BFMM Series Moulded Case Circuit Breaker

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BFMM1 Series Moulded Case Circuit Breaker

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BFMM1 series plastic shell circuit breakers are mainly used for AC 50Hz (or 60Hz), rated insulation voltage 800V.rated working voltage 690V and above 400A as overload, under-voltage and short circuit protection far distributing electric energy and protecting lines and power supply equipment in distribution network with rated current of 1600A and below The circuit breaker below the shell level can also be used as overload, under-voltage and short circuit protection of the motor,Under normal conditions,it can be used as infrequent conversion and infrequent starting of motor. Standard:GB/T14048.2

Model And Meaning

Tripping mode and accessory code of circuit breaker

Electromagnetic instantaneous release	200	208	210	220	230	240	250	260	270	218	228	238	248	258	268	278
Compound release	300	308	310	320	330	340	350	360	370	318	328	338	348	358	368	378

Main Technical Parameters

	BFMM1-63			BFMM1-100(125)					BFMM1-225(250)					BFMM1-400				BFMM1-630				BFMM1-800					BFMM1-1250(1600)
	3	4		3			2	4	3			2	4	3			4	3			4	3				4	3
	6,10,16,20, 32,40,50,63			10,16,20,32,40, 50,63,80,100,125					100,125,160 180,200,225,250					200,225,250 315,350,400				400,500 630				630,700 800					800,1000 1250,1600
	690			800
	6000			8000
	AC400/690
	L	M		L	M	H	L		L	M	H	L		L	M	H		L	M	H		C	L	M	H
400V	25	50		35	50	85	35		35	50	85	35		50	65	100	50	50	65	100	65		50	85	100	85	85
690V						20				20					20				20					20
400V	18	30		22	35	50	22		22	35	50	22		35	45	50	35	35	45	65	45		35	50	50	50	50
690V						10				10					10				10					10
				50														100
				120										60				60				20
	4000			3000					1500					1000				1000				500
	6000			7000					6500					4000				4000				2500
	20	25	33	35	40	40	26	63	55	60	60	40	80	80	40		120	130	150	150	200	125		135		180	240
	25	30		40	50	50			65	75	75			100	110			180	200	200		170		190			300

Installation And Overall Dimension Drawing

Circuit breaker model		BFMM1-63			BFMM1-100(125)			BFMM1-225(250)			BFMM1-400		BFMM1-630		BFMM1-800		BFMM1-1250(1600)
Number of poles		3	4		3	2	4	3	2	4	3	4	3	4	3	4	3
Overall dimension mm	Long L	135			150			165			257		270		280		406
	Width W	76		103	92	65	122	107	75	142	140	184	182	240	210	280	210
	High H	74	82	82	68	87		87	104		100		108		103		140.5
Installation dimension mm	a	25		50	30		60	35		70	44	88	58	118	70	14	70
	b	117		117	129	129	129	126	126	126	194	215	200	200	243	243	375
	фd	3.5		3.5	4.5	4.5	4.5	5.5	5.5	5.5	6.5	6.5	7	7	7	7	10
Wiring size behind the board	a1	25			30			35			44		58		70		一
	b1	117			132			144			225		234		243		一
	d1	18			22			24			32		40		48		一
	H3	52			65			70			70		70		75		一
	H4	75			100			110			120		120		125		一
	H5	44			68			66			60		65		一		一
	H6	66			108			110			120		125		一		一
	H7	一			50			50			60		60		一		一
	H8	一			62			69.5			83.5		92		一		一
	H9	一			74			84.5			106.5		110		一		一
	H10	一			17.5			17.5			21		21		一		一
	L5	一			92			94			160		169		一		一
	L6	一			168			163			279		299		一		一
	K	一			6.5			6.5			8.5		8.5		一		一
	J	一			56			54			129		123		一		一

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BFMM1 Series Moulded Case Circuit Breaker

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Model And Meaning

Main Technical Parameters

Installation And Overall Dimension Drawing

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