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Shanghai Wenhong Electrical Equipment Co., Ltd

  • E-mail

    18621887597@163.com

  • Phone

    18621887597

  • Address

    555 Chenchuan Road, Baoshan District, Shanghai

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Shielded isolation transformer

NegotiableUpdate on 09/14
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Overview

Shielding isolation transformer ● Product Overview DG/SG series single and three-phase anti-interference isolation transformers are energy-saving power transformers developed by our company based on similar foreign products and combined with China's national conditions

Product Details

Shielded isolation transformer
● Product Overview
The DG/SG series single and three-phase anti-interference isolation transformers are energy-saving power transformers developed by our company based on similar foreign products and combined with China's national conditions. Our company has been committed to the design and manufacturing of power transformers with voltage levels below 690V and capacities ranging from 1KVA to 800KVA. Adhering to our consistent rigorous style, we provide customers with high-quality and highly reliable energy-saving products. The product meets the relevant standards of GB1094.11-2007, JB/T 5555-2013, GB6450, GB/T10228, and IEC60726 for low-voltage dry-type transformers.
The DG/SG series single and three-phase anti-interference isolation transformers are widely used in various power supply scenarios with AC 50, 60HZ, input and output voltages not exceeding 690V. The various inputs and outputs, voltage levels, connection groups, tap position adjustment, winding capacity allocation, secondary winding configuration, and whether to require a casing of the product are carefully designed and manufactured according to the user's requirements.
● Technical parameters

DG/SG Singlethree-phaseMachine tool specifictransformerTechnical Specifications

inputvoltage

ratedVoltage ± 10%

worktemperature

-15℃~40℃

outputvoltage

ratedVoltage ± 3%no-load

altitudeheight

<1000 meters

frequencyscope

50/60Hz

protectionlevel

IP20。otherIP ratingcustomizable

Efficiency

≥95%

relativehumidity

10%~90% RH

Noise

<55dB

executestandard

GB1094.11-2007dry-typetransformer

waveformdistortion

noneAdditional waveform distortion

installThere is no steam or chemical deposition that seriously affects the insulation of transformers in the venuedustDirt and other explosive and corrosive media

displayfunction

haveInput voltage, output voltage, and currentinstruction

insulation resistance

≥5MΩ

dielectricintensity

power frequencysinusoidal voltage2000V for 1 minuteNo breakdown or flashover phenomenon

Fan Nocomply withthe aboveThe special conditions for use shall be determined through consultation between the user and our factory

overloadability

2 timesRated current, maintain1 minute