CT COIL

CT COIL Specification

Operating Temperature
-20C to +75C

Low Voltage
<1V (Secondary output voltage, for metering)

Capacity
Custom, typically up to 100A primary current

High Voltage
Not applicable (for low/mid voltage systems)

Cooling Type
Air-cooled, passive

Standard
IS 2705, IEC 60044-1, RoHS compliant

Dimension (L*W*H)
Approx. 40mm x 40mm x 20mm per coil

Rated Voltage
600V (Insulation rating)

Coil Material
Copper (enameled), ferrite magnetic core

Load Loss
Very low (designed for minimal loss)

Product Type
Current Transformer (CT) Coil

Material
Ferrite core with insulated copper winding

Output
Current output (mA/Amp depending on design)

Frequency (MHz)
50-60 Hz (typical)

Efficiency
High efficiency for power measurement applications

Phase
Single-phase/Three-phase application

Usage
Current measurement, protection and monitoring in electrical circuits

Coil Structure
Toroidal

Coil Number
Single or dual coil as per custom design

Power Scope
Low to medium current range (up to 100A, typical)

Weight
Approx. 50-150 grams

Accuracy Class
Class 1.0 or 3.0 (as per design)

Color
Black outer casing

Dielectric Strength
2 kV AC for 1 minute (core to secondary)

Core Type
Closed ring (toroidal)

Application Fields
Energy meters, protection relays, electronic devices & panels

Insulation Resistance
>1000 M at 500V DC

Mounting Type
Through-hole/toroidal snap fit

Testing
100% factory tested for accuracy and insulation

Lead Wire
PVC insulated, length approx. 30-50 cm

Typical Burden
2.5 VA

CT COIL 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 Application Fields

Designed for integration into energy meters, protection relays, and electrical panels, this CT Coil supports both single-phase and three-phase configurations. Its reliable accuracy and robust structure are suited for monitoring and protection in diverse commercial and industrial settings.

High Standards & Efficient Design

Adhering to IS 2705 and IEC 60044-1 standards and RoHS compliance, each CT Coil is 100% factory-tested for accuracy, insulation resistance, and dielectric strength. The use of ferrite cores with insulated copper windings ensures efficient operation with minimal power loss, supporting safe and dependable long-term use.

FAQ's of CT COIL:

Q: How is the CT Coil installed in electrical panels or devices?

A: The CT Coil utilizes a through-hole/toroidal snap-fit mounting design, enabling straightforward and secure installation in electrical panels, energy meters, or relays. The extended PVC insulated lead wires facilitate flexible connections during setup.

Q: What are the main benefits of using this CT Coil in monitoring applications?

A: This CT Coil offers high measurement precision (Class 1.0 or 3.0), excellent insulation resistance (>1000 M at 500V DC), efficient burden handling (2.5 VA), and low load loss. These features ensure better energy monitoring, enhanced circuit protection, and optimized system performance.

Q: Where can this CT Coil commonly be used?

A: It is commonly applied in energy meters, electronic devices, protection relays, and electrical distribution panels. Its design supports both single-phase and three-phase systems within low- to medium-voltage and current (up to 100A) applications.

Q: What is the typical process for quality assurance on each CT Coil?

A: Each CT Coil undergoes 100% factory testing for accuracy, insulation resistance, and dielectric strength (2 kV AC, 1 minute) before dispatch. This ensures every unit meets safety, performance, and compliance standards.

Q: When should this CT Coil be selected over conventional types?

A: This toroidal CT Coil is ideal when precision current measurement, robust electrical insulation, and space-saving through-hole mounting are required. It provides efficient operation in modern metering and monitoring applications where reliability and compact design are priorities.

Q: What standards and certifications does the CT Coil comply with?

A: The CT Coil adheres to IS 2705 and IEC 60044-1 standards, is RoHS compliant, and is factory tested for all key electrical parameters, ensuring reliability and environmental safety in operation.

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