Welcome to Shanghai Ruitai Electric Insulator Co.,Ltd

Products


Focus on the research and development and production of high-quality glass insulators
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  • Communication Three Umbrella Type (3)
  • Communication Three Umbrella Type (3)

Communication Three Umbrella Type (3)

IEC: U300BP, U420BP

Key words:

Communication Three Umbrella Type

Product Details

IEC U300BP U420BP
Insulator Code U300BP/195T U300BP/195T U420BP/205T
Model XSP—300 XSP1—300 XSP—420
Rated Electromechanical Destruction Load (kN) 300 300 420
Individual Tension Load (kN) 150 150 210
Nominal Disc Diameter D(mm) 360 400 350
Nominal Structural Height H(mm) 195 195 205
Nominal Creepage Distance (mm) 550 635 550
Connection Mark (mm) 24 24 28
Locking Pin Type R R R

Withstand Voltage (kV)
Power Frequency Dry 85 100 85
Wet 50 60 50
Lightning Impulse 140 135 140
     Power Frequency Breakdown Voltage (kV) 130 130 140
Impulse Breakdown Voltage (p.u.) 2.85~3.19 2.85~3.19 2.85~3.19
Radio Interference Voltage Ground Test Voltage (kV) 10 10 10
Maximum R IV(1MHz)(uV) 50 50 50
Weight (kg) 16.3 20.1 22

GB/T1001.1, IEC60383-1

Company Introduction

Shanghai Ruitai Electric Insulator Co.,LTD, was founded on March 14, 2009. Since establishment,it has been focused on the research of new high-strength functional glass manufacturing technologies and the development of insulation products for HV transmission lines. Main products are the glass insulators for HV and UHV transmission lines. Through continuous innovation, Shanghai Ruitai forms a product collection under six series, 40 varieties and 60 models. The voltage rating of these products spans from 10kV to 1000kV. Moreover, Shanghai Ruitai is also among the few manufacturers that possess technologically matured AC/DC EHV glass insulators, and takes the tech leading role in domestic industry. It is a main supplier of State Grid (World’s Top 500) and China Southern Power Grid, and is at the top of list in terms of the number of bids won in the last three years in State Grid’s glass insulating bids. .

Factory area environment
Factory area environment
Factory area environment

Our advantage

Industry experience


Founded in 2012, the company has more than ten years of manufacturing experience in the production of various insulators.

Variety of specifications


The glass insulators produced by our company are mainly used for 10kv,35kv,66kv,110kv,220kv,500kv transmission lines.

Marketing Network


The products of our Ruitai Glass Insulator Manufacturing Co., Ltd. operate safely on power transmission lines in more than 80 countries around the world.

Qualification Certificate

AAA-level Integrity Supplier
AAA-level Integrity Management Demonstration Unit
China Integrity Manager
Chinese Integrity Entrepreneur
AAA-level credit enterprise
AAA-level quality service integrity unit
AAA-level heavy service creditworthy enterprise
AAA-level enterprise that honors contracts and maintains credit.

Contact Us

Shanghai Ruitai Electric Insulator Co.,Ltd.

We are dedicated to providing customers with quality products and professional services,

Welcome you to come to discuss, we are willing to work together to create a better tomorrow!

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