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MCCB Molded Case Circuit Breakers

MCCB Molded Case Circuit Breakers

Brand Name:HAROK
Model Number:VKM1
Minimum Order Quantity:1000PCS
Payment Terms:L/C, T/T, Western Union, MoneyGram
Place of Origin:CHINA
Product Name:Molded Case Circuit Breakers
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Address: Liuhuang Road, Liushi Town, Yueqing City, Zhejiang Province
Supplier`s last login times: within 25 hours
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Product Details

VKM1 series

Molded Case Circuit Breakers

1. Application

VKM1 series of molded case circuit breakers are applied to frequently changeover the circuit of rated insulation voltage of 800V (VKM1-63 is 500V), AC 50/60Hz, rated voltage 690V or below (VKM1-63 is 415V), rated operating current 1250A, or start the motor not frequently (VKM1-800 without motor protection). The breakers provided with overload short-circuit and under-voltage protection function to protect the lines and power equipment from damage.

The product can be mounted vertically or horizontally.


2. Technical parameters

ModelVKM1-63VKM1-125VKM1-250VKM1-400VKM1-630VKM1-800
Frame current Inm (A)63125250400630800
Rated current In (A)

(6),10

16,20

25,32

40,50

63

(10),16,20

25,32,40

50,63,80

125

125,140

160,180

200,225

250

250,315

350,400

400,500,630

630,700

800

Number of poles3423423423423434
Rated insulation voltage Ui (V)AC500AC800
Rated working voltage Ue (V)AC415AC415,AC690
Rated impulse withstand voltage Uimp (V)60008000
Arcing distance (mm)50100
Breaking capacity gradeLMLMHLMHLMHLMHMH
Limit short-circuit breaking capacity Icu (kA)AC415V25503550853550855065100506510075100
Running short-circuit breaking capacity Ics (kA)AC415V18352235502235503542653542655065
Operation characteristics (times)ON60003000200015001000
OFF85007000400040002500
total1450010000600055003500

3. Outline and installation dimensions (mm)


Model

Pole

No.

Outline Dimension (mm)Installation Dimension (mm)
L1L2L3L4abdHH1
VKM1-63L376135897525117Φ3.52371
VKM1-63M376135978225117Φ3.52371
4100135978250117Φ3.52371
VKM1-125L2651508967/129Φ4.52668
392150896730129Φ4.52668
4120150896760129Φ4.52668
VKM1-125M26515010585/129Φ4.52668
3921501058530129Φ4.52668
41201501058560129Φ4.52668
VKM1-125H27515010585/129Φ4.52668
31061501058530129Φ4.52668
41401501058560129Φ4.52668
VKM1-250L27516511085.5/126Φ4.53074
310616511085.535126Φ4.53074
414016511085.570126Φ4.53074
VKM1-250M275165125104/126Φ4.53074
310616512510435126Φ4.53074
414016512510470126Φ4.53074
VKM1-250H275165125104/126Φ4.53074
310616512510435126Φ4.53074
414016512510470126Φ4.53074
VKM1-400L315025715110344194Φ763128
419825715110395194Φ76589
VKM1-400M315025715110344194Φ763128
419825715110395194Φ76589
VKM1-400H315025715110344194Φ763128
419825715110395194Φ76589
VKM1-630L318227015511058200Φ762.5134
4240270155110116200Φ76589
VKM1-630M318227015511058200Φ762.5134
4240270155110116200Φ76589
VKM1-630H318227015511058200Φ762.5134
4240270155110116200Φ76589
VKM1-800L321028015010870243Φ765.5105
428028015010870243Φ765.5105
VKM1-800M321028015010870243Φ765.5105
428028015010870243Φ765.5105
VKM1-800H321028015010870243Φ765.5105
428028015010870243Φ765.5105
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MCCB Molded Case Circuit Breakers

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