSEC specializes in the design and manufacture of high-quality transformers tailored for low- and medium-voltage applications. Their product range focuses on offering reliable and precise measurement as well as protection solutions to ensure the efficiency and safety of electrical systems. Cast resin technology is employed in their transformers, providing excellent insulation and durability. Their product lineup includes bushing current transformers, which come with detailed technical specifications accessible through their catalog. RS ISOLSEC is dedicated to delivering products that meet the exacting standards of the industry, enabling customers to achieve optimized performance in their electrical infrastructures. The company's commitment to quality, technical excellence, and customer service positions it as a leader in the transformer manufacturing sector.
Current transformers moulded in self extinguishing resin for the mea- sure of AC currents from 50 up to 10,000A.
With inner diameters from 200 to 400 mm, these transformers are often used on power transformers bushings or on generator bus bars. 2 versions, indoor or outdoor, are available.
The outdoor version is equipped with a weatherproof terminal box fitted with 2 cable glands.
- Highest voltage for equipment 0.72 kV
- Power-frequency withstand voltage 3 kV
- Primary current Ipn 50 to 10,000 A
- Secondary current Isn 5 or 1 A
- Frequency 50 or 60 Hz
- Rated output 1 to 60 VA
- Accuracy class 0.5 - 1 - 3
- Security factor 5 to 30
- Continuous thermal current 1.2 Ipn
- Short-time thermal current Ith 80 Ipn .1s
- Dynamic current Idyn 2.5 Ith
- Insulation class F
- Ambient temperature - 5°C to + 40°C
- Standards IEC - IEEE - CSA - AS - BS - UNE
- Highest voltage for equipment Up to 2,400 V
- Power-frequency withstand voltage Up to 11 kV
- Secondary current Isn 0.005 to 10 A
- Frequency 1 to 10 000 Hz
- Accuracy class 0.1 - 0.2 - 0.2S - 0.5 - 0.5S - 1 - 3 - 5P 10P - clPX
- Accuracy limit factor 5 - 10 - 15 - 20 - 30
- Multi ratio Always by secondary connections
- Multiple cores
- Ambient temperature - 40°C to + 70°C