C.B Tripping Setting _ Motor Data(22.8.12).xlsx

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2									Jignesh.Parmar www.electricalnotes.wordpress.com jiguparmar@yahoo.com
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5	Instant.Short Circuit Tripping Setting of C.B			Cu	Selection of Circuit Fuse								CABLE DATA											Motor starter Selection
6				Alu					Date	6-Feb-26				CURRENT RATING AT 40 DEG (LAID IN TUNNEL)
7	Phase				Circuit Wire Size	mm2	55				AWG	55		X-SECTION	PVC		HRPVC		LT XLPE		HT XLPE -upto 6.6kv(E)		EPR CSP	NEMA Size	Full Voltage Starting		Auto Transformer Starting		Part Winding Starting		Star-Delta Starting		Hp	FLA	Instantanous C.B	Time Delay Fuse
8	Voltage(L-L)	440	Volt								mm2				AL	CU	AL	CU	AL	CU	AL	CU	CU	NEMA Size	230V	440V	230V	440V	230V	440V	230V	440V
9	Voltage(L-N)	230	Volt		Circuit Fuse Size(Max)	325	Amp				AL		1	3cx1.5	14	17	16	21						oo	1.5 Hp	2 Hp
10	Instantaneous Short-Circuit Triping Set	100	Amp								CU		2	3cx2.5	18	24	22	29					26	oo	3 Hp	5 Hp
11	Accuracy	20	%								PVC		3	3cx4	23	30	28	37	31	36			35	1	7.5 Hp	10 Hp	7.5 Hp	10 Hp	10 Hp
12	Cable Size	3cx4	4	0							HRPVC		4	3cx6	30	39	37	48	50	47			46	2	15 Hp	25 Hp	15 Hp	25 Hp	25 Hp
13	Cable Material	Cu			Search Cable Amper Rating (Appro)						LT XLPE		5	3cx10	39	57	49	63	67	62			64	3	30 Hp	50 Hp	30 Hp	50 Hp	50 Hp
14	Actual Length of Cable	5	Meter								HT XLPE		6	3cx16	50	65	62	81	70	79			85	4	50 Hp	100 Hp	50 Hp	100 Hp	75 Hp
15					Type of Cable	AL	HRPVC	1cx240			EPR CSP		7	3cx25	63	66	85	110	96	108	100	115	114	5	100 Hp	200 Hp	100 Hp	200 Hp	150 Hp
16	Max.Length of Cable for your Tripping setting	133	Mt.										8	3cx35	77	110	105	134	117	132	121	140	140	6	200 Hp	400 Hp	200 Hp	400 Hp	300 Hp
17	Your Tripping Setting of C.B is	OK			Current Capacity of Cable		409	Amp					9	3cx50	95	135	128	165	142	162	145	175	175	7	300 Hp	600 Hp	300 Hp	600 Hp	450 Hp
18													10	3cx70	130	155	159	201	179	198	181	215	216	8	450 Hp	900 Hp	450 Hp	900 Hp	700 Hp
19													11	3cx95	155	200	189	244	221	240	221	255	260	9	800 Hp	1600 Hp	800 Hp	1600 Hp	1300 Hp
20													12	3cx120	180	230	220	281	257	276	254	290	303
21													13	3cx150	205	255	250	323	292	318	290	335	349
22													14	3cx185	240	305	293	372	337	366	330	370	398
23													15	3cx225	255	335	323	407	379	402	369	415	372
24													16	3cx240	280	355	342	433	399	426	390	440	348
25													17	3cx300	315	400	384	488	455	480	450	505	325
26													18	3cx400	375	455	458	555	530	546	525	600	304
27													19	3cx500	425	521	519	635	612	612	609	714	284
28													20	3cx630	480	674	586	759	707	685	706	850	265
29													21	1cx120	220	280	268	342	268	336	277	368	299
30													22	1cx150	250	320	305	390	309	384	318	422	343
31													23	1cx185	290	370	354	451	360	444	370	490	391
32													24	1cx225	315	400	390	483	408	479	412	547	366
33													25	1cx240	335	425	409	519	433	510	440	580	342
34													26	1cx300	380	475	464	580	501	570	509	665	320
35													27	1cx400	435	550	531	671	596	660	600	805	299
36													28	1CX500	480	590	586	720	693	708	700	900	279
37													29	1cx630	550	660	671	805	814	825	817	1030	261
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40														AL	CU	409
41													PVC	0	0
42													HRPVC	409	0
43													LT XLPE	0	0
44													HT XLPE	0	0
45													EPR CSP	0	0
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