Retard flame spread from bunched cables
Tinning is the process of thinly coating metal products (primarily of steel and iron) with molten tin. It is used to prevent rust, and prepare metal for soldering.
Carapace armor of braided steel brass plated wire
- — Mounting cable
- — Compound insulation
- — Armor of steel galvanized tapes
- — Extruded PVC protective hose
- — Retard flame spread from bunched cables
- — Reaction to fire class A
- — Halogen-free
|Conductors cross-section||0,35; 0,5; 0,75; 1,0; 1,2; 1,5; 2,5|
|Conductors number||for multi-stranded core 2-61; for pairs/triples 1-37|
|Conductors marking||colour code; digital code|
|Conductors stranding||into a multi-stranded core; in pairs; in triples|
|Lay length of twisted pairs/triples||14D, where D is the twisted pair/triple diameter|
|Bend radius||10D, where D is the cable diameter|
|Working voltage||AC - 660 V, frequency - up to 400 Hz; DC - up to 1400 V|
|On-site testing on cables by alternating voltage of frequency 50 Hz||
2000 V - between conductors of an unshielded cable; 1500 V - between screen and conductors of a shielded cable; 500 V - between adjacent shields of a shielded cable
|Conductors electrical resistance||according to Russian state standards GOST R 22483-2012|
|Maximum cable inductance at t° = +20° C||no more than 0.9 mH per 1 km of length at a frequency of 1.0 kHz|
|Ohmic asymmetry||no more than 3%|
|Maximum ambient temperature||+ 70°С|
|Minimum ambient temperature||- 50°С|
|Installation without preheating is permitted at temperatures not lower than:||- 15ºС (± 2ºС)|
|Atmospheric humidity 98% at ambient temperature up to +35°C||withstands|
|Resistance to longitudinal water propagation||none|
|Resistance to molds||resistant|
|Shelf life||25 years|
|Operational life||5 years|
|Compliance with the safety requirements for electrical products according to GOST R 12.2.007.0-75||ensured|
|Compliance with the safety requirements for cables and cable accessories according to GOST R 12.2.007.14-75||ensured|
|Compliance with The Fieldbus Intrinsically Safe Concept (FISCO) according to GOST R IEC 60079-27-2012||compliant (additional marking “i”)|
- Multi-strand tinned/bare copper conductor, flexibility class 4/5
- Halogen-free PVC compound insulation with low gas and fume emission
- PVC extruded cushion filling the interstices between the insulated conductors to make a round shaped cable
- Carapace armor of braided steel brass plated wire
- Sheath of halogen-free, low gas and fume emission PVC compound retarding flame spread from bunched cables
Coding of conductors in a stranding
- The colour code must cover the entire surface of the insulation or be applied in a form of lengthwise strip not less than 1mm wide. Each conductor has its own color. Coding using a counting pair in each layer is allowed. The counting pair conductors must be of different colors and must differ from the colors of other conductors. Each separate layer must have one conductor of red colour and one of blue. These two are placed side by side and called a counting pair. Other conductors must be white. The blue conductor is used to find the required one by counting from it. The red conductor is used to determine the direction of counting.
- The digital code is applied by printing. The colour of the digits must contrast with the main colour of the conductors insulation. The bottom of the digit must be underlined. The counting starts from 1, each conductor has a unique number.
Coding of conductors in a pair-stranding
- The colour code must cover the entire surface or be applied in a form of lengthwise strip not less than 1mm wide. Each pair has 2 conductors: white coloured and unique coloured.
- Multi-conductor mounting cables with PVC insulation and sheath are used to provide fixed connection of electric devices operating at alternating voltage up to 500 V with frequency up to 400 Hz or direct voltage up to 750 V.
Cross-sections and macro dimensions
GOST R 10348-80
"Plastics insulated multi-core installation cables. Specifications"
GOST R 31996-2012
"Power cables with plastic insulation for rated voltages of 0,66; 1 and 3 kV. General specifications"
GOST R 22483-2012
"Conductors for cables, wires and cords"
GOST R 7006-72
"Cables. Protecting coverings. Specification"
GOST R 31565-2012
Cable products. Requirements of fire safety
GOST R 15150-69
"Machines, instruments and other industrial products. Modifications for different climatic regions. Categories, operating, storage and transportation conditions as to environment climatic aspects"
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