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HEYI Electrical CO.,LTD

Contact person: Bethy

Position: Sales Manager

Tel: 86-577-62659558

Fax: 86-577-61712987

Mobile: 86-13968747975

E-mail: heyi@heyiele.com

bethy@heyiele.com

Skype: bethycai

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Zhe Jiang, CHINA

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 BK series control transformer

Scope of application

BK Series control transformer (hereinafter referred to as the transformer )50-60Hz apply to 500V circuit usually as a tool to control local electrical lights and power indicator light.

Structure feature

BK Series transformer can be classified according to the structure of the shell and by the way the installation can be divided into vertical.

Usage environment

Ambient air temperature kr-5°Cto +40°,24 hour on average no more than +35°.

Location to install an altitude of no more than 2000m.

Air relative humidity in the anbient air temperature +40°less than 50%,at a relatively low temperature can have a high relative humidity ,

wet on the monthly average maxium humidity was 90% ,while the 

mean minium temperature +25°,and taking intoaccount the temp-

erature changes occur as a result of the product on the surface of

the Gel .Shape and size of the installation



Model Shape and size Distance to install Installation hole K*J
B max D max E max A C
BK25~50 78 68 87 52±0.5 52±0.5 4.8*9
BK-100 84 82 94 64±0.5 64±0.5 4.8*9
BK-150 96 98 106 81±0.5 81±0.5 5.8*11
BK-200 96 105 106 88±0.5 88±0.5 5.8*11
BK-250 96 108 106 91±0.5 91±0.5 5.8*11
BK-300 120 117 114 97±0.5 97±0.5 7*13
BK-400 132 124 124 104±0.5 104±0.5 7*13
BK-500 132 124 124 104±0.5 104±0.5 7*13
BK-700 132 134 124 114±0.5 114±0.5 7*13
BK-1000 150 153 142 128±0.5 128±0.5 8*13
BK-1500 192 147 177 122±0.5 122±0.5 8*13
BK-2000 192 167 177 152±0.5 152±0.5 8*13
BK-3000 215 220 240 165±0.5 165±0.5 8*13
BK-5000 260 220 280 240±0.5 240±0.5 8*13
BK-10K 300 220 290 280±0.5 280±0.5 8*13

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Contact Online bethycai 285611779 86-13968747975 bethy@heyiele.com