The 3.3 kV Outdoor Oil Filled CT PT Combined Metering Unit is a specialized high-voltage instrument designed for precise energy measurement in power distribution networks. Engineered specifically for Feeder Metering applications, this unit combines high-performance Current Transformers and Potential Transformers into a single, compact oil-filled enclosure. With an IP55 Enclosure Protection rating, it is built to provide superior reliability in outdoor environments. Featuring a 0.5 Accuracy Class, it delivers the exactness required for industrial monitoring and utility distribution management

Key Features

• Optimized for Feeder Metering: Purpose-built for monitoring electrical feeders with a 3.3 kV voltage class requirement.

• Precision Engineering: Maintains a 0.5 Accuracy Class, ensuring reliable and consistent data for energy auditing and distribution.

• Robust Weather Protection: Rated with IP55 Enclosure Protection, offering defense against dust and water ingress in demanding outdoor settings.

• Integrated Sensing: Features a standardized CT Ratio of 100/5 A and a PT Ratio of 3.3 kV/110 V for seamless integration with standard metering equipment.

• Superior Insulation: Utilizes an Oil Filled design to maximize dielectric strength and thermal stability during continuous operation.

• Compact Outdoor Installation: Designed for pole-mounted or ground-mounted outdoor use, saving space compared to individual CT and PT setups.

High-quality Resin Cast Voltage Transformer (VT) designed for precise voltage measurement and protection in medium voltage systems. Built with epoxy resin casting technology for superior insulation and durability.

Key Highlights:

• Suitable for indoor / outdoor applications

• High accuracy for metering & protection

• Epoxy resin cast for excellent insulation

• Compact, safe & maintenance-free design

• Strong resistance to moisture, dust & chemicals

Applications:
Switchgear panels, substations, industrial power systems, and energy metering solutions.

Chirab Technologies offers high-precision 3.3 kV Current Transformers (CTs) designed for accurate metering and reliable performance in industrial and power distribution systems. These CTs are manufactured with advanced technology to ensure stability, safety, and long service life.

Our CTs are ideal for applications requiring high accuracy (Class 0.2) and dependable performance under varying load conditions.

• Rated Voltage: 3.3 kV

• Current Ratio (CTR): 50-100-150/5A

• Burden (VA): 7.5 VA

• Accuracy Class: 0.2

• Frequency: 60 Hz

• Type: WPL

• Tapping: Secondary

• Rated Voltage: 3.3 kV

• Current Ratio (CTR): 1-5-10-20/5A

• Burden (VA): 7.5 VA

• Accuracy Class: 0.2

• Frequency: 60 Hz

• Type: WPL

• Tapping: Secondary

• High accuracy suitable for precise energy metering

• Stable performance with low error margin

• Compact and robust construction

• High insulation strength

• Maintenance-free operation

• Reliable in industrial and utility applications

Chirab Technologies offers high-quality Resin Cast Instrument Transformers designed for precise measurement, protection, and monitoring in medium and high-voltage electrical systems. Manufactured using advanced epoxy resin casting technology, these transformers ensure excellent insulation strength, mechanical durability, and long service life even under harsh environmental conditions.

Our Resin Cast CTs (Current Transformers) and PTs (Potential Transformers) are widely used in power distribution networks, switchgear panels, substations, and industrial applications for accurate metering and reliable protection.

• High dielectric strength with vacuum epoxy resin casting
• Accurate measurement and protection class (as per IEC/IS standards)
• Maintenance-free and long operational life
• Compact and robust design
• Fire-resistant and moisture-proof construction
• Suitable for indoor and outdoor installations
• High thermal and mechanical strength

• Voltage Range: Up to 36 kV (customizable)
• Frequency: 50 Hz / 60 Hz
• Accuracy Class: 0.2 / 0.5 / 1 / Protection class
• Insulation Level: As per IEC standards
• Primary Current (CT): As per requirement
• Secondary Voltage (PT): Standard outputs available

• Power Distribution Substations
• Switchgear & Control Panels
• Metering & Protection Systems
• Industrial Plants & Utilities
• Renewable Energy Systems

3.3KV CURRENT TRANSFORMER; CTR: 50-100-150/5A; VA: 7.5;

CL: 0.2, FREQUENCY 60Hz, TYPE: WPL; TAP: SECONDARY

3.3KV CURRENT TRANSFORMER; CTR: 1-5-10-20/5A; VA: 7.5;

CL: 0.2; FREQUENCY 60Hz, TYPE: WPL; TAP: SECONDARY