IEC61095 PVC system 1P-4P MCB moulded case circuit breakers 230V 63A

IEC61095 20years experience PVC system 1P-4P MCB

APPLICATION

miniature circuit breaker is mainly suitable for overload and short circuit protection. It is especially used for illumination and distribution in industry and commerce. It is of pleasing out-look, light weight, reliable performance, high breaking capacity, etc. Its frame and parts adopt plastics of high inflammable resistance and shock resistance for long service life. It is mainly used for overload and short circuit protection within the circuit of AC 50/60 Hz, rated voltage of single pole up to 230V, two, three or four poles up to 400V. It can also be used for an unfrequent switchover of the circuit and illumination under normal conditions.

General rules for choosing MCB

 a.Technical date of the network at the point considered:The earthing systems(THS,TNC),Short circuit

 current at the circuit-breaker installation point,which must always be less than the breaking capacity

 of this device,Network normal voltage.

 b. There are 3 curve characteristics for magnetic operation: B curve (3-5ln) protection and control of

 the circuit against overloads and short-circuit ; protection for people and big length cables in TN and IT

 systems.

 c.  curve (5-10ln) protection and control of the circuits against overloads and short circuits ; protection 

for resistive and inductive load with low inrush current.

 d.  curve(10-14ln) protection and control of the circuits against overloads and short circuit ; protection 

for circuit which supply loads with high inrush current at the circuit closing (LV/LV transformers, 

breakdown lamps).

TECHNICAL PARAMETERS

Product name	High quality C45 1P,2P,3P,4P miniature circuit breaker 100 amp mcb
Standard	Rated Current (A)	Pole	Voltage(V)	Breaking Capacity(A)
BS3871-1 IEC60898	1 to 40 50 to 63	1	240	6000
		2,3,4	415	6000
IEC157-1	50 to 63	1	240	4000
		2,3,4	415	4000
	1	1	220/240	10000
		2,3,4	220/240	20000
		2,3,4	380/415	10000
	3	1	220/240	8000
		2,3,4	220/240	20000
		2,3,4	380/415	8000
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