Product Overview
The CT10 / CT10-2K5 is engineered to convert large primary currents into safe, standardized secondary currents (commonly 5A or 1A), enabling connection to energy meters, protection relays, control systems, and monitoring devices. Its design supports heavy duty applications with high burden tolerance (2K5), making it suitable for installations where significant load and line length exist.
This CT withstands high burdens, extended cable runs, and system stresses, making it ideal for power distribution panels, substations, and high-current measurement scenarios.
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Product Name
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YADA CT10-2K5 Current Transformer
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Type
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Current Transformer
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Model No.
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CT10-2K5
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Brand Name
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YADA
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Input current
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50A, 100A
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Ouput current
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10mA，20mA
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Supply voltage
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24V
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Accuracy Class
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Class 0.2
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Certificate
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UL
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Warranty
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2 Years
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Dimensions
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75.0mm*75.0mm*37.0mm
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Key Features & Benefits
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High Burden Rating (2.5 kVA) — Built for heavy cable loads and long wire runs
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Precision & Linear Performance — Maintains accuracy even under high load
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Wide Current Range Compatibility — Supports many primary current levels and secondary (5A / 1A) options
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Robust Insulation & Safety — Withstands high voltage and transient environments
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Compact / Modular Design — Adaptable to panel or switchgear installations
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Designed for Meters & Protection Systems — Perfect for metering, billing, or protective relay input
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Built for Industrial Environments — Reliable under temperature, vibration and EMI conditions
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Customizable / OEM Ready — Variants in core, mounting, ratio, and casing available
Dimension
Applications
The CT10 / CT10-2K5 is suited for:
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High-current metering installations (utility, substation, industrial)
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Energy billing and monitoring systems requiring stable CT input
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Protection systems and relay inputs
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Switchgear and distribution board metering
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Power monitoring in factories, plants, and utility grids
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Integration into SCADA, EMS, and telemetry systems
Why Choose YADA CT10 / CT10-2K5?
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High Burden Capability — 2.5 kVA rating supports demanding installations
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Precision Over Load — Maintains accuracy under heavy load conditions
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Versatile Ratio Options — Fits many primary-to-secondary configurations
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Robust & Safe Design — Built to handle voltage, mechanical, and environmental stress
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Measurement & Protection Use — Adapted for both metering and protection systems
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Industrial-Grade Quality — Materials and manufacturing suited for long-term service
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Support & Customization — OEM options in ratio, form, and casing, backed by support
FAQ
Q: What does “50A → 10mA / 100A → 20mA” mean?
A: It indicates the primary-to-secondary current ratio: for example, when 50A flows through the primary conductor, the CT outputs 10mA; similarly, at 100A, it outputs 20mA.
Q: Can this CT be installed without shutting down the circuit?
A: Yes. The split-core design allows you to clamp it around a live conductor without disconnecting wires.
Q: What accuracy class does it belong to?
A: That depends on the variant (e.g., 0.5, 1.0). Please confirm from the datasheet or model specification.
Q: What is the acceptable ambient temperature range?
A: Typically –20 °C to +60 °C (or per spec) — verify against your actual product sheet.
Q: What is the output burden (load) this CT can drive?
A: The rated burden (e.g., ≤2 VA) defines the maximum load the CT can drive without losing accuracy — please refer to the specific variant spec.