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Cable for Foundation Fieldbus  
 

Our cable meets the requirements of ISA/SP50 and FOUNDATION™ fieldbus requirements for Type A cable. Cables are available in 3-wire versions with a device ground or 2-wire versions.
Cable
 No of Devices Maximum Spur Length
Trunk
25-32
19-24
15-18
13-14
2-12
0 m (0 ft)
30 m (98 ft)
60 m (197 ft)
90 m (295 ft)
120 m (394 ft)
1900 m

                      

 

Note: Where "*" appears insert the length required in metres
Type
 
Approval
 
AWG
Color Code
DCR (/1000 ft)
Insulation
Device Ground
AWG Color Code
Material Color
Nominal O.D.
Type Drain
Wire
Network
Standard
Figure
490

105°C 300V
NEC ITC PLTC
CEC [CMG]
2/18 AWG
Blue/Brown
6.5 Ohms
PE
18 AWG
Green/Yellow
PVC Yellow
7.9mm (.310 in)
Foil
20 AWG
RB50693-*M
A
490B

105°C 300V
NEC ITC PLTC
CEC [CMG]
2/18 AWG
Blue/Brown
6.5 Ohms
PE
18 AWG
Green/Yellow
PVC Blue
7.9mm (.310 in)
Foil
20 AWG
RB50783-*M
A
492A

105°C 300V

 
NEC ITC PLTC/CM
CEC [CMG HLBCD]
2/18 AWG
Blue/Brown
6.5 Ohms
PE
18 AWG
Green/Yellow
Armor/PVC Yellow
12.7mm (0.5 in)
Foil
18 AWG
RB50874-*M
B
492BA

105°C 300V

 
NEC ITC PLTC/CM
CEC [CMG HLBCD]
2/18 AWG
Blue/Brown
6.5 Ohms
PE
18 AWG
Green/Yellow
Armor/PVC Blue
12.7mm (0.5 in)
Foil
18 AWG
RB50803-*M
B
493

105°C 300V

 
NEC ITC PLTC
CEC [CMG]
2/18 AWG
Blue/Brown
6.5 Ohms
PE
None
PVC Yellow
7.9mm (.310 in)
Foil/Braid
20 AWG
RB50784-*M
A
493B

105°C 300V

 
NEC ITC PLTC
CEC [CMG]
2/18 AWG
Blue/Brown
6.5 Ohms
PE
None
PVC Blue
7.9mm (.310 in)
Foil/Braid
20 AWG
RB50786-*M
A
493O

105°C 300V
NEC ITC PLTC
CEC [CMG]
2/18 AWG
Blue/Brown
6.5 Ohms
PE
None
PVC Orange
7.9mm (.310 in)
Foil/TC Braid
20 AWG
RB50785-*M
A
496

105°C 300V

 
NEC ITC PLTC
CEC [CMG]
2/16 AWG
Blue/Brown
4.3 Ohms
PE
None
PVC Yellow
8.5mm (.335 in)
Foil
20 AWG
RB50891-*M
A