22
3 Product Description
NOTICE
Use device manufacturer recommended silicone shielded cable. The device manufacturer will
only guarantee proper functioning if this cable is used. This cable is available in any length up
to the maximum cable length.
Design B and C: Connection of external flame scanner to the ionisation electrode
Recommended cable specifications
Cable type
RG62 coaxial cable
Cable lengths
< 10 m / 32,8 ft
Inner conductor
solid copper-plated steel wire, uninsulated Ø: 0.64 ±
0.025 mm / 0.025 ± 0,00098 in
Wire insulation
PE hollow space insulation (helix made from PE strands with
PE hose on top) Ø: 3.7 mm / 0.14 in
Shield
braided from bare Cu wires, 96 % coverage
(nominal value)
Outer shell
PVC, black outside diameter: 6.15 ± 0.18 mm /
0.24 ± 0.0070 in)
Conductor resistance
max. 144 Ohm/km
Operating capacity
max. 43 pF/m (1 kHz)
Rated voltage
0.8 kV (50 Hz)
Test voltage
2 kV
Temperature range
-40 ... 80 °C / -40 ... 176 °F (fixed installation)
Design B and C: Power supply voltage connection to the external ignition transformer
Recommended cable specifications
Cable lengths
max. 200 m / 656.168 ft
Cable cross-section
3 x 1.0 mm
2
/ 3 x 17 AWG
Isolation
PVC
Temperature range
-40 ... +90 °C /-40 ... 194 °F
Design B and C: Connection of external ignition transformer to the ignition electrode
Electrical data
Ignition voltage to earth
max. 8 kV (at rated voltage = 230 V)
max. 7 kV (at rated voltage = 120 V)
For Ex Zone 2 applies: max. 5 kV for both voltage ranges
Recommended cable specifications
Cable lengths
max. 20 m / 65.62 ft
Cable cross-section
1 x 1.0 mm
2
/1 x 17 AWG
Isolation
Silicone, red-brown
Temperature range
-60 ... +180 °C / -76 ... +356 °F
Design B and C: Ground cable
Recommended cable specifications
Cable lengths
max. 200 m / 656.168 ft
Cable cross-section
1 x 1.5 mm
2
/ 1 x 15 AWG and/or according to regional
regulation
Summary of Contents for GFI35
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