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1250KVA Dry Type Transformer

Our 1250KVA Dry Type Transformer. Engineered for superior performance, safety, and reliability in demanding industrial and commercial applications.

Our 1250KVA dry-type transformer features a fully enclosed design with IP54 protection rating, effectively preventing dust and moisture intrusion to ensure stable operation in harsh environments. Utilizing Class H insulation materials with a temperature resistance of 180°C, it significantly extends equipment service life.

The compact structure saves installation space, making it particularly suitable for confined electrical rooms. The surface is treated with environmentally friendly coating offering excellent corrosion resistance and aesthetic appeal. Operating at below 60 dB noise level, it far exceeds national standards, creating a quiet working environment. Our transformer is especially ideal for hospitals, schools, commercial centers and other applications demanding highest safety and reliability requirements.

Type Dry Type Transformer
Phase Three Phase
Vector Group Dyn11 / Yyn0
Application scenarios The product is widely used in power transmission and transformation systems,such as hotels,restaurants,airports,high-rise buildings, commercial centers,residential quarters and other important places,as well as subways,smelting power plants and other harsh environments.

product details

PRODUCT INTRODUCTION

Precision Engineering Inside Our 1250KVA Dry Type Transformer. Explore the high-quality components that ensure stable performance and longevity, including vacuum-cast copper coils and advanced cooling systems.
This detailed cutaway diagram reveals the transformer’s internal precision structure:
●Phase A Winding: Uses 99.99% high-purity electrolytic copper conductors with vacuum pressure impregnation treatment, effectively reducing eddy current losses
●Phase Connection System: Features double-layer insulation design with inter-phase isolation exceeding 3000V, ensuring safe operation
●Epoxy Resin Encapsulation: Employing imported epoxy resin material with excellent thermal conductivity and mechanical strength, seismic resistance up to level 9
●Copper Coil System: Nomex paper insulation, Class F insulation rating, temperature rise controlled within 80K
●Cross-Flow Cooling System: Unique axial-radial composite ventilation design improves heat dissipation efficiency by 35%.
These detailed design features ensure stability and efficiency during full-load operation.

FEATURES

1250KVA Dry Type Transformer – Technical Specifications. Review the precise performance metrics, including low no-load loss and high efficiency, ensuring optimal operation for your specific voltage requirements.
Our 1250KVA dry-type transformer delivers exceptional performance parameters:
●Rated Capacity: 1250kVA with short-term overload capability up to 150%
●Voltage Combination: High voltage side 10kV(±2×2.5%), low voltage side 0.4kV, customizable per customer requirements
●Connection Group: Dyn11, effectively suppressing harmonic interference
●No-load Loss: ≤1420W, 20% lower than national standards, saving approximately $700 annually in electricity costs
●Load Loss: ≤9500W (at 120°C conditions)
●No-load Current: ≤0.85%, excellent magnetization characteristics
All parameters are certified by National Transformer Quality Supervision and Inspection Center, ensuring data reliability. 未标题-1_03

PRODUCT SPECIFICATIONS

Uncompromising Quality Assurance for Every 1250KVA Dry Type Transformer. Our promise is backed by a robust QC system, a solid two-year guarantee, and dedicated local team support.
●We have established a comprehensive quality assurance system:
●QC Testing System: 13 quality inspection procedures including partial discharge test (≤5pC), lightning impulse test, sudden short-circuit test
●Two-Year Warranty: 24-month extended warranty with lifetime maintenance, 48-hour response time for quality issues
●Local Service: Service networks in 20 countries worldwide providing local technical support and parts supply Our transformers average over 200,000 hours of trouble-free operation with failure rate below 0.5%, ensuring your complete peace of mind.

Rated Capacity(KVA)	Voltage Combination			Connection group symbol	No-load loss（W）	Under the different insulationheat-resisting rank loadloss(W)			NO-Load current %
Rated Capacity(KVA)	H.V (KV)	High Voltage Tapping	L.V（KV）	Connection group symbol	No-load loss（W）	130℃（B）(100)℃	155℃（B）(120)℃	180℃（B）(145)℃	NO-Load current %
30	6 6.3 6.6 10 10.5 11	±2*2.5 ±5	0.4	Dyn11 Yyn0	130	605	640	685	2
50					185	845	900	965	2
80					250	1160	1240	1330	1.5
100					270	1330	1415	1520	1.5
125					320	1565	1665	1780	1.3
160					365	1800	1915	2050	1.3
200					420	2135	2275	2440	1.1
250					490	2330	2485	2665	1.1
315					600	2945	3125	3355	1
400					665	3375	3590	3850	1
500					790	4130	4390	4705	1
630					910	4975	5290	5660	0.85
800					1035	5895	6265	6715	0.85
1000					1205	6885	7315	7885	0.85
1250					1420	8190	8720	9335	0.85
1600					1665	9945	10555	11320	0.85
2000					2075	12240	13005	14005	0.7
2500					2450	14535	15445	16605	0.7

Built with Expertise: The Production of Our 1250KVA Dry Type Transformer. Witness the skilled craftsmanship and controlled environment that goes into building every unit.
Our manufacturing process employs advanced technology and equipment:
Winding Process: CNC numerical control winding machines with 0.1mm precision ensure winding consistency
Vacuum Casting: Epoxy resin casting in ≤5Pa vacuum environment eliminates bubble formation
Heat Treatment: Program-controlled temperature curing ovens with ±2°C temperature accuracy ensure stable insulation performance
Assembly Testing: Fully automated assembly production line with 72-hour aging test for every transformer We strictly implement ISO9001 quality management system with quality tracking records for each production step ensuring full traceability.

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