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63A AC400V 4P Moulded Case Circuit Breaker type

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  • WCM1


Key Information

WCM1

Pole: 2P(only for 125A and 250A), 3P, 4P

Voltage: AC400V/690V

kA: 20-100

Inm(A): 63, 100, 225, 400, 630, 800, 1250, 2000(only with 3P)

In(A): 10, 16, 20, 25, 32, 40, 50, 63, 100, 225, 400, 630, 800, 1250, 1400, 1600, 1800, 2000 

 General

WCM1 series moulded case circuit breaker (MCCB for short) is one of updated type MCCBs researched and developed by the company by using advanced design and manufacture technology internationally. The rated insualted voltage is 800V (500V for WCM1-63). It applies for infrequent switch of the line of AC 50Hz, rated operation voltage 690V and below (400V for WCM1-63), and for infrequent starting of the motor. The MCCB with overload, short circuit and under-voltage protection fitting can protect the line and power device from damage. The MCCB is classified into four types individually as Type C (low breaking), Type L (standard), Type M (higher breaking), Type H (very high breaking) according to the rated ultimate short circuit breaking capacity (Icu) ranking. The MCCB is small in volume, high breaking capacity, short flashover (zero flashover of some spare parts), and vibration resistance, is the ideal product for using on land and at ship. The MCCB can be installed verticall (vertical mounting), and horizontally (horizontal mounting).

Main technical parameters

Model

Frame level rated current (A)

Current Rating (A)

Rated operation voltage (V)

Rated insulation voltage (V)

Rated ultimate short circuit breaking capacity (kA) 400V

Rated operation short circuit breaking capacity (kA) 400V

WCM1-63L

63

(6), 10, 16, 20, 25, 32, 40, 50, 63

AC400

AC500

25

18

WCM1-63M

50

35

WCM1-125C

100

(10), 16, 20, 25, 32, 40, 50, 63, 80, 100

AC690

AC800

20

10

WCM1-125L

35

17.5

WCM1-125M

50

35

WCM1-125H

85

50

WCM1-250L

225

100, 125, 140, 160, 180, 200, 225

AC690

AC800

35

18

WCM1-250M

50

35

WCM1-250H

85

50

WCM1-400L

400

225, 250, 315, 350, 400

AC690

AC800

50

25

WCM1-400M

65

42

WCM1-400H

100

65

WCM1-630L

630

400, 500, 630

AC690

AC800

50

25

WCM1-630M

65

42

WCM1-630H

100

65

WCM1-800M

800

630, 700, 800

AC690

AC800

75

50

WCM1-800H

100

65

WCM1-1250

800

1000, 1250

AC690

AC800

65

40

WCM1-2000

1250

1400, 1600, 1800, 2000

AC690

AC800

65

40

 

 

 


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