CURRENT RATE \| 1 eur / Kč \|	24,237	6.7.-12.7.2026

WEEKLY METAL PRICES	Cu	Al
Base price \| eur/100 kg \|	150,00	150,00
Current price \| eur/100 kg \|	1204,94	344,83
Current recalculation \| eur/kg \|	10,55	1,95

CURRENT RATE \| 1 eur / Kč \|	24,25	9.7.2026

DAILY METAL PRICES	Cu	Al
Base price \| eur/100 kg \|	150,00	150,00
Current price \| eur/100 kg \|	1190,74	349,03
Current recalculation \| eur/kg \|	10,41	1,99

FRQKAHM (QF – INDOOR)

...x4x0.4 (0.6)

Transmission element – each 4 cores are twisted a star quad, the quads are stranded to units, the units are stranded to the cable core.

Specification

MMD57V4

Application

» for basic phone services in analogue and digital transmission systems
» the cables with PVC jacket are designed to be placed in areas with fire spread danger

Environmental conditions

Temperature ranges for laying and assembly 0 °C to +40 °C
Operation and store temperatures – 30 °C to +50 °C
Permitted minimum bending radius min. 10D
Cable lifetime min. 30 years

D – outside cable diameter

Electrical parameters (20 °C)

Conductor diameter	mm	0.4	0.6
Max. loop resistance	Ω/km	300	130
Insulation resistance min.	GΩ.km	min. 10	min. 10
Mutual capacitance	nF/km	43 ± 3	43 ± 3
Capacity unbalance k₁ at 800 Hz	pF/500 m	800	800
Effective test voltage wire/wire at 50 Hz	V	600	600
Effective test voltage wire/shield at 50 Hz	V	2,000	2,000
Operating voltage	Vss	250	250

	Wire/core diameter 0.4/0.73 mm			Wire/core diameter 0.6/1.07 mm
Number of units	External diameter [mm]	Net weight [kg/km]	Standard production length [m]	External diameter [mm]	Net weight [kg/km]	Standard production length [m]
1	–	–	–	5.5	34	2,000
5	9.3	81	2,000	8.6	74	2,000
10	10.9	120	2,000	11.2	129	2,000
15	11.7	154	2,000
25	14.4	237	2,000
50	18.4	409	2,000
75	21.8	584	1,000
100	25.2	772	1,000