J-Y(St)Y BMK | Easycables

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J-Y(St)Y BMK

As an installation cable for message and signal transmission for fire alarm systems in dry and damp rooms on, in and under plaster, but also outdoors for fixed installation on external walls of buildings with protection against solar radiation. This version with static shielding (St) protects the transmission circuits against external electrical interference fields. Not approved for heavy current installation purposes and underground installation. Due to the sheath pressure, this cable is specially designed for use in fire alarm systems.

Download datasheet (J-Y(St)Y BMK)

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Number of conductors x Nominal cross-section	Sheath thickness	Outer Ø	Weight	Cu count
mm	approx. mm	approx. mm	approx. kg/km	kg/km
1 x 2 x 0,8	1,1	5,5	38,0	11,0
2 x 2 x 0,8	1,1	6,1	54,0	21,0
3 x 2 x 0,8	1,1	8,0	77,0	32,0
4 x 2 x 0,8	1,1	8,7	94,0	41,0
5 x 2 x 0,8	1,1	9,4	114,0	52,0
6 x 2 x 0,8	1,1	10,1	135,0	62,0
10 x 2 x 0,8	1,3	13,1	205,0	103,0
12 x 2 x 0,8	1,3	13,5	235,0	123,0
20 x 2 x 0,8	1,3	15,6	352,0	203,0
30 x 2 x 0,8	1,5	19,4	522,0	304,0
40 x 2 x 0,8	1,5	20,9	663,0	404,0
50 x 2 x 0,8	1,7	23,7	832,0	505,0
100 x 2 x 0,8	2,1	36,5	1.900,0	1.008,0

based on DIN VDE 0815

Bare copper wire, solid, Ø 0,8 mm
PVC - core insulation YI1
Core and pair labelling
according to VDE 0815
Cores to pairs,
pairs stranded to layers,
2-pair cable to form a star quad
Strapping made of plastic film
Shade made of plastic-laminated aluminium
aluminium foil with double wire
PVC outer sheath
Sheath colour red, with imprint:
FIRE ALARM CABLE

Operating voltage U:	max. 300 V
Testing voltage (50 Hz 1 min.):
Core/Core:	800 V
Core/Shield:	800 V
Insulating resistance:	≥ 100 MOhm x km
Conductor resistance of the loop:	max. 73,2 Ohm/km
Operating capacity (at 800 Hz):	max. 100 nF/km
Capacitive coupling (at 800 Hz):	max. 300 pF/km
Temperature range:
When laying:	max. – 5°C
Operating temperature:	-30°C to +70°C
Minimum bending radius:	7,5 x DA
CPR performance class:	Eca