Autronica Autroprime, Installation Handbook

Page: 19 / 86

Cable Specifications
Installation Handbook, Autroprime Interactive Fire Detection System, 116-P-APRIME2-INSTAL/DGB, Rev. C, 2016-29-02,
Autronica Fire and Security AS
Page 19
8.2.2 Table for High Current Detectors and I/O units
Detection
Loop
current
setting
(mA)
Max cable
resistance
(ohm)
Cable
length
(m) for
AWG 20
(0,5mm²) Cable
length (m)
for
AWG 18
(0,75mm²) Cable
length
(m) for
AWG 17
(1,0mm²) Cable
length
(m) for
AWG 15
(1,5mm²) Cable
length
(m) for
AWG 13
(2,5mm²)
100 112 1600 2400 3200 4800 8000
150 78 1114 1671 2229 3343 5571
200 55 786 1179 1571 2357 3929
250 40 571 857 1143 1714 2857
300 30 429 643 857 1286 2143
350 23 329 493 657 986 1643
400 18 257 386 514 771 1286
8.2.3 Onboard I/O and Power
Maximum
resistance /
capacitance
Wire
Dimensions
(examples)
Maximum
cable
length
Remarks
(

/ μ F)
(mm
2
) (AWG) (m)
Inputs,
Monitored
10m
Inputs,
Non-monitored
50m
Output,
Monitored
(Alarm
Sounder
Circuits)
-
-
2 x 1,5
2 x 0,78
15
18
-
-
Determined by cable loss
(0,5A maximum load)
Output, Relay
-
Output, O.C
100m
Battery
-
-
-
2 x 2,5
2 x 1,5
13 5 m
3m
Maximum battery cable length is
5m
Maximum cable resistance is
0.05 ohm
Mains
- 3 x 1,5 15 - -