Jiangsu Profile
Product List
12781. U100BS Type 255*127*320mm Suspension Glass Insulator 
[Jul 24, 2026]
[Jul 24, 2026] Product Parameters Parameter Value Standard Compliance Rated Voltage 220KV to 550KV Systems IEEE 4 / IEC 60071 Mechanical Strength 70kN (15,700 lbf) ANSI C29.2 / IEC 60305 Creepage Distance 320mm (Industry-leading) IEC ...
Company: Nanjing Rainbow Electric Co., Ltd.
12782. U100BL High-Voltage Glass Insulator 255x146x320mm for Transmission Lines with RTV [Jul 24, 2026]
[Jul 24, 2026] Product Parameters Parameter Value Model U100BL/255-146 Structure Disc Suspension Type Dimensions 255mm (D) x 146mm (H) x 320mm (Creepage) Mechanical Strength 120KN (26,976 lbf) Electrical ...
Company: Nanjing Rainbow Electric Co., Ltd.
12783. 120KN U120BP Suspension Type Disc Glass Insulator with RTV Coating [Jul 24, 2026]
[Jul 24, 2026] U120B Tempered Glass Insulator High-performance Insulation for Overhead Transmission Lines Product Description The U120B is a high-voltage tempered glass insulator designed for reliable electrical insulation and ...
Company: Nanjing Rainbow Electric Co., Ltd.
12784. U70BS Glass Insulator - 255mm Diameter, 320mm Creepage for 220kV-550kV Transmission Line [Jul 24, 2026]
[Jul 24, 2026] U70BS ANSI-Class Glass Insulator 255mm Diameter | 320mm Creepage | 220kV-550kV Transmission Product Parameters Parameter Value Standard Compliance Rated Voltage 220KV to 550KV Systems IEEE 4 / IEC ...
Company: Nanjing Rainbow Electric Co., Ltd.
12785. Good Quality U120BS High Voltage Disc Type Anti-Pollution Glass Insulator [Jul 24, 2026]
[Jul 24, 2026] Company Introduction: Nanjing Rainbow Electric Co., Ltd.(NJREC) is a leading Chinese manufacturer and exporter of transmission line and substation products. Our main products include Toughened Glass Insulators, ...
Company: Nanjing Rainbow Electric Co., Ltd.
12786. Hot Selling Good quality U160 DC Outer Ribs Type Glass Insulator [Jul 24, 2026]
[Jul 24, 2026] Product Description Product Description U160BP Tempered Glass Insulator High-performance Insulation for Overhead Transmission Lines Product Description The U160BP is a high-voltage tempered glass insulator ...
Company: Nanjing Rainbow Electric Co., Ltd.
12787. Rated Voltage 36KV and below De-energized tray-form tap-changer(WDP and WSP series) [Jul 24, 2026]
[Jul 24, 2026] A tap-changer, or on-load tap-changer (OLTC), is a critical mechanical switching device integrated into power transformers to regulate output voltage by adjusting the turns ratio without interrupting the load ...
Company: Nanjing Rainbow Electric Co., Ltd.
12788. On-load tap-changer for capacity and voltage regulation On-load capacity regulation tap-changer [Jul 24, 2026]
[Jul 24, 2026] A tap-changer, or on-load tap-changer (OLTC), is a critical mechanical switching device integrated into power transformers to regulate output voltage by adjusting the turns ratio without interrupting the load ...
Company: Nanjing Rainbow Electric Co., Ltd.
12789. Tap-changer is Suitable for Single-phase Oil-immersed Power Transformers with Frequency of 60HZ [Jul 24, 2026]
[Jul 24, 2026] A tap-changer, or on-load tap-changer (OLTC), is a critical mechanical switching device integrated into power transformers to regulate output voltage by adjusting the turns ratio without interrupting the load ...
Company: Nanjing Rainbow Electric Co., Ltd.
12790. BFY-type Oil-immersed Two-position Load Break Switch [Jul 24, 2026]
[Jul 24, 2026] A tap-changer, or on-load tap-changer (OLTC), is a critical mechanical switching device integrated into power transformers to regulate output voltage by adjusting the turns ratio without interrupting the load ...
Company: Nanjing Rainbow Electric Co., Ltd.
12791. The de-energized three-phase linear series-parallel connection, star-delta exchange, with ... [Jul 24, 2026]
[Jul 24, 2026] A tap-changer, or on-load tap-changer (OLTC), is a critical mechanical switching device integrated into power transformers to regulate output voltage by adjusting the turns ratio without interrupting the load ...
Company: Nanjing Rainbow Electric Co., Ltd.
12792. Oil-immersed load switch rated voltage 36KV 4 positions applicable for combined transformer [Jul 24, 2026]
[Jul 24, 2026] A tap-changer, or on-load tap-changer (OLTC), is a critical mechanical switching device integrated into power transformers to regulate output voltage by adjusting the turns ratio without interrupting the load ...
Company: Nanjing Rainbow Electric Co., Ltd.
12793. Efficient Voltage Adjustment with De-energized Round Tap Changer [Jul 24, 2026]
[Jul 24, 2026] A tap-changer, or on-load tap-changer (OLTC), is a critical mechanical switching device integrated into power transformers to regulate output voltage by adjusting the turns ratio without interrupting the load ...
Company: Nanjing Rainbow Electric Co., Ltd.
12794. Efficient Linear Tap Changer Solutions for Power Industry [Jul 24, 2026]
[Jul 24, 2026] A tap-changer, or on-load tap-changer (OLTC), is a critical mechanical switching device integrated into power transformers to regulate output voltage by adjusting the turns ratio without interrupting the load ...
Company: Nanjing Rainbow Electric Co., Ltd.
12795. Good Quality ANSI/DIN Electrical Transformer Bushing Nut for Oil Transformer Parts [Jul 24, 2026]
[Jul 24, 2026] Product Description EN and DIN Transformer Bushing: As a standard product we can offer both historical DIN standard bushings and the latest EN range of bushings, these products cover the requirements of ...
Company: Nanjing Rainbow Electric Co., Ltd.
