The Guide - MEM Technical Support

Protecting Lighting Circuits with Memshield 2 MCBs
Circuit Breakers

The following tables show the maximum number of light fittings which will be adequately protected by Memshield 2 Type C MCBs.

Fluorescent Lamps - Number of fittings per pole.

Lamp (W)	Ballast Type	Connection	MCB Rating (A) - Type C
Lamp (W)	Ballast Type	Connection	1	2	4	6	8	10	13	16	20	25	32	40	50	63
4	switchstart	non-compensated	5	11	23	35	47	58	76	94	117	147	188	235	294	370
	-	compensated	1	2	5	8	11	14	19	23	29	36	47	58	73	92
2 x 4	switchstart	non-compensated	2	5	11	17	23	29	38	47	58	73	94	117	147	185
	-	compensated	1	2	5	8	11	14	19	23	29	36	47	58	73	92
6	switchstart	non-compensated	6	13	26	40	53	66	86	106	133	166	213	266	333	420
	-	compensated	1	3	6	10	13	16	21	26	33	41	53	66	83	105
2 x 6	switchstart	non-compensated	3	6	13	20	26	33	43	53	66	83	106	133	166	210
	-	compensated	1	3	6	10	13	16	21	26	33	41	53	66	83	105
8	switchstart	non-compensated	6	13	26	40	53	66	86	106	133	166	213	266	333	420
	-	compensated	1	3	6	10	13	16	21	26	33	41	53	66	83	105
2 x 8	switchstart	non-compensated	3	6	13	20	26	33	43	53	66	83	106	133	166	210
	-	compensated	1	3	6	10	13	16	21	26	33	41	53	66	83	105
13	switchstart	non-compensated	5	11	23	35	47	58	76	94	117	147	188	235	294	370
	-	compensated	1	2	5	8	11	14	19	23	29	36	47	58	73	92
15	switchstart	non-compensated	8	16	33	50	66	83	108	133	166	208	266	333	416	525
	-	compensated	2	3	8	12	16	20	27	33	41	52	66	83	104	131
2 x 15	switchstart	non-compensated	4	8	16	25	33	41	54	66	83	104	133	166	208	262
	-	compensated	2	3	8	12	16	20	27	33	41	52	66	83	104	131
18	switchstart	non-compensated	7	15	30	46	61	76	100	123	153	192	246	307	384	484
	-	compensated	1	3	7	11	15	19	25	30	38	48	61	76	96	121
2 x 18	switchstart	non-compensated	3	7	15	23	30	38	50	61	76	96	123	153	192	242
	-	compensated	1	3	7	11	15	19	25	30	38	48	61	76	96	121
4 x 18	switchstart	non-compensated	1	3	7	11	15	19	25	30	38	48	61	76	96	121
	-	compensated	1	3	7	11	15	19	25	30	38	48	61	76	96	121
30	switchstart	non-compensated	5	11	22	33	44	55	72	88	111	138	177	222	277	350
	-	compensated	1	2	5	8	11	13	18	22	27	34	44	55	69	87
36	switchstart	non-compensated	4	9	18	27	36	45	59	72	90	113	145	181	227	286
	-	compensated	1	2	4	6	9	11	14	18	22	28	36	45	56	71
2 x 36	switchstart	non-compensated	2	4	9	13	18	22	29	36	45	56	72	90	113	143
	-	compensated	1	2	4	6	9	11	14	18	22	28	36	45	56	71
58	switchstart	non-compensated	2	5	11	17	23	29	38	47	58	73	94	117	147	185
	-	compensated	0	1	2	4	5	7	9	11	14	18	23	29	36	46
2 x 58	switchstart	non-compensated	1	2	5	8	11	14	19	23	29	36	47	58	73	92
	-	compensated	0	1	2	4	5	7	9	11	14	18	23	29	36	46
70	switchstart	non-compensated	2	5	10	15	21	26	34	42	52	65	84	105	131	165
	-	compensated	0	1	2	3	5	6	8	10	13	16	21	26	32	41
2 x 70	switchstart	non-compensated	1	2	5	7	10	13	17	21	26	32	42	52	65	82
	-	compensated	0	1	2	3	5	6	8	10	13	16	21	26	32	41
100	switchstart	non-compensated	1	3	7	11	15	19	25	31	39	49	62	78	98	123
	-	compensated	0	0	1	2	3	4	6	7	9	12	15	19	24	30
125	switchstart	non-compensated	1	2	4	6	8	10	13	17	21	26	34	42	53	67
	-	compensated	0	0	1	1	2	2	3	4	5	6	8	10	13	16
Please contact us for Electronic Ballasts (HF)

Discharge Lamps - Number of fittings per pole.

Lamp Type	Lamp (W)	MCB Rating (A) - Type C
Lamp Type	Lamp (W)	1	2	4	6	8	10	13	16	20	25	32	40	50	63
MBF
	50	0	1	3	5	6	8	10	13	16	20	26	33	41	52
	80	0	1	2	3	4	5	6	8	10	12	16	20	25	31
	125	0	0	1	2	2	3	4	5	7	8	11	14	17	22
	250	0	0	0	1	1	1	2	3	3	4	6	7	9	12
	400	0	0	0	0	0	1	1	1	2	2	3	4	5	7
	700	0	0	0	0	0	0	0	1	1	1	2	2	3	4
MBI
	150	0	0	1	1	2	3	4	5	6	7	10	12	15	19
	250	0	0	0	1	1	1	2	3	3	4	6	7	9	12
	400	0	0	0	0