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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  • DC bell jar type (3)
  • DC bell jar type (3)

DC bell jar type (3)

IEC: U550BP, U550BP, U550BP


Key words:

DC bell jar type

Classification:

Product Details

IEC U550BP U550BP U550BP
Insulator Code UD550B240/635H32R UD550B240/635H32R UD550B240/700H32R
Model XZP—550 XZP1—550 XZP2—550
Rated Electromechanical Destruction Load (kN) 550 550 550
Individual Tension Load (kN) 275 275 275
Nominal Disc Diameter D (mm) 380 400 400
Nominal Structural Height H (mm) 240 240 240

Nominal Creepage Distance (mm)
635 635 700
Connection Mark (mm) 32 32 32
Locking Pin Type R R R
Positive Polarity DC Withstand Voltage (kV) Dry 150 150 150
Wet 60 60 60
Impulse Breakdown Voltage (p.u.) 2.85~3.19 2.85~3.19 2.85~3.19
Lightning Full Wave Impulse Dry Withstand Voltage (kV) 150 150 150
SF6 Breakdown Withstand Voltage (kV) +225  +225  +225 

Weight (kg)
25 26 27

GB/T19443, IEC61325

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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