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Mini Precision Current Transformer for Energy Meter TA8350-250 60A/24mA 2500 Turns

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Precision Current Measurement: Designed to step down primary currents up to 60A to a manageable 24mA secondary output, enabling safe and accurate current measurement in energy metering and electrical systems.
  • Toroidal Autotransformer Design: Features a compact cylindrical structure with a hollow center for easy conductor insertion, ensuring efficient magnetic coupling and minimal energy loss through copper-wound coils.

Key features

  • 1. Material Technology

  • With a durable composite and copper winding construction, ensure long-lasting performance in demanding electrical environments*. Compared to standard plastic-only designs, this CT resists deformation under thermal stress*.

  • 2. Interactive Design

  • With a toroidal coil design, easily integrate into conductors for precise current measurement without complex installation*. Its cylindrical shape simplifies insertion compared to bulky split-core alternatives*.

  • 3. Performance Parameters

  • With a precise 60A:24mA ratio and 50/60Hz compatibility, accurately measure high currents for energy meters and PCB applications*. The 2500-turn winding achieves 20% higher measurement precision than basic CT models*.

  • 4. Scenario Solutions

  • Designed for both residential energy meters and commercial systems, offering reliable current measurement across diverse electrical setups*. Unlike consumer-grade CTs, it supports continuous operation in industrial environments*.

  • 5. Certification Standards

  • Constructed with non-conductive resin and metal components, meeting essential safety standards for electrical insulation*. Compliance with industry norms ensures safe operation under manufacturer specifications*.

Product details

Mini Precision Current Transformer for Energy Meter TA8350-250 60A/24mA  2500 Turns

The TA8350-250 Mini Precision Current Transformer is a compact, high-precision autotransformer designed for energy metering systems. With a 60A:24mA current ratio and toroidal coil structure, it ensures accurate current measurement in single-phase applications. Built with copper windings and a durable metal/resin composite core, it offers reliable performance across 50/60Hz frequencies.

Technical specifications

FeatureSpecificationBenefit
Current Ratio60A:24mAEnables precise measurement in energy systems
Coil StructureToroidalCompact design with efficient magnetic coupling
Frequency Range50Hz/60HzGlobal compatibility for power systems
Winding MaterialCopperLow resistance for high conductivity
Turns Ratio2500Ensures high precision in energy metering
Material CompositionMetal/Plastic/Resin CompositeDurable, non-conductive, and lightweight
PhaseSingle PhaseSimplifies installation in residential/commercial setups

Customization guide

Adjust current ratios (e.g., 100A:24mA) or turns (e.g., 3000) to meet specific energy measurement needs. YADC offers tailored solutions for industrial, HVAC, or renewable energy applications.

Get inspired

With its miniaturized toroidal design and copper windings, the TA8350-250 is ideal for energy meters, circuit breakers, and smart grid systems. Its 2500 turns ensure unmatched precision, while the composite material guarantees long-term reliability in harsh environments.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Accuracy Class0.5%0.2%0.1%*
Max Current Capacity60A100A150A
Operating Temp Range-25°C to 70°C-30°C to 80°C-40°C to 90°C
Isolation Voltage2kV4kV6kV

Supplier's note

  1. Technical Breakthroughs:

    • Toroidal Design: Reduces flux leakage by 30% compared to traditional transformers, enhancing efficiency.
    • Copper Windings: Achieves 15% lower resistance than aluminum-based models, ensuring stable performance.
    • Customizable Ratios: Users can select ratios up to 200A:24mA, expanding applicability beyond standard energy meters.
  2. Optimal Version Selection:

    • Base Model: Ideal for residential energy meters and low-power industrial systems requiring basic accuracy.
    • Advanced Model: Suitable for commercial HVAC systems or solar inverters needing 0.2% precision and higher current handling.
    • Pro Model: Designed for industrial automation and high-voltage grids, offering triple the isolation voltage of competitors for extreme safety.

With the Pro Model’s 6kV isolation, you can safely measure currents in harsh industrial environments. Pair its 0.1% accuracy with copper windings to ensure minimal energy loss in precision-critical applications.

Frequently asked questions

  • Which current transformer suits small energy meters with limited space?

  • Why is plastic preferred over metal in the TA8350-250’s construction?

  • Can the TA8350-250 be customized for specific current ratios?

  • Is the TA8350-250 compatible with both 50Hz and 60Hz systems?

  • How do I clean the terminals of the TA8350-250?

  • Is the TA8350-250 suitable for residential or commercial energy meters?

  • How does the 2500-turn winding improve accuracy?

  • Does the TA8350-250 reduce current safely for measurement?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Coil StructureIndustrial Automation, HVAC SystemsToroidal Core Design (Reduces Leakage by 40% vs E-I cores)▲ Compact design ▲▲ Lower energy loss (Industry: 8% loss vs Our Advanced: 3%)Requires precise alignment for optimal performance
Frequency RangeGlobal Power Grids, Export Equipment50-60Hz Compatibility (Supports 45-66Hz in Advanced)▲▲ Wider range for global use ▲ Minimizes harmonic distortion (IEC 60044-1)Narrower tolerance in Standard versions may limit flexibility
Core MaterialHigh-Current Industrial ApplicationsMetal + Resin Composite (Saturation Flux Density: 1.7T) vs Ferrite Core▲ Lighter than silicon steel ▲▲ Higher thermal stability (Our Advanced: 120°C)Advanced versions may add 20% to cost
Winding MaterialHigh-Frequency Circuits, Medical DevicesCopper Windings (Resistance: 0.018Ω/m) vs Silver-Plated Copper▲ 30% lower resistivity than aluminum ▲▲ Reduced skin effect at 400Hz+Silver-plated versions require specialized soldering
Noise LevelOffice Automation, Residential Panels48 dBA (Base) vs 43 dBA (Advanced) (Quieter than a whisper: 30 dBA)▲▲ 30% quieter than Industry Standard (55 dBA) ▲ Meets OSHA noise regulationsAdvanced versions may require additional shielding
Current CapacityRenewable Energy Systems, EV Chargers60A:24mA (Base) vs 80A:30mA (Advanced) (Handles 150% overload for 1s)▲ 20% higher capacity than Industry Standard (50A:20mA) ▲▲ Survives transient spikesLarger form factor in Advanced versions may limit space-constrained uses

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