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Home > Electrical & Electronics > Power Supply & Distribution > Switchgear > Low Voltage Wound Primary CT MES-62/40 for 600/5A Measurement

Low Voltage Wound Primary CT MES-62/40 for 600/5A Measurement

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Product Spotlights

Precision 600/5A Low Voltage Current Transformer (Model MES-62/40) for accurate energy measurement and monitoring. Features a robust wound primary design for stable connections, high accuracy class for reliable data, and excellent linearity. Ensures safety through circuit isolation and offers wide compatibility with standard 5A meters and relays. Ideal for commercial/industrial distribution boards, MCCs, and renewable energy systems. Manufactured with quality materials for long-term durability and dependable performance.

US$ 1 ≥100 Units

Key Specifications

Get Latest Price

Type:

Wound Primary Current Transformer (CT)

Model:

MES-62/40

Primary Current Rating:

600 A

Contact Supplier Request Quote Chat Now

Jinhua Dika Electrical Equipment Co., Ltd.

1Yr

Payment & Shipping

Payment Methods:

Port of Shipment:

China

Delivery Detail:

Delivery time depends on order quantity.

Product Details
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Type Wound Primary Current Transformer (CT)

Model MES-62/40

Primary Current Rating 600 A

Secondary Current Rating 5 A

Rated Voltage Level Low Voltage (e.g., up to 1kV)

Application Electrical Energy Measurement & Monitoring

Accuracy Class Typically 0.5, 1.0 (Confirm specific class)

Core Material Grain-oriented silicon steel or equivalent

Mounting Type DIN rail mountable or panel mountable

Insulation Class Class B, F, or H (Specify as per model)

As a professional manufacturer, Jinhua Dika Electrical Equipment Co., Ltd. specializes in producing precision electrical measurement components. Our Low Voltage Wound Primary Current Transformer, model MES-62/40, is engineered for reliable and accurate 600/5A current measurement in various low-voltage power systems. This instrument transformer is a critical component for ensuring safe operation, efficient energy management, and accurate billing in commercial and industrial installations.

Designed with durability and precision in mind, the MES-62/40 CT converts high primary currents to a standardized, low secondary current suitable for meters, relays, and other monitoring devices. It is an essential tool for system protection, load analysis, and power quality assessment.

Key Features and Technical Advantages:

Robust Construction: The wound primary design ensures a secure and stable connection for the primary conductor, enhancing mechanical strength and long-term reliability compared to bar-type designs in certain applications.
High Accuracy: Manufactured with precision-wound coils and high-quality core materials to maintain specified accuracy class (e.g., 0.5 or 1.0) over a wide range of operating conditions, ensuring trustworthy measurement data.
Excellent Linear Characteristics: Provides a linear transformation ratio from low loads up to the rated primary current, minimizing measurement errors.
Enhanced Safety: Provides reliable isolation between the high-current primary circuit and the low-current secondary circuit, protecting personnel and connected equipment.
Wide Compatibility: The standardized 5A secondary output is compatible with a vast array of ammeters, energy meters, protection relays, and data acquisition systems.
Thermal Stability: Designed to withstand temperature variations within its specified class without significant performance degradation.

Typical Technical Specifications (Model: MES-62/40):

Parameter	Specification
Primary Current (Ipn)	600 A
Secondary Current (Isn)	5 A
Transformation Ratio	600/5
Rated Frequency	50/60 Hz
Rated Thermal Short-Time Current (Ith)	Specify value (e.g., 50 kA for 1s)
Rated Dynamic Current (Idyn)	Specify value (e.g., 2.5 x Ith)
Rated Output (VA)	e.g., 5 VA, 10 VA, 15 VA (Confirm for MES-62/40)
Insulation Level	e.g., 3 kV / 50 Hz / 1 min

Benefits for Your Operations:

Accurate Billing and Cost Control: Provides precise current data for energy metering, enabling fair billing and helping identify areas for energy savings.
Improved System Protection: Accurate current signals allow protection relays to operate correctly, preventing equipment damage from overloads or short circuits.
Reliable Monitoring: Enables continuous monitoring of load currents for preventive maintenance and operational planning.
Easy Integration: Standardized design and mounting options facilitate straightforward installation into new or existing switchgear and panels.
Long Service Life: Built with quality materials and robust construction to ensure dependable performance over many years, reducing replacement costs.

Applications:

Main and sub-distribution boards in commercial buildings, factories, and data centers.
Motor control centers (MCCs) for load monitoring.
Renewable energy systems like solar PV inverters for output measurement.
Power factor correction capacitor banks.
Building management systems (BMS) for energy sub-metering.

Trust in the expertise of Jinhua Dika, a manufacturer with a dedicated team and a commitment to quality management, as reflected in our operational certifications. We serve a global clientele across North America, Europe, Asia, and other regions, exporting through major Chinese ports like Shanghai and Ningbo. Our MES-62/40 Current Transformer represents this commitment, offering a reliable and accurate solution for your low-voltage measurement needs. For detailed specifications, custom ratios, or bulk pricing, contact our team today to discuss how this component can enhance your electrical system's safety and efficiency.

Frequently Asked Questions (FAQ):

Q: What does "wound primary" mean in this CT model?
A: A "wound primary" design means the primary conductor (the 600A cable/busbar) is physically wound multiple times around the transformer's core. This can sometimes allow for a more compact design for a given ratio or offer different mechanical connection options compared to a simple bar passing through the center.
Q: What is the typical accuracy class for the MES-62/40, and what does it signify?
A: Common accuracy classes for measurement CTs are 0.5, 1.0, or 3.0. A class 0.5 CT has a maximum permissible error of ±0.5% at rated current under specified conditions. The exact class for the MES-62/40 should be confirmed with the manufacturer, as it determines the precision of your measurements.
Q: Can this 600/5A CT be used for both metering and protection purposes?
A: CTs are often designed with a primary application in mind. Measurement CTs (like this one) are optimized for accuracy within a normal operating range. Protection CTs are designed to remain accurate up to many times the rated current during faults. It's crucial to specify the intended use. The MES-62/40 appears tailored for measurement.
Q: What is the importance of the "Rated Output (VA)" specification?
A: The Rated Output in Volt-Amperes (VA) indicates the maximum burden (load impedance of connected devices like meters and wires) the CT can supply while maintaining its stated accuracy. Exceeding this burden can cause significant measurement errors.
Q: How should the secondary side of this CT be handled during installation?
A: It is critical that the secondary terminals of a current transformer are never left open-circuited while the primary is energized. An open-circuited secondary can produce dangerously high voltages, posing a safety risk and potentially damaging the CT. The secondary should always be shorted or connected to its intended load.
Q: Is the MES-62/40 suitable for DIN rail mounting?
A: Many low-voltage CTs of this type are designed for DIN rail mounting for easy installation in modern enclosures. The specific mounting details for the MES-62/40 model should be verified with the provided datasheet or product drawings.
Q: What are the standard delivery terms and lead times?
A: As a manufacturer with annual export experience, Jinhua Dika typically offers standard Incoterms like FOB from ports such as Shanghai or Ningbo. Lead times depend on order quantity and current production schedule, with standard models often available from stock or with short production cycles.