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KVA	Loss, watts,at 75C		Per cent efficiency		Per cent regulation
	Core	Copper	Full load	¼ full load	PF=1.0	PF = 0.8
1½	20	48	95.8	94.2	3.2	4.48
3	27	71	96.8	96.0	2.4	3.36
5	37	104	97.2	96.6	2.2	3.08
7½	50	142	97.5	96.9	2.0	2.80
10	59	183	97.6	97.2	1.9	2.66
15	80	253	97.8	97.5	1.8	2.52
25	120	376	98.0	97.7	1.6	2.25
37½	155	495	98.3	98.0	1.4	1.96
50	190	605	98.4	98.1	1.3	1.82
75	290	905	98.4	98.1	1.3	1.82
100	380	1,175	98.5	98.2	1.3	1.82
150	575	1,670	98.5	98.2	1.3	1.82
200	820	2,050	98.6	98.1	1.2	1.70

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