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RS 485 Industrial BUS SHF1

RS 485 Industrial BUS SHF1

Variant:

120 Ω BUS cable designed for industrial field bus systems of automation and communication, designed for ship
and offshore use, designed for fixed applications, such as process control and automation.
22AWG/7 TC conductor, Foamed PE insulation, Filler, AL/Mylar and tinned copper braiding overall screen,
SHF1 jacket.

Construction

Conductor 
0.35 [mm²]
Stranded
tinned Cu
AWG 22/7
(7 x 0.254 mm)
Insulation 
Foam PE
Ø = 1.75 [mm]
Filler 
1 pair, yes: PP
2 pairs, none
Colour code 
1 Pair: White and blue
2 Pairs: White, yellow, blue and orange
Screen 
Al/Mylar
Screen 2 
Tinned Cu braid
≥85 [% optical coverage]
Jacket 
Green, other if reqeusted
SHF1
Jacket marking 
1Pair: NEK Kabel – RS485 – Marine – Cable –1x2xAWG22/7 – SHF1  
– DNV – IEC60332-3-22 – ****m – DD/MM/YY

2 Pairs: NEK Kabel – RS485 – Marine – Cable – 4xAWG22/7 – SHF1 
– DNV – IEC60332-3-22 – ****m – DD/MM/YY

Specifications

Operating temperature normal 
-40 - +80 [°C]
Temperature @ installation 
-20 - +60 [°C]
Dielectric strength 
DC 2kV for 1min.
Characteristic impedance 
120±15 [Ω @ 1MHz]
Conductor resistance 
≤55 [Ω/km]
Resistance unbalance 
≤5 [%]
Insulation resistance 
≥1 [GΩ x km]
Attenuation 
≤20,0 [dB/km @ 1MHz]
Min. bending radius installed 
8 [x outer diam]
Min. bending radius @ installation 
15
[x outer diam]

Norms

Halogenfree, max content corrosive and toxic gases 
IEC 60754-1 & IEC 60754-2
Material properties, insulation and sheath 
IEC 60092-360
Design and testing standards 
IEC 61158-2
Flame resistance 
IEC 60332-3-22 Cat.A
Flame retardant 
IEC 60332-1-2
Smoke emission 
IEC 61034-2
Oil and fuel resistant 
IEC 60811-2-1
IRM 902
23ºC / 7 days, 70°C / 4h
UV-resistant 
UL 1581 (300H)
Certification 
DNV
Pairs Outer diam. [mm] Weight [kg/km] Art. no.
1-pair Grey 6.50 ± 0.40 54 2040007
2-pairs Black 8.30 ± 0.40 80 2040000
2-pairs Green 8.30 ± 0.40 80 2040004
4-pairs Grey 9.30 ± 0.50 107 2040008
4-Cores Green 6.50 ± 0.40 64 2040009

Updated

Date Rev. Description
5.4.2019 1 DNV Approved
15.4.2019 2 Additional information
25.09.2023 3 Added 1-pair