Jiangsu Profile
Product List
7981. U120B U120BS U120BL Toughened Disc Glass Insulator 
[Jul 22, 2026]
[Jul 22, 2026] Company Profile NJREC Glass Insulators Nanjing Rainbow Electric Co., Ltd. (NJREC) is a leading Chinese manufacturer and supplier of electrical insulators and transformer components. We provide one-stop solutions for ...
Company: Nanjing Rainbow Electric Co., Ltd.
7982. 240kN IEC Standard U240B High Voltage Disc RTV Transmission Line Glass Insulator [Jul 22, 2026]
[Jul 22, 2026] Product Description U240B Tempered Glass Insulator High-performance Insulation for Overhead Transmission Lines Product Description The U240B is a high-voltage tempered glass insulator designed for reliable ...
Company: Nanjing Rainbow Electric Co., Ltd.
7983. U240B 240KN Suspension Electrical Glass Insulator with RTV for high-voltage power lines [Jul 22, 2026]
[Jul 22, 2026] Product Description U240B Tempered Glass Insulator High-performance Insulation for Overhead Transmission Lines Product Description The U240B is a high-voltage tempered glass insulator designed for reliable ...
Company: Nanjing Rainbow Electric Co., Ltd.
7984. 240KN U240B Tempered Glass Insulator for High Voltage Power Line Connection Towers [Jul 22, 2026]
[Jul 22, 2026] Product Description U240B Tempered Glass Insulator High-performance Insulation for Overhead Transmission Lines Product Description The U240B is a high-voltage tempered glass insulator designed for reliable ...
Company: Nanjing Rainbow Electric Co., Ltd.
7985. U120BS 120KN High Voltage Disc Type Electrical Glass Insulator with RTV [Jul 22, 2026]
[Jul 22, 2026] Product Description U120BS Tempered Glass Insulator High-performance Insulation for Overhead Transmission Lines Product Description The U120BS is a high-voltage tempered glass insulator designed for reliable ...
Company: Nanjing Rainbow Electric Co., Ltd.
7986. Toughened Suspension Glass Insulator U240B 240kN - For Transmission Power Supply System [Jul 22, 2026]
[Jul 22, 2026] Product Description U240B Tempered Glass Insulator High-performance Insulation for Overhead Transmission Lines Product Description The U240B is a high-voltage tempered glass insulator designed for reliable ...
Company: Nanjing Rainbow Electric Co., Ltd.
7987. Pad-Mounted Transformer Pressure Release Valve: Ensuring Safe Operation [Jul 22, 2026]
[Jul 22, 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.
7988. Precision Oil Level Gauge Indicator for Three-Phase Distribution Transformer [Jul 22, 2026]
[Jul 22, 2026] Transformer Oil Level Gauge: A Vital Guardian for Safe Operation A Transformer Oil Level Gauge, or Oil Sight Glass, is an essential monitoring device installed on the conservator (expansion tank) of oil-immersed ...
Company: Nanjing Rainbow Electric Co., Ltd.
7989. Premium Transformer Oil Level Indicator for Precise Monitoring and Enhanced Safety [Jul 22, 2026]
[Jul 22, 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 ...
Company: Nanjing Rainbow Electric Co., Ltd.
7990. Good Quality Non Excited Strip On Load Tap Changers And Switch [Jul 22, 2026]
[Jul 22, 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.
7991. LBS Oil-immersed Load Switch With 4 Positions Applicable For Combined Transformer [Jul 22, 2026]
[Jul 22, 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.
7992. Best Quality Off Load Oil Immersed Transformer Switch Type WSII5 [Jul 22, 2026]
[Jul 22, 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.
7993. BFY Type Oil-immersed Load Break Switch Used For Compounded Type Transformer [Jul 22, 2026]
[Jul 22, 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.
7994. Oil-immersed Load Switch Is Rated Voltage 35KV With 2 Or 4 Positions [Jul 22, 2026]
[Jul 22, 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.
7995. Two-position Sidewall Oil-immersed Load Switch components of Pad Mounted Transformer [Jul 22, 2026]
[Jul 22, 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.
