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Email： sales@njrecgroup.com
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Model: NO. U420B Toughened Glass Insulator
Material: Glass
Certification: CE, ISO9001
Brand: NJREC
M&E Strength(kN): 420kN
Creepage Distance: 420mm
Unit Spacing(H): 205mm
Color: Natural
Transport Package: Wooden Pallet
Origin: China
Delivery: Sea
Delivery Time: 30 Days
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U420B
NJREC
| Company Profile
Nanjing Rainbow Electric Co., Ltd. (NJREC) – Chinese Trusted Manufacturer and supplier of electrical insulators and transformer bushings.NJREC undertakes and offer the reliable electrical insulators for transmission lines and substations. We also provide one-stop solutions for distribution & power transformers, pad-mounted transformers and wall-mounted applications.
| Product Description
The U420B Glass Insulator is a high - quality insulator designed for reliable performance in various electrical transmission lines and distribution lines.
| Data Sheet
| Standard Type | Spacing(mm) | Diameter (mm) | Creepage Distance(mm) | Standard Coupling | Mechanical Faiing Load(kN) |
| U40B | 110 | 175 | 190 | 11 | 40 |
| U70BS | 127 | 255 | 320 | 16 | 70 |
| U70BL | 146 | 255 | 320 | 16 | 70 |
| U100BS | 127 | 255 | 320 | 16 | 100 |
| U100BL | 146 | 255 | 320 | 16 | 100 |
| U120B | 146 | 255 | 320 | 16 | 120 |
| U120BS | 127 | 255 | 320 | 16 | 120 |
| U160BL | 170 | 280 | 400 | 20 | 160 |
| U160BM | 155 | 280 | 400 | 20 | 160 |
| U160BS | 146 | 280 | 400 | 20 | 160 |
| U210B | 170 | 280 | 400 | 20 | 210 |
| U240B | 170 | 280 | 400 | 24 | 240 |
| U300B | 195 | 330 | 490 | 24 | 300 |
| U420B | 205 | 380 | 550 | 28 | 420 |
| U550B | 240 | 380 | 620 | 32 | 550 |
| Support Custom
| Factory Pictures
The Standard Suspension Disc Glass Insulator is a reliable and versatile product, suitable for a wide range of applications in the electrical power industry, providing essential insulation and mechanical support for safe and efficient power transmission and distribution.
| Product Applications
The glass insulators play a vital role in modern power transmission and distribution systems. Engineered for optimal performance, they are specifically designed for installation on transmission towers and substation equipment to effectively prevent electrical leakage accidents, while guaranteeing uninterrupted power supply stability. Their superior insulation properties make them ideal solutions for both high-voltage long-distance power transmission networks and critical substation internal wiring applications, ensuring maximum safety and reliability in electrical infrastructure
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