Power Transformer

US$42.00 / Piece

250va 380V/50V Power Isolation Dry Electrical Step Down Transformer Manufacture for Railway to Switch Power Supply pictures & photos

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What is 250va 380V/50V Power Isolation Dry Electrical Step Down Transformer Manufacture for Railway to Switch Power Supply

Name: 250va 380V/50V Power Isolation Dry Electrical Step Down Transformer Manufacture for Railway to Switch Power Supply
Uploaded: 2025-12-20T08:48:42+08:00
Description: Product Description Description: This transformer is the rail transit power core. It ceaselessly powers frequency converters, key for train operation and signal transfer, smoothing rail transit. 1.

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Price

Min. Order Reference FOB Price

1 Piece US$42.00 / Piece

Sepcifications

Application Power, Rail Transit
Phase Three
Core Core-type Transformer
Cooling Method an
Winding Type Multi-winding Transformer
Certification ISO9001, CE
Usage Power Transformer
Frequency Characteristics Power Frequency
Shape of Core Rectangular Core
Brand Lushan China
Transport Package Wooden Pallet/Wooden Case
Trademark Lushan
Origin Changsha China
Type Three-Phase Dry Transformer
Capacity 250va
Work Efficiency ≥96%
Primary Voltage 380V
Secondary Voltage 50V
Insulation Class H/F
No Load Loss Customized
Load Loss Customized
Impedance Customized
Winding Materials Copper/Aluminum
Vector Group Yd11 Dy11 Yy6 Yd5 Dy1
Optional Accessories Temperature Controller, Fans, Enclosure Case
Executive Standard GB/T 1094.11-2022, GB/T 25120-2023

Product Description

Product Description Description: This transformer is the rail transit power core. It ceaselessly powers frequency converters, key for train operation and signal transfer, smoothing rail transit. 1.High Efficiency and Energy Saving At 95% efficiency, it leans on high-perm. silicon steel ...

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Changsha Lushan Electronic Technology Co., Ltd.

Diamond Member Since 2022

Audited Supplier

Rating & Reviews: 5.0/5.0

(1 Reviews)

Business Type Manufacturer/Factory & Trading Company
Main Products Power Transformer, Single-Phase Transformer, Three-Phase Transformer, Dry ...
Year of Establishment 1975-08-07
Number of Employees 57
Address Xinggongdadao, Wangcheng District, Changsha, Hunan, China

Power Transformer Comparison

	250va 380V/50V Power Isolation Dry Electrical Step Down Transformer Manufacture for Railway to Switch Power Supply Contact Now	Quick View High Voltage 3200/3500 kVA 3 Phase Distribution Transformer 13.8kv 13.2kv Pad Mounted Transformer Contact Now	Quick View Factory Directly Supply S11-M-25kVA/10-0.4 Pure Copper Oil Immersible Power Transformer Contact Now	Quick View Hot Sale 250kVA 34.5kv to 690V Three Phase Power Transformer Oli Immersed Distribution Transformer Price Contact Now	Quick View 3 Phase Step Down 7.5 Mva 15 Mva Transformer Substation Transformer Contact Now

Transaction Info
	250va 380V/50V Power Isolation Dry Electrical Step Down Transformer Manufacture for Railway to Switch Power Supply Contact Now	Quick View High Voltage 3200/3500 kVA 3 Phase Distribution Transformer 13.8kv 13.2kv Pad Mounted Transformer Contact Now	Quick View Factory Directly Supply S11-M-25kVA/10-0.4 Pure Copper Oil Immersible Power Transformer Contact Now	Quick View Hot Sale 250kVA 34.5kv to 690V Three Phase Power Transformer Oli Immersed Distribution Transformer Price Contact Now	Quick View 3 Phase Step Down 7.5 Mva 15 Mva Transformer Substation Transformer Contact Now
Price	US$42.00 / Piece	US$3,250.00-30,000.00 / Piece	US$500.00-20,000.00 / Piece	US$3,000.00-100,000.00 / Piece	US$10.00-2,000.00 / Piece
Min Order	1 Piece	1 Piece	1 Piece	1 Piece	1 Piece
Payment Terms	T/T, PayPal	LC, T/T, D/P, PayPal, Western Union, Small-amount payment	LC, T/T, D/P, PayPal, Western Union, Small-amount payment	LC, T/T, D/P, PayPal, Western Union, Small-amount payment	LC, T/T, D/P, PayPal, Western Union, Small-amount payment
Quality Control
Product Certification	ISO9001, CE	ISO9001-2000, ISO9001, CCC, ANSI	ISO9001-2000, ISO9001, CCC	ISO9001-2000, ISO9001, CCC	ISO9001-2000, ISO9001, CCC
Management System Certification	-	-	-	-	-
Trade Capacity
Export Markets	North America, South America, Europe, Africa, East Asia(Japan/ South Korea), Australia, Domestic	Africa, Domestic, Central Asia	Africa, Domestic, Central Asia	Africa, Domestic, Central Asia	Africa, Domestic, Central Asia
Annual Export Revenue	-	-	-	-	-
Business Model	Own Brand, ODM, OEM	Own Brand, ODM, OEM	Own Brand, ODM, OEM	Own Brand, ODM, OEM	Own Brand, ODM, OEM
Average Lead Time	Peak Season Lead Time: one month Off Season Lead Time: within 15 workdays	Peak Season Lead Time: one month Off Season Lead Time: within 15 workdays	Peak Season Lead Time: one month Off Season Lead Time: within 15 workdays	Peak Season Lead Time: one month Off Season Lead Time: within 15 workdays	Peak Season Lead Time: one month Off Season Lead Time: within 15 workdays
Product Attributes
Specification	Application: Power, Rail Transit; Phase: Three; Core: Core-type Transformer; Cooling Method: an; Winding Type: Multi-winding Transformer; Usage: Power Transformer; Frequency Characteristics: Power Frequency; Shape of Core: Rectangular Core; Brand: Lushan China; Type: Three-Phase Dry Transformer; Capacity: 250va; Work Efficiency: ≥96%; Primary Voltage: 380V; Secondary Voltage: 50V; Insulation Class: H/F; No Load Loss: Customized; Load Loss: Customized; Impedance: Customized; Winding Materials: Copper/Aluminum; Vector Group: Yd11 Dy11 Yy6 Yd5 Dy1; Optional Accessories: Temperature Controller, Fans, Enclosure Case; Executive Standard: GB/T 1094.11-2022, GB/T 25120-2023;	Application: Power; Phase: Three; Core: Core-type Transformer; Cooling Method: Oil-immersed Type Transformer; Winding Type: Two-winding Transformer; Usage: Combined Transformer, Power Transformer, Distribution Transformer; Frequency Characteristics: Power Frequency; Shape of Core: EI; Brand: Hengfengyou; Rated Capacity: 70-31500 kVA; Coil Strcuture: Toroidal; Product Name: Pad Mounted Transformer; Type: Loop Feed/Radial Feed;	Application: Power, Electronic, Instrument, Lighting, Rectifier, Audio; Phase: Three; Core: Core-type Transformer; Cooling Method: Oil-immersed Type Transformer; Winding Type: Two-winding Transformer; Usage: Single-phase Transformer, Rectifier Transformer, Combined Transformer, Power Transformer, Distribution Transformer; Frequency Characteristics: Power Frequency; Shape of Core: EI; Brand: Hfy;	Application: Power; Phase: Three; Core: Core-type Transformer; Cooling Method: Oil-immersed Type Transformer; Winding Type: Two-winding Transformer; Usage: Combined Transformer, Power Transformer, Distribution Transformer; Frequency Characteristics: Power Frequency; Shape of Core: EI; Brand: Hengfengyou; Rated Capacity: 50-31500 kVA; H.V. Winding: 33kv; L.V. Winding: 0.4kv; Vector Group: Dyn11 Yyn0; No-Load Loss: 0.16-2.36kw; No-Load Current: 0.55- 1.3%; Short-Circuit Impedance: 1.3-0.55 %;	Application: Power; Phase: Three; Core: Core-type Transformer; Cooling Method: Oil-immersed Type Transformer; Winding Type: Two-winding Transformer; Usage: Power Transformer, Distribution Transformer; Frequency Characteristics: Power Frequency; Shape of Core: EI; Brand: Hfy;
Supplier Name	Changsha Lushan Electronic Technology Co., Ltd.	Qingdao Hengfengyou Electrical Engineering Co., Ltd.	Qingdao Hengfengyou Electrical Engineering Co., Ltd.	Qingdao Hengfengyou Electrical Engineering Co., Ltd.	Qingdao Hengfengyou Electrical Engineering Co., Ltd.
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