The Parameter Checklist You Need Before Buying a Transformer

“I need a transformer, please quote” is the inquiry every transformer manufacturer gets — and rarely the one that gets a fast, accurate answer. Here’s the exact parameter checklist that changes that.
8000 kVA Cast Resin Dry-Type Transformer | China Manufacturer & Supplier

Zhongxin General is a China-based manufacturer, factory and supplier of 8000 kVA three-phase cast resin dry-type transformers — SCB11-8000/35, stepping 35 kV down to 10.5 kV with Yd11 vector group, GB 20052-2024 Tier 3 energy efficiency (Tier 1 available), copper or aluminum winding.
63000 kVA Oil-Immersed Distribution Transformer | China Manufacturer & Supplier

Zhongxin General manufactures 63,000 kVA three-phase outdoor oil-immersed power transformers with on-load tap changer at its Sichuan factory — model SZ20-63000/110, 110kV class stepping down to 10.5kV, YNd11 vector group, ONAN cooling, 82 tonnes total weight. Built to GB1094, GB/T6451-2023 and GB20052-2024, with Grade 1 efficiency and aluminium-winding options available on request for international projects.
12500 kVA Oil-Immersed Distribution Transformer | China Manufacturer & Supplier

Zhongxin General manufactures this 12500kVA oil-immersed transformer (SZ22-12500/35), a 35kV/10.5kV unit built to GB20052-2024 Tier 1 energy efficiency — exceeding EU 548/2014 Tier 1/Tier 2 requirements. Factory photos from core stacking through final testing.
31500 kVA Oil-Immersed Distribution Transformer | China Manufacturer & Supplier

Zhongxin General manufactures 31500 kVA three-phase outdoor oil-immersed power transformers with on-load tap changer at its Sichuan factory — model SZ20-31500/35, 35kV class stepping down to 10.5kV, YNd11 vector group, ONAN cooling, 10% impedance. Built to GB1094.1/2-2013, GB1094.3-2017, GB/T6451-2023 and GB20052-2024, with Grade 1 efficiency and aluminium-winding options available for international projects.
10000 kVA Oil-Immersed Distribution Transformer | China Manufacturer & Supplier

Zhongxin General is a China-based manufacturer, factory and supplier of 10000 kVA three-phase outdoor oil-immersed power transformers with on-load tap changer — model SZ20-10000/35, 35kV class, YNd11 vector group, ONAN cooling, 7.67% impedance. Compliant with GB1094.1.2-2013, GB1094.3-2017, GB/T6451-2023 and GB20052-2024. Available in copper or aluminium winding, Grade 2 (standard) or Grade 1 energy efficiency, for domestic and international power supply projects.
16000 kVA Oil-Immersed Distribution Transformer | China Manufacturer & Supplier

Technical Specifications Parameter Value Product Name Power Transformer Model SZ20-16000/35 Product Code 1ZX.710.9030 Standard Codes GB1094.1, 2-2013; GB1094.3-2017; GB/T6451-2023; GB20052-2024 Rated Capacity 16000 kVA Phases 3-Phase Rated Frequency 50 Hz Vector Group YNd11 Short-Circuit Impedance 8.0% Service Condition Outdoor No-Load Loss 8420 W No-Load Current 0.28% Load Loss 62800 W Cooling Method ONAN Insulation Level […]
8000 kVA Oil-Immersed Distribution Transformer (HV: 35kV) | China Manufacturer & Supplier

Zhongxin General is a China-based manufacturer, factory and supplier of 8000 kVA three-phase outdoor oil-immersed power transformers — model S20-8000/35, 35kV class, Yd11 vector group, ONAN cooling, 7.91% impedance. Compliant with GB1094.1.2-2013, GB1094.3-2017, GB/T6451-2023 and GB20052-2024. Available in copper or aluminium winding, Grade 3 (standard) or Grade 1 energy efficiency, for domestic and international power supply projects.
8000 kVA Oil-Immersed Distribution Transformer (HV: 120kV) | China Manufacturer & Supplier

Zhongxin General is a China-based manufacturer, factory and supplier of 8000 kVA three-phase outdoor oil-immersed power transformers with on-load tap changer — model SZ20-8000/120, stepping 120kV down to 10.5kV with YNd11 vector group and ONAN cooling. Compliant with GB1094.1/2-2013, GB1094.3-2017, GB/T6451-2023 and GB20052-2024. Available in copper or aluminium winding for domestic and international power supply projects.