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RAMCRO R1721-BMS-HFFR-BC-Screeed Cable

RAMCRO R1721-BMS-HFFR-BC-Screeed Cable

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  • Formation: 2 Cores
  • Conductor Size: 18 AWG
  • Conductor Material: Plain annealed copper wire, 7-strand
  • Insulation: Polyolefin
  • Colour Code: Black, Red

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Brand: Ramcro
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RAMCRO R1721-BMS-HFFR-BC-Screeed Cable

RAMCRO BMS-HFFR-BC Screened Cable is a high-performance flame-retardant multicore cable designed for Building Management Systems (BMS) and other critical low-voltage applications. Featuring polypropylene (PO) insulation, collective screening, and a Low Smoke Zero Halogen (LSZH/FRNC) sheath, it provides superior signal integrity, fire safety, and reliable performance. Ideal for BMS, security systems, sound and audio, safety systems, control, and instrumentation installations in commercial and industrial environments.

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Specification Details
Product Name RAMCRO R1721 Audio Control & Instrumentation Cable
Cable Type BMS-HFFR-BC Screened Cable
Formation 2 Cores
Conductor Cross Section 18 AWG
Conductor Material Plain Annealed Copper Wire, 7 Strand
Conductor Diameter 1.1 mm
Insulation Material Polyolefin
Insulation Diameter 1.5 mm
Core Colour Code Black, Red
Individual Screen N.A.
Wrapping Minimum 1 Layer of 0.023 mm Plastic Tape
Collective Screen 0.026 mm Aluminium/PETP Tape with Tinned Copper Drain Wire
Inner Sheath N.A.
Armour N.A.
Outer Sheath Thermoplastic Low Smoke Halogen Free (LSZH/FRNC), Purple RAL 4005
Overall Cable Diameter 4 mm
Operating Voltage 300 V
DC Resistance @ 20°C Max. 22.9 Ω/km
Insulation Resistance @ 20°C Min. 25 MΩ·km
Nominal Mutual Capacitance Max. 150 pF/m
Inductance Max. 1 mH/km
Core/Core Test Voltage 2000 V
Core/Screen Test Voltage 2000 V
Operating Temperature -30°C to +80°C
Installation Temperature -30°C to +80°C
Minimum Bending Radius 8 × Cable Diameter
Maximum Pulling Tension 78 N/mm²
Approximate Weight 29 kg/km
Standard Cable Length 305 m
Fire Propagation (Single Cable) IEC 60332-1
Fire Propagation (Bunched Cables) IEC 60332-3
Smoke Density IEC 61034
Halogen Acid Gas Emission Zero
Acidity (pH) & Conductivity IEC 60754-2
Sunlight Resistance UL 1581 Section 1200
Low Voltage Directive 2014/35/UE
Cable Printing RAMCRO ITALY R1721 AUDIO CONTROL & INSTRUMENTATION CABLE 2C 18AWG SCREENED LSZH (FRNC) 300V 75°C IEC 60332-1 / UL 1581 – SAS0205HXEDH-RB – PROD.WEEK/18 + BATCH + METER MARKING

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