Current Ratings for HELUTHERM® 145

For permanent operating at Ambient temperature of 30°C. Conversion factors for the deviating site operating conditions - see tables below.
Sufficiently large or ventilated rooms in which the ambient temperature is not noticeably increased by the heat loss from the cable. Protection should be taken from the solar radiation etc.

Installation	in open air	on surface without contact	on surface with contact	in tubes, conduits, cabinets
Conversion factors for grouping	-	table 1	table 2	table 3
Cross-section mm²	Current Ratings in Ampere (A) up to 30°C ambient temperature
0.25	13	12	9	7
0.33	17	15	11	9
0.50	19	18	12	10
0.75	24	23	17	13
1.0	31	30	20	17
1.5	39	36	25	20
2.5	51	48	33	26
4	68	65	45	36
6	88	84	58	46
10	121	116	80	64
16	160	152	106	85
25	211	200	140	111
35	261	248	172	138
50	320	304	211	169
70	411	391	272	217
95	502	476	331	265
120	587	558	387	310
150	680	646	449	359
185	781	743	516	413
240	931	884	614	492