Jiangsu Profile
Product List
14311. 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.
14312. 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.
14313. 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.
14314. 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.
14315. 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.
14316. 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.
14317. 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.
14318. 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.
14319. 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.
14320. 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.
14321. Porcelain Dinner Plate Top Quality Industrial Equipment and Instruments High Precision Zirconia ... [Jul 24, 2026]
[Jul 24, 2026] Product Description Zirconia (ZrO2) Precision Ceramic Parts Zirconia (ZrO2) precision ceramic parts are made of high purity zirconia(ZrO2), through precision molding, high-temperature sintering and ultra-precision ...
Company: Tianrun Technology Co., Ltd.
14322. Porcelain Dinner Plate High Precision Machining Industrial Yttria Y2o3 Stabilized White Black ... [Jul 24, 2026]
[Jul 24, 2026] Product Description Zirconia (ZrO2) Precision Ceramic Parts Zirconia (ZrO2) precision ceramic parts are made of high purity zirconia(ZrO2), through precision molding, high-temperature sintering and ultra-precision ...
Company: Tianrun Technology Co., Ltd.
14323. Porcelain Dinner Plate Machinery Equipment and Heavy Duty Applications Wear Resistant Alumina ... [Jul 24, 2026]
[Jul 24, 2026] Product Description Thermocouple ceramic tubes are ceramic tubular components used in thermocouple temperature measurement systems, mainly including two product types: protection tubes (outer tubes) and inner ...
Company: Tianrun Technology Co., Ltd.
14324. Durable 70kN Glass Insulator for International Power Supply Solutions [Jul 22, 2026]
[Jul 22, 2026] Glass Insulator Our premium glass material delivers outstanding dielectric properties, effectively resisting electrical discharges and maintaining stable insulation performance even in polluted or humid environments, ...
Company: Nanjing Rainbow Electric Co., Ltd.
14325. 120kN Standard Type Toughened Glass Insulator for Power Transmission [Jul 22, 2026]
[Jul 22, 2026] Our premium glass material delivers outstanding dielectric properties, effectively resisting electrical discharges and maintaining stable insulation performance even in polluted or humid environments, thus reducing the ...
Company: Nanjing Rainbow Electric Co., Ltd.
