Jiangsu Profile
Product List
12601. 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.
12602. 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.
12603. 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.
12604. 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.
12605. 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.
12606. 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.
12607. 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.
12608. 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.
12609. 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.
12610. 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.
12611. 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.
12612. Transformer Bushing DIN 42539 Rated Voltage 1KV Rated Current 250A 630A [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.
12613. High-Quality DIN Standard Bushing Components Metal Parts for Transformer Accessories [Jul 24, 2026]
[Jul 24, 2026] 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 and power ...
Company: Nanjing Rainbow Electric Co., Ltd.
12614. High-Quality De-energized Linear Tap Changer for Power Transformers [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.
12615. RM8 Core Isolation Transformer for DC-DC Power Conversion Design [Jul 23, 2026]
[Jul 23, 2026] Product Description High Frequency Transformer Product Advantages: 1,Low-loss design with high conversion efficiency helps end products save energy and reduce temperature rise. 2,Fully automated production and rigorous ...
