APPLICATION

For transmission of analogue and digital signals in instrument and control systems; allowed for use in zone 1 and zone 2, group II, classified areas (IEC 79-14), not allowed for direct connection to low impedance sources, e.g. public mains electricity supply. Recommended for indoor and outerdoor installation, on racks, trays, in conduits, in dry and wet locations; not for direct buiral. Recommended for use as fire protection messure for people and important material assets.

STANDARDS

Basic design to EN 50288-7

CONSTRUCTION

Conductor: Plain Annealed Copper, Class 2 Stranded Circular

Insulation: Polyvinyl Chloride (PVC) Compound Type TI51

Insulation Colour:

Pair/s – Black/White with Black numberings

Triad/s – Red/Black/White with Black numberings

Cores Twisted: Cores twisted to form a pair, triad or quad

Lay Up: Multi-pairs, triads or quads are assembled together in concentric layers to form the cable core

Wrap Film: Polyester Binder Tape

Overall Screen: Aluminium/Polyester Tape, with a Tinned Copper Drain Wire 0.5mm2 (7/0.3mm) (OS)

Outer Sheath: Flame Retardancy Polyvinyl Chloride (PVC) Compound Type ST2 FR

Outer Sheath Colour: Black or Blue

ELECTRICAL CHARACTERISTICS

Operating voltage, U0/U: 300/500V

Operating temperature: -15°C to +70°C

Final short circuit temperature: 160°C

Test Voltage: 2kV for 1 minutes

REFERENCE STANDARDS

Design Specification: BS EN50288-7

Conductor: IEC60228, BS EN60228

Flame Retardancy: IEC60332-3

INSTALLATION REFERENCE

Minimum bending radius (mm): 8 x cable overall diameter

Maximum pulling tension: 50N/mm²