Moulded Case Circuit Breaker

  • MCCB WCM1-250
  • MCCB WCM1-250
  • MCCB WCM1-250
  • MCCB WCM1-250
  • MCCB WCM1-250
  • MCCB WCM1-250
MCCB WCM1-250 MCCB WCM1-250 MCCB WCM1-250 MCCB WCM1-250 MCCB WCM1-250 MCCB WCM1-250

MCCB WCM1-250

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

ModelFrame level rated current (A)Current Rating (A)Rated operation voltage (V)Rated insulation voltage (V)Rated ultimate short circuit breaking capacity (kA) 400VRated operation short circuit breaking capacity (kA) 400V
WCM1-63L63(6), 10, 16, 20, 25, 32, 40, 50, 63AC400AC5002518
WCM1-63M5035
WCM1-125C100(10), 16, 20, 25, 32, 40, 50, 63, 80, 100AC690AC8002010
WCM1-125L3517.5
WCM1-125M5035
WCM1-125H8550
WCM1-250L225100, 125, 140, 160, 180, 200, 225AC690AC8003518
WCM1-250M5035
WCM1-250H8550
WCM1-400L400225, 250, 315, 350, 400AC690AC8005025
WCM1-400M6542
WCM1-400H10065
WCM1-630L630400, 500, 630AC690AC8005025
WCM1-630M6542
WCM1-630H10065
WCM1-800M800630, 700, 800AC690AC8007550
WCM1-800H10065
WCM1-12508001000, 1250AC690AC8006540
WCM1-200012501400, 1600, 1800, 2000AC690AC8006540



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