LZZBJ9-10 10kV Indoor Current Transformer Cast Resin Current Transformer

General Introduction

LZZBJ9-10 is an indoor epoxy resin cast current transformer designed for 10kV medium voltage power systems. It is mainly used for current measurement, electric energy metering and relay protection in indoor switchgear, substations and distribution systems.

The transformer adopts advanced epoxy resin vacuum casting insulation technology, featuring excellent dielectric strength, compact structure, high accuracy and reliable long-term operation. It is suitable for AC power systems with rated frequency 50Hz or 60Hz.

Product Features

• High quality epoxy resin cast insulation
• Excellent insulation and moisture resistance
• High dynamic and thermal stability
• Accurate metering and relay protection performance
• Compact structure for switchgear installation
• Maintenance-free operation
• Flame retardant and environmentally friendly
• Long service life

Model&Meaning

The performance of products is conformed to IEC standard and GB1208-2006 Current Transformer.

Rated insulation level: 12/42/75kV

Load power factor: cosφ=0.8(Lag)

Rated frequency: 50Hz

Rated secondary current: 5A, 1A

Partial discharge level: In conformity to GB5583-85 standard, its partial discharge is not more than 20PC.

Structure and Design

The transformer adopts fully enclosed epoxy resin casting structure. The primary winding, secondary winding and iron core are integrally cast to provide excellent insulation performance and mechanical strength.

Its compact structure allows convenient installation inside medium voltage switchgear cabinets and electrical panels.

Advantages of Epoxy Resin Cast Current Transformer

• No oil leakage risk
• Excellent flame retardant performance
• Strong resistance to vibration and impact
• Reliable operation in humid environments
• Environmentally friendly and maintenance-free
• Safe and stable long-term operation

Why Choose Wolun Electric

• Professional medium and high voltage equipment manufacturer
• Strict quality inspection system
• OEM & ODM customization service
• Fast delivery and technical support
• Competitive factory direct price
• Exported to South America, Middle East, Southeast Asia and Africa

Technical Specification

Outline Drawing

FAQ

What is the function of LZZBJ9-10 current transformer?

It is used for current measurement, electric energy metering and relay protection in medium voltage electrical systems.

Can customized current ratios be provided?

Yes. Customized current ratios, accuracy classes and burdens are available according to customer requirements.

Which standards does this product comply with?

The transformer complies with IEC 61869-2 and GB1208 standards.