CM1 630A moulded case circuit breaker

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CM1 series moulded case circuit breakers are one of the new breakers designed and developed by our company by comprehensively adopting advanced technology. 
Rated insulation voltage of this series of breakers are up to 800V. It applies to distribution network

circuit of AC 50Hz or 60Hz with rated working voltage up to 690V and rated working current up to 800A.

It is used to protect circuits and powersupply equipment form damage of overload, under-voltage, short-circuit etc, can also be used for infrequent start of motor and provide overload, short circuit and under-voltage protection for the motor. 

This breaker features small volume, high breaking capacity, short arc time, an ideal product to use. This breaker can be installed both vertically and horizontally. 

This product complies with standard of IEC 60947-2. 

Classifications 
1. According to breaking capacity of MCCB: L(standard type), M(relatively higher breaking type), H(high breaking type) 
2. According to connection mode of MCCB: Front panel connection (basic connection mode), rear panel connection, plug-in connection 
3. According to operation mode: Direct handle operation (basic operation mode), rotary handle operation, motor operation 
4. According to number of poles: 3 poles, 4 poles.

 

Type Shell Grade Rated

Current Value

(A)

Rated Operating Current
(A)
Rated Insulate Voltage

(V)

Rated limited short-circuit breaking capacit Icu(KA) Rated limited Operating breaking capacit Icu(KA) Flashover Distance

(MM)

400V 690V 400V 690V
CM1-63L 63 (6),10,16,

20,25,32,

40,50,63

500V 35 / 22 / ≤50
CM1-63M 800V 50 / 35 /
CM1-100L 100 10,16,20,

25,32,40,

50,63,80,100

800V 35 8 22 4
CM1-100M 50 10 35 5
CM1-225L 225 100,125,140,

160,180,200,

225

800V 35 8 22 4
CM1-225M 50 10 35 5
CM1-250L 250 250 800V 35 8 22 4
CM1-250M 50 10 35 5
CM1-400L 400 225,250,315

350,400

800V 50 10 35 5 ≤100
CM1-400M 65 10 35 5
CM1-630L 630 400,500,630 800V 50 10 35 5
CM1-630M 65 10 35 5
CM1-800M 800 630,700,800 800V 65 10 35 5
CM1-1250M

 

 

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