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Current Transformers (CTs)

When current monitoring is essential for your operations, transformers must deliver dependable readings without fail. Our Current Transformers (CTs) manage power ratings from 5 VA to 30 VA with silicon steel or ferrite cores, ensuring consistent current measurement for your operations. 

Core Material

Silicon steel or ferrite for high magnetic permeability and low core losses

Winding Material

Copper wire, enamel-coated for high conductivity and durability

Voltage Rating

System voltage: 110 V – 36 kV; Secondary output: 1 V – 5 V (typical for metering)

Power Rating

5 VA to 30 VA, suited for low-power current measurement applications

Frequency Range

50 Hz to 60 Hz, optimized for standard mains-powered systems
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Product Description

Inaccurate monitoring can disrupt processes and increase costs. We design these units with enamel-coated copper windings to provide steady transformation, supporting your need for effective oversight and operational control. 

Efficiency

98% to 99.5%, designed for minimal loss in current transformation

Temperature Range

Operating: -25°C to 70°C; maximum winding temperature rise: 50°C above ambient

Insulation Class

Class B (130°C) or Class F (155°C), ensuring durability under thermal loads

Leakage Current

<0.1 mA at rated voltage, ensuring safety in measurement applications

Dimensions

Width: 50 mm to 200 mm; Height: 40 mm to 150 mm; Depth: 50 mm to 180 mm (customizable)

Weight

0.5 kg to 10 kg, depending on core size and current ratio

Mounting Type

DIN rail, busbar, or panel mount; adaptable to varied installation needs

Noise Level

<40 dB at full load, minimized for quiet operation in monitoring setups

Protection Features

Overcurrent protection, short-circuit resistance, and optional thermal cutoff

Environmental Resistance

Moderate resistance to humidity (up to 95% RH) and dust; vibration per IEC 60068-2-6

Standards Compliance

Meets or exceeds IEC 61869-2 (current transformers), UL 5085-1, EN 55032 (EMI), and RoHS

Technical Advantages

Current measurement needs transformers that optimize energy use and handle heat effectively. Our Current Transformers (CTs) offer 98-99.5% efficiency and operate from -25°C to 70°C, ensuring effective performance to meet your requirements. 

Overcurrent conditions can lead to system failures and downtime. These units include overcurrent protection and short-circuit resistance, maintaining stability to support your operational requirements. 

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Industry Applications

Energy Metering Systems

Steps down current for meters, ensuring consistent readings for billing. 

Protection Relay Circuits

Monitors current for relays, providing steady signals for fault detection. 

Industrial Motor Controls

Measures current for drives, delivering consistent data for motor safety. 

Renewable Energy Monitors

Tracks current from inverters, ensuring steady output for grid stability. 

Building Management Systems

Monitors current for HVAC, providing consistent readings for energy use. 

Power Quality Analyzers

Steps down current for analyzers, delivering steady data for diagnostics. 

Accuracy Beyond Current Measurement

Operational setups excel with transformers that reduce noise and monitor current for your needs. Our Current Transformers (CTs) function at under 40 dB and handle power ratings from 5 VA to 30 VA, enabling effective fit and sustained functionality in your setups. 

Accurate current monitoring enhances your ability to track energy without added complexity. High efficiency in these transformers supports your cost-saving goals, ensuring long-term performance in multiple applications.

Current Transformers (CTs)

Having Doubts? Our FAQ

Check all our Frequently Asked Question

Can Current Transformers (CTs) be customized for specific current ratios? 

Our Current Transformers (CTs) support power ratings from 5 VA to 30 VA, adjustable to your required current transformation ratios. Tailored configurations meet your monitoring needs, ensuring accurate data for your operations.

How does high efficiency benefit our current monitoring costs?

Our Current Transformers (CTs) achieve 98-99.5% efficiency, minimizing energy loss during current measurement. Reduced operational costs support your budget goals, enhancing savings without compromising functionality.

What ensures safe operation at high current levels?

Current Transformers (CTs) include overcurrent protection and operate with leakage current below 0.1 mA, maintaining effective performance under load. Enhanced safety features reduce risks, supporting your operational continuity.

Why are Current Transformers (CTs) easy to integrate into existing setups?

Our Current Transformers (CTs) offer compact dimensions from 50 mm to 200 mm width and multiple mounting options like DIN rail or busbar. Simplified integration cuts installation time, streamlining your procurement and deployment process. 

How can we scale Current Transformers (CTs) for growing power demands?

Current Transformers (CTs) handle system voltages from 110 V to 36 kV, adaptable to increasing current monitoring requirements. Flexible scalability supports your expansion plans, maintaining consistent performance as needs evolve.

Can Current Transformers be engineered for non-standard current transformation ratios?
  • Supports power ratings from 5 VA to 30 VA, engineered for both low and mid-power monitoring. 
  • Adjustable primary-to-secondary ratios for precision in metering and protection circuits. 
  • Choice of silicon steel or ferrite cores to match frequency and load characteristics. 
  • Secondary output options from 1 V to 5 V for compatibility with different measuring devices. 
How does transformer efficiency impact operational cost in current measurement systems?
  • 98–99.5% efficiency reduces wasted energy, improving overall system performance. 
  • Lower internal losses result in reduced heat, minimizing cooling requirements. 
  • Stable efficiency over time supports consistent energy-saving benefits. 
  • Optimized winding and core design ensures minimal voltage drop in measurement circuits. 
What built-in protections maintain CT stability during abnormal load conditions?
  • Overcurrent protection prevents saturation and reduces the risk of transformer damage. 
  • Leakage current maintained below 0.1 mA for safety in live monitoring applications. 
  • Short-circuit resistance ensures durability during fault events or transient spikes.
  • Thermal capacity designed to limit winding temperature rise, preserving insulation life. 
How are CTs designed for seamless integration into diverse electrical setups?
  • Width range of 50 mm to 200 mm enables installation in space-restricted panels. 
  • Flexible mounting options including DIN rail, busbar, and panel configurations. 
  • Lightweight design simplifies handling during retrofits and new installations. 
  • Custom terminal arrangements ensure easy wiring with existing monitoring devices. 
In what ways can CT design accommodate future scalability in power monitoring?
  • Voltage handling capacity from 110 V to 36 kV for broad system compatibility. 
  • Designed to maintain measurement accuracy as load capacity expands. 
  • Scalable ratio options for monitoring higher currents without replacing the unit. 
  • Suitable for integration in industrial, grid, and renewable power upgrade projects. 
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LOCATIONS

Registered Office

10-A, First Floor, V.V Complex, Prakash Nagar, Thiruverumbur, Trichy-620013, Tamil Nadu, India.

Operations Office

9/1, Poonthottam Nagar, Ramanandha Nagar, Saravanampatti, Coimbatore-641035, Tamil Nadu, India. ㅤ

Other Locations

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  • India
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LOCATIONS

Registered Office

10-A, First Floor, V.V Complex, Prakash Nagar, Thiruverumbur, Trichy-620013, Tamil Nadu, India.

Operations Office

9/1, Poonthottam Nagar, Ramanandha Nagar, Saravanampatti, Coimbatore-641035, Tamil Nadu, India. ㅤ

Other Locations

  • Bangalore
  • Chennai
  • India
  • Germany
Become a Frigatian
Become a Supplier

GENERAL ENQUIRIES

  • +91 96778 64606
  • manufacture@frigate.ai
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Current Transformers (CTs)

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