CT Coils

CT Coils Specification

Standard
IS 2705 / IEC 61869 (for CTs)

Rated Voltage
300V AC (customizable)

Load Loss
Minimal (<1% for rated load)

Low Voltage
Secondary Output: mV/A (depends on turn ratio)

Cooling Type
Air Cooled/Natural Cooling

Coil Material
High Conductivity Copper, Enameled or PVC coated

Capacity
Up to 5A/10A rated current (others on request)

Dimension (L*W*H)
Outer Diameter: 25-50 mm; Inner Diameter: 8-20 mm; Height: 10-30 mm (model-specific)

Operating Temperature
-20C to +70C

High Voltage
Withstands up to 2kV insulation (for short periods)

Voltage Booster Type
Passive Step-Down for Current Sensing

Product Type
Current Transformer Coil (CT Coil)

Material
Copper Wire with Ferrite or Iron Core

Output
Current Output (varies; typically mA to A)

Frequency (MHz)
Applicable for 50/60 Hz (custom versions available for higher frequencies)

Efficiency
High Efficiency, up to 98%

Phase
Single Phase/Three Phase (depending on model)

Usage
Current Measurement and Sensing

Coil Structure
Toroidal, Encapsulated

Coil Number
Single or Multiple Winding, as required

Power Scope
Low to Medium Power

Weight
50-150 grams (depending on size)

Wire Leads
Pre-wired for Easy Connection

Insulation Class
Class B or F

RoHS Compliant
Yes

Mounting
Panel or PCB Mountable

Color Coding
Available as per Project Requirement

OEM Customization
Available on Bulk Orders

Output Accuracy
1% or better (as required)

Protection
Encapsulated for Environmental Resistance

Dielectric Strength
2kV for 1 minute

Primary/Secondary Current Ratio
Varies by model; Examples: 50:5, 100:1, etc.

CT Coils About

CT Coil

CT Coil is a high-quality current transformer coil designed for accurate measurement, monitoring, and protection of electrical current in power distribution and electrical systems. It provides reliable current sensing and helps ensure efficient operation of electrical equipment. CT coils are widely used in energy meters, protection relays, switchboards, control panels, and industrial electrical applications. They are available in various sizes, specifications, and configurations to meet different system requirements.

Versatile and Customizable Solutions

Our CT Coils support a broad range of primary/secondary current ratios and can be tailored for unique project requirements. Available for either panel or PCB mounting, they suit a wide array of measurement tasks, from low to medium power. OEM customization on bulk orders ensures that specific dimensions, color codes, or connection features can be matched for your application.

Reliable Performance and Safety

Encapsulated for solid environmental resistance, these CT Coils operate reliably in temperatures from -20C to +70C. With Class B or F insulation and the ability to withstand up to 2kV dielectric strength for one minute, they deliver uncompromised safety. RoHS compliance and minimal load loss further enhance efficiency and environmental responsibility.

FAQ's of CT Coils:

Q: How do CT Coils function in current measurement systems?

A: CT Coils operate on the principle of electromagnetic induction, stepping down high primary currents to measurable secondary values for monitoring or protection devices. This enables safe, precise current sensing without direct contact with high-voltage lines.

Q: What is the process for mounting these CT Coils?

A: These CT Coils are available in both panel and PCB-mountable designs. Installation involves securing the coil onto the mount, connecting pre-wired leads according to color coding, and ensuring appropriate dielectric clearances as per the application's specifications.

Q: Where can CT Coils be used effectively?

A: CT Coils are ideal for use in energy meters, industrial automation, power distribution panels, and current monitoring systems in both commercial and industrial settings. Their encapsulated design makes them suitable for environments requiring robust protection against dust and moisture.

Q: What benefits do encapsulated CT Coils provide?

A: Encapsulation offers environmental resistance against dust, moisture, and mechanical stress, enhancing the longevity and reliability of the coil. It also stabilizes performance and maintains output accuracy even in harsh operating conditions.

Q: When should customization for CT Coils be considered?

A: Customization is ideal for projects with unique current ratios, mounting considerations, or color coding requirements. OEM customization is available for bulk orders, allowing adaptation of turns ratio, dimensions, and electrical characteristics to meet exact application needs.

Q: What standards do these CT Coils comply with?

A: These CT Coils adhere to both IS 2705 and IEC 61869 standards for current transformers, ensuring safety, consistency, and performance in accordance with industry benchmarks.

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