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BT BMS-Tec® – Audio Control & Instrumentation Cables

1 pair x 12-14-16-18-20 or 22 AWG
Overall Screen, HFFR Sheath
BT Cables Part No: C1303-C1305-C1270-C1272-C1308-C1310

Applications
Screened one pair cable
suitable for Audio,Control,
Instrumentation and Building
Management Systems (BMS)

Sector
BT BMS-TEC™
Audio, Control & Instrumentation

Standard References
(BS) EN 50290-2
IEC 60332-3C
RoHS directives

Design
1. Conductor
Tinned Copper wires
One twisted pair

2. Insulation
Polyolefin
Core 1: Black
Core 2: Clear

3. Drain Wire
24 AWG (7 x 32) Tinned Copper

4. Screen
Aluminium/Polyester
100% Coverage

5. Sheath Material
Halogen-Free
Flame-Retardant
(HFFR)
Standard colour: Purple

Standard Put Up Length
305 metres

Physical Characteristics

BTCL Part Number Unit C1303 C1305 C1270 C1272 C1308 C1310
Number of pairs 1 1 1 1 1 1
Conductor size AWG 12 14 16 18 20 22
Conductor stranding mm 19x0.48 19x0.38 19x0.29 7x0.40 7x0.325 7x0.25
Nom. Radial Thickness Insulation mm 0.8 0.8 0.8 0.5 0.4 0.4
Nom. Radial Thickness Sheath mm 0.9 0.9 0.8 0.8 0.8 0.6
Nom. Overall Diameter mm 9.8 8.8 7.8 6.0 5.3 4.5

Electrical Characteristics

BTCL Part Number Unit C1303 C1305 C1270 C1272 C1308 C1310
No of pairs x conductor AWG size 1PR x 12 1PR x 14 1PR x 16 1PR x 18 1PR x 20 1PR x 22
Max. DC Resistance Conductor Ω/km 5.61 9.36 15.47 22.7 35.75 57.4
Max. DC Resistance Screen Ω/km 78.5 78.5 78.5 78.5 78.5 78.5
Capacitance conductor to conductor pF/m 110 110 110 120 120 140
Capacitance cond. to other cond.+scrn pF/m 260 254 244 225 210 200
Nominal Inductance μH/m 0.6 0.6 0.6 0.6 0.6 0.6 0.6
Max. Recommended Current at 25°C Amps 13 9.5 7.1 5.2 3.9 2.9
Max. Operating Voltage Vrms 600 600 300 300 300 300

Miscellaneous

BTCL Part Number Unit C1313 C1224 C1213 C1193 C1195 C1199
No of pairs x conductor AWG size 1PR x 12 1PR x 14 1PR x 16 1PR x 18 1PR x 20 1PR x 22
Operating Temperature °C -25 / +75
Max. Recommended Pulling Tension N 665 420 270 200 110 80
Min. Bend Radius (install) mm 99 88 78 60 53 45
Nominal Cable Weight kg/km 132.6 97.9 74.3 48.4 37.2 27.1
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