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3 Phase 250kVA Air Cooled Transformer Dry Type Isolation Transformer High Reliability
Product Specifications
Attribute
Value
Type
Distribution transformer
Material
Silicon steel sheet, Aluminum
Frequency
50Hz, 60Hz
Shape
Rectangle
Winding Material
Aluminum
Application
Potential
Phase
Three
Coil Structure
TOROIDAL
Coil Number
Multi-winding coil
Input Voltage
10kV
Output Voltage
0.4kV
Rated capacity
30KVA-2500KVA
Cooling Method
ANAF
Core material
CRGO Silicon Steel Core
Rated voltage
6/6.3/10/10.5/11KV
Vector Group
Dyn11/Yyn0
Working frequency
50/60KHz
Operating temperature
40°C To +180°C
Product Overview
The SCB13 Series 250kVA dry-type isolation transformer is a robust and energy-efficient solution for powering critical loads. Designed with a high-grade silicon steel core and vacuum epoxy resin casting, it ensures safe, quiet, and stable power delivery in commercial, medical, and industrial environments. It offers enhanced insulation, low maintenance, and high short-circuit strength.
Technical Specifications
Rated capacity (KVA)
Vector Group
Voltage Combination
No-load loss
Load loss
No-load current
Impedance
30
Yyn0 / Dyn11
10 6.3 6
135
640
2
4.0
50
195
900
2
80
265
1240
1.5
100
290
1410
1.5
125
340
1660
1.3
160
385
1910
1.3
200
445
2270
1.1
250
515
2480
1.1
315
635
3120
1
400
705
3590
1
500
835
4390
1
630
965
5290
0.85
6.0
800
1090
6260
0.85
1000
1270
7310
0.85
1250
1500
8720
0.85
1600
1760
10500
0.85
2000
2190
13000
0.7
2500
2590
15400
0.7
Key Features
Full Electrical Isolation: Prevents interference between primary and secondary circuits
Oil-Free Construction: Eco-friendly and safe for enclosed spaces
High-Grade Core Material: Made with low-loss cold-rolled silicon steel
Benefits
Protects Sensitive Equipment: Filters voltage disturbances and suppresses harmonics
Reduces Maintenance Needs: No oil replacement, fewer failures
Safe for Indoor Use: No risk of oil leakage or fire hazard
Improves System Reliability: Enhances power quality and stability
Easy Installation: Compact and accessible terminal design
Advantages
High Short-Circuit Strength: Withstands dynamic and thermal stress during faults
Customizable Voltage Options: Supports various input/output configurations
IEC & CE Certified: Built to meet global safety and efficiency standards
Long Service Life: Durable insulation system ensures 20+ years of operation
Adaptable for Harsh Environments: Optional IP23 protection grade
Application Scenarios
Precision machine tool power supply
Industrial automation control systems
Hospitals & medical equipment
Laboratories and research centers
High-rise building distribution panels
CNC equipment, elevators, and smart control systems
About HENTG POWER
HENTG POWER is a professional designer, manufacturer and installer of power system solutions worldwide. Founded in 2011 with a 100,000 square meter facility, we specialize in reliable, high-performance solutions for global power systems.
Quality Assurance
We conduct pre-production samples before mass production and final inspection before shipment, providing QC & test reports. We accept Factory Acceptance Tests (FAT). Our factory manufactures oil type and dry type distribution transformers up to 500KV 480MVA power transformers, GIS, switchgear, and substations, based on ANSI/IEEE/DOE2016/CSA/IEC60076 standards, with a 2+ year guarantee service.
Why Choose Us?
Our professional drawing and technical teams can confirm all drawing contents within 7 days. With 30+ senior engineers offering 24/7 online support and 30-minute response times, we ensure exceptional service.
Services
We accept OEM orders and negotiate business payment terms to meet your specific requirements.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Exporter,Trading Company,Seller
Year Established:
2011
Total Annual:
50000000-100000000
Employee Number:
200~250
Ecer Certification：
Verified Supplier
HENTG Power is an ISO9001 certified transformer manufacturer specializing in reliable, high-performance solutions for global power systems since 2011.
With an 100,000 m² factory, over 250 skilled workers, more than 30 senior engineers, and 10+ professional testing engineers, HENTG P...
HENTG Power is an ISO9001 certified transformer manufacturer specializing in reliable, high-performance solutions for global power systems since 2011.
With an 100,000 m² factory, over 250 skilled workers, more than 30 senior engineers, and 10+ professional testing engineers, HENTG P...
