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DC High Voltage Molded Case Circuit Breaker WM6DC MCCB

Model WM6DC-250/320 WM16DC-400
Rated frame current Inm (A) 250,320 400
Rated current In (A) 63,80,100,125,140,160,180,200,225,250,280,315,320 225,250,315,350,400
Number of poles 2 3 2 3
Rated operational voltage Ue (V) DC 500 1000 1500 250/500 750/1000 1250/1500 1250/1500
Rated insulation voltage Ui (V) 1250 1500 1500
Rated impulse withstand voltageJimp (kV) 8 12 12
Rated ultimate short-circuit breakingcapacity Icu (kA) H Type 50 20 20 70 40 20 20①

40②
R Type – – – 85 60 40 40①

50②
Rated service short-circuit breakingcapacity Ics (kA) 100%Icu
Wiring mode Top incoming and bottom outcoming, Bottom incoming and top outcoming (2P, 320/3P)Bottom incoming and bottom outcoming, Top incoming and top outcoming (3P)
Mechanical life (Times) 20000 10000
Electrical life (Times) 3000 2000 1500 1000 1000 700 500
Isolation function Yes
Standards IEC 60947-2
Ambient temperature -40°C~+70°C
Protection degree IP20
Accessories Auxiliary, alarm, off load, Hand operation, Electric operation
Arcing distance (mm) ≤50 (Zero arc, with arcing cover)
Instantaneous tripper 10In
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Product Description About Us

Preview：

Through many years of dedicated research on the actual system operation situation and customer needs of new enery at home and abroad, ETW Electric has developed the WM6 DC series DC Molded Circuit Breaker for New Energy.
Product Characteristic:

-WM6DC series Molded Circuit Breaker, The maximum rated voltage is DC 150oV, and the maximum current is 800A

-WM6DC series Molded Circuit Breaker, inthe voltage of DC 150oV,the maximum breaking capacityis 50kA, which can ensure reliable short-circuit protection of the system.

WM6DC series DC molded case circuit breaker meet the following standards:IEC 60947-1 General Provisions,IEC 60947-2 Circuit Breaker

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