Technical Data of Wires

Aluminum conductor wires and cables electrical data

Conductor cross-section, mm²	Voltage 220 V		Voltage 380 V
Conductor cross-section, mm²	Current A	Power kW	Current A	Power kW
2.5	20	4.4	19	12.5
4	28	6.1	23	15.1
6	36	7.9	30	19.8
10	50	11.0	39	25.7
16	60	13.2	55	36.3
25	85	18.7	70	46.2
35	100	22.0	85	56.1
50	135	29.7	110	72.6
70	165	36.3	140	92.4
95	200	44.0	170	112.2
120	230	50.6	200	132.0

General table of conductor cross-section, current, and load power

Copper conductor cross-section square millimeter mm²	Permissible current for copper conductors Ampere A	Nominal circuit breaker current Ampere A	Maximum circuit breaker current Ampere A	Maximum single-phase load power 220 V Kilowatt kW	Application
1.5	19	10	16	4.1	Lighting and signaling circuits
2.5	27	16	20	5.9	Sockets, underfloor heating
4	38	25	32	8.3	Water heaters, air conditioners, cookers (380V)
6	46	32	40	10.1	Electric stoves, ovens, main supply lines
10	70	50	63	15.4	Main input and supply lines

Copper conductor wires and cables electrical data

Conductor cross-section, mm²	Voltage 220 V		Voltage 380 V
Conductor cross-section, mm²	Current A	Power kW	Current A	Power kW
1.5	19	4.1	16	10.5
2.5	27	5.9	25	16.5
4	38	8.3	30	19.8
6	46	10.1	40	26.4
10	70	15.4	50	33.0
16	85	18.7	75	49.5
25	115	25.3	90	59.4
35	135	29.7	115	75.9
50	175	38.5	145	95.7
70	215	47.3	180	118.8
95	260	57.2	220	145.2
120	300	66.0	260	171.6

Types of Circuit Breakers

Types of circuit breakers

Type	Application
A	Circuits with long lines, protection of semiconductor devices
B	Lighting and general-purpose circuits
C	Lighting circuits and electrical equipment with medium inrush current (motors and transformers)
D	Circuits with active inductive loads, motors with high inrush currents
E	Inductive loads
Z	Electronic equipment

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