Essential details
Quantity(pieces):1
Shipping:Sea transport
Package Description:wooden case
Product Introduction
I. General Product Overview
The SCB12, SCB14, and SCB18 series are 6kV, 10kV, and 20kV epoxy resin cast dry-type power transformers, representing the new generation of energy-saving distribution equipment. They are widely used in places with high safety, fire prevention, and environmental protection requirements, such as urban power grids, industrial enterprises, commercial buildings, data centers, and rail transit.
The SCB12, SCB14, and SCB18 series are 6kV, 10kV, and 20kV epoxy resin cast dry-type power transformers, representing the new generation of energy-saving distribution equipment. They are widely used in places with high safety, fire prevention, and environmental protection requirements, such as urban power grids, industrial enterprises, commercial buildings, data centers, and rail transit.
Model meaning: S - three-phase; C - epoxy resin casting; B - foil winding; 12/14/18 - performance sequence (corresponding to energy efficiency grade).
Voltage level: High-voltage side 6kV, 10kV, 20kV; low-voltage side 0.4kV (conventional).
Capacity range: 30kVA to 2500kVA (6kV/10kV), 30kVA to 10000kVA (20kV).
Core process: Vacuum pressure epoxy resin casting, overall curing of windings, high insulation strength, short-circuit resistance, moisture-proof, dust-proof.
Cooling method: AN (natural air cooling), AF (forced air cooling), optional with fans and temperature control.
Insulation grade: F class (155℃), heat-resistant, aging-resistant, long service life.
Protection grade: Standard IP20, optional IP30, IP54 (anti-condensation, dust-proof, small animal-proof).
Voltage level: High-voltage side 6kV, 10kV, 20kV; low-voltage side 0.4kV (conventional).
Capacity range: 30kVA to 2500kVA (6kV/10kV), 30kVA to 10000kVA (20kV).
Core process: Vacuum pressure epoxy resin casting, overall curing of windings, high insulation strength, short-circuit resistance, moisture-proof, dust-proof.
Cooling method: AN (natural air cooling), AF (forced air cooling), optional with fans and temperature control.
Insulation grade: F class (155℃), heat-resistant, aging-resistant, long service life.
Protection grade: Standard IP20, optional IP30, IP54 (anti-condensation, dust-proof, small animal-proof).
II. SCB12 Series (Third-level Energy Efficiency - Basic Energy-saving Type)
Energy Efficiency Standard: GB 20052-2020, Third-level Energy Efficiency (Original National Standard - Level 2).
Loss Level: No-load / Load loss meets the national standard 3rd-level limit, approximately 20% lower than traditional SCB10.
Structural Features:
High-quality cold-rolled oriented silicon steel sheets, 45° full inclined seams, low noise, low loss.
High-voltage multi-layer cylindrical structure, low-voltage foil-like structure, strong anti-short-circuit ability.
Local discharge ≤ 10pC, stable operation, no maintenance required.
Applicable Scenarios: General industry, civil buildings, community power distribution, small and medium-sized factories, etc. High cost-performance ratio, popular type.
Energy Efficiency Standard: GB 20052-2020, Third-level Energy Efficiency (Original National Standard - Level 2).
Loss Level: No-load / Load loss meets the national standard 3rd-level limit, approximately 20% lower than traditional SCB10.
Structural Features:
High-quality cold-rolled oriented silicon steel sheets, 45° full inclined seams, low noise, low loss.
High-voltage multi-layer cylindrical structure, low-voltage foil-like structure, strong anti-short-circuit ability.
Local discharge ≤ 10pC, stable operation, no maintenance required.
Applicable Scenarios: General industry, civil buildings, community power distribution, small and medium-sized factories, etc. High cost-performance ratio, popular type.
III. SCB14 Series (Second-level Energy Efficiency - High-Efficiency Energy-saving Type)
Energy Efficiency Standard: GB 20052-2020 Second-level Energy Efficiency (NX2).
Energy Loss Advantages:
No-load energy loss is reduced by approximately 15% compared to SCB12.
Load energy loss is reduced by approximately 10% compared to SCB12.
Technical Upgrades:
Higher grade silicon steel sheets, optimized core laminations and magnetic flux density.
High conductivity oxygen-free copper, with smaller winding resistance and lower heat generation.
Low-noise design (≤50dB), suitable for sensitive areas such as commercial buildings, hospitals, schools, data centers, and high-load industries.
Applicable Scenarios: Commercial complexes, office buildings, hospitals, schools, data centers, high-load industries. It saves more energy during long-term operation.
Energy Efficiency Standard: GB 20052-2020 Second-level Energy Efficiency (NX2).
Energy Loss Advantages:
No-load energy loss is reduced by approximately 15% compared to SCB12.
Load energy loss is reduced by approximately 10% compared to SCB12.
Technical Upgrades:
Higher grade silicon steel sheets, optimized core laminations and magnetic flux density.
High conductivity oxygen-free copper, with smaller winding resistance and lower heat generation.
Low-noise design (≤50dB), suitable for sensitive areas such as commercial buildings, hospitals, schools, data centers, and high-load industries.
Applicable Scenarios: Commercial complexes, office buildings, hospitals, schools, data centers, high-load industries. It saves more energy during long-term operation.
IV. SCB18 Series (First-Class Energy Efficiency - Ultra-Efficient Flagship Model)
Energy Efficiency Standard: GB 20052-2020 First-Class Energy Efficiency (NX1), the current highest energy-saving level.
Loss Level:
No-load loss is reduced by approximately 15% compared to SCB14.
Load loss is the same as SCB14, while the no-load loss is industry-leading.
Core Advantages:
Top-grade silicon steel sheets (such as Hi-B laser etching), ultra-low iron loss.
Low-voltage foil winding, high-voltage multi-layer closely arranged, good heat dissipation, low temperature rise.
Ultra-quiet (≤45dB), no vibration, long lifespan.
Fully sealed, moisture-proof, salt spray-proof, corrosion-resistant, suitable for harsh environments.
Applicable Scenarios: Large data centers, hub substations, high-end commercial buildings, areas with high electricity prices, carbon neutrality key projects.
Energy Efficiency Standard: GB 20052-2020 First-Class Energy Efficiency (NX1), the current highest energy-saving level.
Loss Level:
No-load loss is reduced by approximately 15% compared to SCB14.
Load loss is the same as SCB14, while the no-load loss is industry-leading.
Core Advantages:
Top-grade silicon steel sheets (such as Hi-B laser etching), ultra-low iron loss.
Low-voltage foil winding, high-voltage multi-layer closely arranged, good heat dissipation, low temperature rise.
Ultra-quiet (≤45dB), no vibration, long lifespan.
Fully sealed, moisture-proof, salt spray-proof, corrosion-resistant, suitable for harsh environments.
Applicable Scenarios: Large data centers, hub substations, high-end commercial buildings, areas with high electricity prices, carbon neutrality key projects.
V. Voltage Level Differences of 6kV / 10kV / 20kV
6kV: Old industrial systems, mines, metallurgy, small and medium-sized factories. The capacity is relatively small and its application is gradually decreasing.
10kV: Main urban distribution network. It covers residential areas, commercial areas, and industrial sectors. It has the widest range of models and the strongest versatility.
20kV: New parks, large-scale industries, and new districts' power grids. It has greater transmission capacity, lower line loss, longer power supply radius, and better energy conservation and economic efficiency.
VI. Core Comparisons of the Three Series (GB 20052-2020)
SCB12: Three-level energy efficiency, basic energy saving, lowest cost, preferred for widespread use.
SCB14: Two-level energy efficiency, highly efficient energy saving, the best cost-performance ratio, with a 3-5 year payback period.
SCB18: One-level energy efficiency, ultra-energy-saving flagship, significant annual electricity savings, suitable for high-load, high electricity price, and long-term operation scenarios.
VII. Common Advantages
Safety and Fire Protection: Epoxy resin is flame-retardant and self-extinguishing, and it can be directly installed at the load center.
Environmental Protection and No Pollution: Oil-free, no leakage, recyclable, in line with green and low-carbon.
High Reliability: Moisture-proof, dust-proof, anti-short circuit, maintenance-free, with a lifespan of ≥ 30 years.
Intelligent Adaptability: Can be equipped with temperature control, fans, RS485, and IoT monitoring to meet smart distribution requirements.
6kV: Old industrial systems, mines, metallurgy, small and medium-sized factories. The capacity is relatively small and its application is gradually decreasing.
10kV: Main urban distribution network. It covers residential areas, commercial areas, and industrial sectors. It has the widest range of models and the strongest versatility.
20kV: New parks, large-scale industries, and new districts' power grids. It has greater transmission capacity, lower line loss, longer power supply radius, and better energy conservation and economic efficiency.
VI. Core Comparisons of the Three Series (GB 20052-2020)
SCB12: Three-level energy efficiency, basic energy saving, lowest cost, preferred for widespread use.
SCB14: Two-level energy efficiency, highly efficient energy saving, the best cost-performance ratio, with a 3-5 year payback period.
SCB18: One-level energy efficiency, ultra-energy-saving flagship, significant annual electricity savings, suitable for high-load, high electricity price, and long-term operation scenarios.
VII. Common Advantages
Safety and Fire Protection: Epoxy resin is flame-retardant and self-extinguishing, and it can be directly installed at the load center.
Environmental Protection and No Pollution: Oil-free, no leakage, recyclable, in line with green and low-carbon.
High Reliability: Moisture-proof, dust-proof, anti-short circuit, maintenance-free, with a lifespan of ≥ 30 years.
Intelligent Adaptability: Can be equipped with temperature control, fans, RS485, and IoT monitoring to meet smart distribution requirements.