(2) Selection of Main _ Branch CB as per NEC-210 (1.8.23).xlsx

	B	C	D	E	F	G	H	I	J	K	L	M	N	O	P	Q	R	S	T	X	Y	Z	AA	AB	AC	AD	AE	AF	AG	AH	AI	AJ
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2					Selection of Main & Branch Circuit Breaker for Distribution Box (As per NEC)
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4						Main Circuit Breaker for D.B			Load Detail for Distribution Box					Main & Branch MCCB Rating(min) as per NEC Section:210
5									Continious Load			39	Amp
6						Pole	3 or 4		Non-Continious Load			0	Amp
7						Size	100 Amp		Total Load as per NEC			39	Amp
8						Class	D Class		Total Load			31	Amp		Jignesh.Parmar
9						Tripping (Amp)	628 Amp		Max. Size of Branch Feeder MCB			40	Amp		jiguparmar@yahoo.com
10						Sen.I∆n			Min.Size of Main MCB as per NEC			80	Amp		www.electricalnotes.wordpress.com
11						Brea.Capacity	6 KA		Fault Current at this Point (Isc)			6	KA
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14	Feeder Name	Electrical Load Details								Circuit Breaker for Branch Feeder						Cable Detail
15	Feeder Name	Phase	Volt	P.F	Load (Kw)	Type of Load	Nature of Load	Load Amp	NEC Amp	Type of C.B	Size (Amp)	Pole	Class	Tripping (A)	Sen.I∆n	ActualSize (Sq.mm)	Length (Meter)	Max.Length (Meter)	Cable Selection
16	Feeder-1	3Ph	230	0.8	10	Lighting	Continious	31.4	39.2	ELCB	40	3 or 4	B Class	157	I∆n:30ma	6	100	160	O.K	5	1	3	1	1Ph	Lighting	B Class	I∆n:30ma	Continious	MCB	2	0.13	2
17								0.0	0.0		0			0				0		0	0	0	0	3Ph	Heater	B Class	I∆n:30ma	Non-Continious	MCCB		0.16	2
18								0.0	0.0		0			0				0		0	0	0	0		Drive	C Class	I∆n:100ma	Max.MCCB	RCB		0.2	2
19								0.0	0.0		0			0				0		0	0	0	0		A.C	C Class	I∆n:30ma	NEC	ELCB		0.26	2
20								0.0	0.0		0			0				0		0	0	0	0		Motor	C Class	I∆n:100ma	Total Amp	RCCB		0.33	2
21								0.0	0.0		0			0				0		0	0	0	0		Ballast	C Class	I∆n:30ma				0.41	2
22								0.0	0.0		0			0				0		0	0	0	0		Ind.Load	C Class	I∆n:100ma				0.52	2
23								0.0	0.0		0			0				0		0	0	0	0		Transformer	D Class	I∆n:100ma				0.65	2
24								0.0	0.0		0			0				0		0	0	0	0					0			0.82	2
25								0.0	0.0		0			0				0		0	0	0	0					0			1.04	2
26								0.0	0.0		0			0				0		0	0	0	0					0			1.5	2
27								0.0	0.0		0			0				0		0	0	0	0					0			2.5	3
28								0.0	0.0		0			0				0		0	0	0	0					D Class			4	4
29								0.0	0.0		0			0				0		0	0	0	0					3			6	5
30								0.0	0.0		0			0				0		0	0	0	0					3 or 4			10	6
31								0.0	0.0		0			0				0		0	0	0	0					230			16	7
32								0.0	0.0		0			0				0		0	0	0	0					#N/A			25	8
33								0.0	0.0		0			0				0		0	0	0	0					I∆n:30ma			35	9
34								0.0	0.0		0			0				0		0	0	0	0					1			50	10
35								0.0	0.0		0			0				0		0	0	0	0								55	10
36																															70	11
37																															95	12
38																															120	13
39																															150	14
40																															185	15
41																															240	16
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