Jiangsu Profile
Product List
9286. 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.
9287. 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.
9288. 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.
9289. 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.
9290. 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.
9291. 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.
9292. 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.
9293. 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.
9294. 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.
9295. 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.
9296. 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.
9297. 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.
9298. EN Standard 1KV 2000A Oil-immersed Transformer Bushing with Flag [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 distribution ...
Company: Nanjing Rainbow Electric Co., Ltd.
9299. DIN42530 DT 1KV 250A Transformer Bushing Ceramic Porcelain [Jul 24, 2026]
[Jul 24, 2026] Company Profile Nanjing Rainbow Electric Co., Ltd. (NJREC) is a well-established and technology-driven manufacturer and supplier specializing in high-voltage electrical insulation products and transformer components. ...
Company: Nanjing Rainbow Electric Co., Ltd.
9300. Linear form linearity de-energized tap-changer for 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.
