Overview of Low Voltage Transformers

MR-85 Series 5000/5A Single Phase CT Class 0.5/1.0 Low Voltage Current Transformer is critical power equipment that uses the axiom of electromagnetic induction to convert AC voltage, including voltage, current, impedance conversion, isolation, and stability functions. It usually consists of three parts: primary coil, secondary coil, and iron core (or magnetic core). Low-voltage transformers are widely used in power systems for voltage regulation, impedance matching, and safety isolation. It is also commonly used in various electronic devices and circuits, such as audio devices, TV receivers, computer power supplies, etc., to achieve functions such as voltage, current, and impedance conversion. In addition, low-voltage transformers also play an essential role in safety, preventing excessive recent or circuit failures from posing a threat to equipment or personal safety and protecting equipment from harmful effects such as sudden power changes and surge currnts.

Features of Low Voltage Transformers

Small size, low power, easy installation, suitable for low-power equipment and short distance power transmission.

Not using oil as an insulation medium is more environmentally friendly.

Has excellent moisture and corrosion resistance, suitable for harsh working environments.

Strong isolation, with high safety and reliability.

No need for oil inspection, filling, and replacement, reducing maintenance costs and workload.

Low magnetization current, low noise, low temperature rise, stable performance and high efficiency.

Specification of MR-85 Series 5000/5A Single Phase CT Class 0.5/1.0 Low Voltage Current Transformer

The MR-85 Series is a single-phase existing transformer. It gauges current securely and accurately. Its key task is to tip down high currents for meters and security gadgets. The standard ratio is 5000 Amps main to 5 Amps secondary. This makes it appropriate for many monitoring applications.

It offers high precision. You can choose Course 0.5 or Course 1.0. Class 0.5 is finest for accurate energy invoicing. Course 1.0 works well for basic monitoring tasks. Both meet strict IEC requirements. This ensures trusted efficiency you can trust.

Safety is built-in. It’s rated for 0.72 kV system voltage. The second circuit withstands 3kV for one min. This safeguards connected equipment. The unit uses flame-retardant plastic. This material resists burning and improves safety.

The layout is durable. The core uses high-grade silicon steel sheets. This minimizes losses and boosts accuracy. Terminals are clearly noted. This avoids electrical wiring mistakes. Setup is uncomplicated. It places easily on panels or hubbub rails.

Trick specifications specify its usage. The frequency array is 50Hz or 60Hz. It runs reliably from -25 ° C to +40 ° C. Storage temperatures are wider, from -40 ° C to +70 ° C. The optimum worry is 5VA. This tells you what tons it can handle. Short-time current ranking is 100 times the ranked existing for one second. This reveals its strength under fault problems. The rated insulation degree is 3kV. This confirms its safety and security margin. The enclosure defense degree is IP20. This defend against strong objects.

Applications of MR-85 Series 5000/5A Single Phase CT Class 0.5/1.0 Low Voltage Current Transformer

The MR-85 Series 5000/5A Solitary Stage Existing Transformer is a trustworthy tool for gauging electrical energy circulation in reduced voltage systems. Its precision (Class 0.5 or 1.0) makes it appropriate for several crucial jobs. One key usage is power metering. Utility firms and center supervisors set up these CTs to specifically gauge how much power customers or certain tools usage. This accurate information is necessary for correct payment and monitoring power intake. You see these CTs in commercial buildings, plants, and apartment complexes feeding power to billing meters.

One more key application is electrical defense. The MR-85 CT links to safety relays. These relays constantly check the current flowing with circuits. If a hazardous situation occurs, like a short circuit or overload, the CT rapidly signifies the relay. The relay after that trips the breaker. This quick activity stops damage to expensive devices like electric motors, generators, and switchgear. It maintains the electrical system secure.

The MR-85 also functions well for lots surveillance. Designers use it to check the present on specific circuits or entire panels. This aids recognize exactly how power is utilized throughout a facility. Operators can see if circuits are overwhelmed or running inefficiently. This details allows for far better power administration and planning. It aids prevent issues before they trigger blackouts.

You can integrate this CT with different control systems. It supplies the real-time present data these systems require. Structure Monitoring Equipment (BMS) utilize it to enhance a/c and lights. Industrial automation systems rely upon it for process control. Power quality analyzers attach to it to research voltage and current waveforms. The CT is also common in renewable energy configurations, like photovoltaic panel inverters, to check power result. Its portable size makes installment fairly easy in limited rooms like switchboards or control cupboards.

Company Profile

PDDN Photoelectron Technology Co., Ltd. is one of the leading enterprises in power electronics technology and power products, which is fully involved in developing solar inverters， transformers, voltage regulators, distribution cabinets, thyristors， modules， diodes， heaters, and other electronic devices or semiconductors. We will be committed to providing users with high-quality, efficient products and considerate service.

It accepts payment via Credit Card, T/T, West Union, and Paypal. PDDN will ship the goods to customers overseas through FedEx, DHL, by sea, or by air. If you want high-quality MR-85 Series 5000/5A Single Phase CT Class 0.5/1.0 Low Voltage Current Transformer, please send us inquiries; we will be here to help you.

Payment Methods

L/C, T/T, Western Union, Paypal, Credit Card etc.

Shipment

By sea, by air, by express, as customers request.

Storage Conditions

1) Store in a dry environment at room temperature.

2) Avoid damp and high temperature.

3) Use immediately after opening the inner packing bag.

5 FAQs of MR-85 Series 5000/5A Single Phase CT Class 0.5/1.0 Low Voltage Current Transformer

What is the MR-85 Series CT used for?
This current transformer measures alternating current (AC) safely. It steps down high primary currents to a low, standard secondary current. This low current is safe for meters and relays. The MR-85 Series is designed for low voltage systems. It helps monitor power usage accurately.

How is the MR-85 CT installed?
Installation is simple. The CT clamps directly around the live conductor you want to measure. Its split-core design allows easy opening and closing. You don’t need to disconnect any wires. Ensure the conductor sits centered inside the core. Then close the CT securely. Connect the secondary wires to your meter or relay terminals.

What do the accuracy classes 0.5 and 1.0 mean?
These numbers show the CT’s precision. Class 0.5 is very accurate. It’s for precise energy billing or critical measurements. It keeps errors below 0.5%. Class 1.0 is also accurate. It’s suitable for general monitoring tasks. Its error stays under 1.0%. Choose the class based on how exact your readings need to be.

What is the maximum burden for this CT?
Burden means the total load connected to the CT’s secondary. The MR-85 Series CT supports up to 5 VA. This covers the power needed by the connected meter and its wires. Check your meter’s specifications. Add the wire burden. The total must not exceed 5 VA. Overloading reduces accuracy.

Is the secondary circuit safe?
Yes, the CT provides isolation. The high voltage stays on the primary conductor. The secondary circuit outputs only a low current. But safety is crucial. Never leave the secondary circuit open when the primary has current. An open circuit creates dangerous high voltages. Always keep the secondary wires connected to a meter or shorted together.